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Apocrita is a suborder of
insect Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three ...
s in the order Hymenoptera. It includes
wasp A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. ...
s, bees, and
ant Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of ...
s, and consists of many families. It contains the most advanced hymenopterans and is distinguished from Symphyta by the narrow "waist" ( petiole) formed between the first two segments of the actual
abdomen The abdomen (colloquially called the belly, tummy, midriff, tucky or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the to ...
; the first abdominal segment is fused to the thorax, and is called the
propodeum The propodeum or propodium is the first abdominal segment in Apocrita Hymenoptera (wasps, bees and ants). It is fused with the thorax to form the mesosoma. It is a single large sclerite A sclerite (Greek , ', meaning " hard") is a hardened bod ...
. Therefore, it is general practice, when discussing the body of an apocritan in a technical sense, to refer to the
mesosoma The mesosoma is the middle part of the body, or tagma, of arthropods whose body is composed of three parts, the other two being the prosoma and the metasoma. It bears the legs, and, in the case of winged insects, the wings. In hymenopterans of ...
and
metasoma The metasoma is the posterior part of the body, or tagma, of arthropods whose body is composed of three parts, the other two being the prosoma and the mesosoma. In insects, it contains most of the digestive tract, respiratory system, and circul ...
(or gaster) rather than the "thorax" and "abdomen", respectively. The evolution of a constricted waist was an important adaption for the parasitoid lifestyle of the ancestral apocritan, allowing more maneuverability of the female's ovipositor. The ovipositor either extends freely or is retracted, and may be developed into a stinger for both defense and paralyzing prey. Larvae are legless and blind, and either feed inside a host (plant or animal) or in a nest cell provisioned by their mothers. Apocrita has historically been split into two groups,
Parasitica Parasitica (the parasitican wasps) is an obsolete, paraphyletic infraorder of Apocrita containing the parasitoid wasps. It includes all Apocrita except for the Aculeata. Parasitica has more members as a group than both the Symphyta and the Acule ...
and
Aculeata Aculeata is a subclade of Hymenoptera containing ants, bees, and stinging wasps. The name is a reference to the defining feature of the group, which is the modification of the ovipositor into a stinger. However, many members of the group canno ...
. Aculeata is a clade whose name is in standard use. "Parasitica" is not a clade, as it is paraphyletic: the clade would contain the Aculeata. "Parasitica" is therefore a rankless grouping in many present classifications, if it appears at all. Parasitica comprises the majority of hymenopteran insects, its members living as
parasitoids In evolutionary ecology, a parasitoid is an organism that lives in close association with its host at the host's expense, eventually resulting in the death of the host. Parasitoidism is one of six major evolutionary strategies within parasi ...
. Most species are small, with the ovipositor adapted for piercing. In some hosts, the parasitoids induce metamorphosis prematurely, and in others it is prolonged. There are even species that are
hyperparasite A hyperparasite, also known as a metaparasite, is a parasite whose host, often an insect, is also a parasite, often specifically a parasitoid. Hyperparasites are found mainly among the wasp-waisted Apocrita within the Hymenoptera, and in two oth ...
s, or parasitoids on other parasitoids. The Parasitica lay their
egg An egg is an organic vessel grown by an animal to carry a possibly fertilized egg cell (a zygote) and to incubate from it an embryo within the egg until the embryo has become an animal fetus that can survive on its own, at which point the a ...
s inside or on another insect (egg, larva or pupa) and their larvae grow and develop within or on that host. The host is nearly always killed. Many parasitic hymenopterans are used as
biological control Biological control or biocontrol is a method of controlling pests, such as insects, mites, weeds, and plant diseases, using other organisms. It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also i ...
agents to control pests, such as caterpillars, true bugs and hoppers,
flies Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced m ...
, and
weevil Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than in length, and herbivorous. Approximately 97,000 species of weevils are known. They belong to several families, ...
s. Aculeata is a monophyletic group that includes those species in which the female's ovipositor is modified into a
stinger A stinger (or sting) is a sharp organ found in various animals (typically insects and other arthropods) capable of injecting venom, usually by piercing the epidermis of another animal. An insect sting is complicated by its introduction of ve ...
to inject
venom Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a st ...
. Groups within Aculeata include the familiar ants, bees, and various types of parasitic and predatory wasps; it also includes all of the
social Social organisms, including human(s), live collectively in interacting populations. This interaction is considered social whether they are aware of it or not, and whether the exchange is voluntary or not. Etymology The word "social" derives from ...
hymenopterans. Among the nonparasitic and nonsocial Aculeata, larvae are fed with captured prey (typically alive and paralyzed) or may be fed pollen and nectar. The
social Social organisms, including human(s), live collectively in interacting populations. This interaction is considered social whether they are aware of it or not, and whether the exchange is voluntary or not. Etymology The word "social" derives from ...
Aculeata feed their young prey (
paper wasp Paper wasps are vespid wasps that gather fibers from dead wood and plant stems, which they mix with saliva, and use to construct nests made of gray or brown papery material. Some types of paper wasps are also sometimes called umbrella wasps, d ...
s and
hornet Hornets (insects in the genus ''Vespa'') are the largest of the eusocial wasps, and are similar in appearance to their close relatives yellowjackets. Some species can reach up to in length. They are distinguished from other vespine wasps by th ...
s), or pollen and nectar (bees), or perhaps seeds,
fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...
, or nonviable eggs (ants).


Extant families and superfamilies

The Apocrita contains a large number of families. Some traditional taxa such as the
Parasitica Parasitica (the parasitican wasps) is an obsolete, paraphyletic infraorder of Apocrita containing the parasitoid wasps. It includes all Apocrita except for the Aculeata. Parasitica has more members as a group than both the Symphyta and the Acule ...
(containing many families of
parasitoid wasp Parasitoid wasps are a large group of hymenopteran superfamilies, with all but the wood wasps (Orussoidea) being in the wasp-waisted Apocrita. As parasitoids, they lay their eggs on or in the bodies of other arthropods, sooner or later causin ...
s) have been found on molecular analysis to be paraphyletic. Parasitoidism evolved once, and it is found today across most Apocritan families, though it has been secondarily lost several times. The phylogenetic tree gives a condensed overview of the phylogeny, illustrated with major groups. The sawflies are paraphyletic as the Apocrita evolved inside that group. The tree is not fully resolved. *Suborder Apocrita **Infraorder
Aculeata Aculeata is a subclade of Hymenoptera containing ants, bees, and stinging wasps. The name is a reference to the defining feature of the group, which is the modification of the ovipositor into a stinger. However, many members of the group canno ...
***Superfamily
Apoidea The superfamily Apoidea is a major group within the Hymenoptera, which includes two traditionally recognized lineages, the " sphecoid" wasps, and the bees. Molecular phylogeny demonstrates that the bees arose from within the traditional " Crabroni ...
( bees and sphecoid wasps) ****Family Ampulicidae ( cockroach wasps) ****Family
Andrenidae The Andrenidae (commonly known as mining bees) are a large, nearly cosmopolitan family of solitary, ground-nesting bees. Most of the family's diversity is located in temperate or arid areas (warm temperate xeric). It includes some enormous gener ...
(mining bees) ****Family
Apidae Apidae is the largest family within the superfamily Apoidea, containing at least 5700 species of bees. The family includes some of the most commonly seen bees, including bumblebees and honey bees, but also includes stingless bees (also used for ...
(
carpenter bee Carpenter bees are species in the genus ''Xylocopa'' of the subfamily Xylocopinae. The genus includes some 500 bees in 31 subgenera. The common name "carpenter bee" derives from their nesting behavior; nearly all species burrow into hard plant m ...
s,
digger bee The Anthophorini are a large tribe in the subfamily Apinae of the family Apidae. Species in this tribe are often referred to as digger bees, although this common name is sometimes also applied to members of the tribe Centridini. It contains over ...
s,
cuckoo bee The term cuckoo bee is used for a variety of different bee lineages which have evolved the kleptoparasitic behaviour of laying their eggs in the nests of other bees, reminiscent of the behavior of cuckoo birds. The name is perhaps best applied to ...
s,
bumble bee A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus ''Bombus'', part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera ...
s,
orchid bee The tribe Euglossini, in the subfamily Apinae, commonly known as orchid bees or euglossine bees, are the only group of corbiculate bees whose non-parasitic members do not all possess eusocial behavior. Description Most of the tribe's species ...
s,
stingless bee Stingless bees, sometimes called stingless honey bees or simply meliponines, are a large group of bees (about 550 described species), comprising the tribe Meliponini (or subtribe Meliponina according to other authors). They belong in the family A ...
s, and
honeybee A honey bee (also spelled honeybee) is a eusocial flying insect within the genus ''Apis'' of the bee clade, all native to Afro-Eurasia. After bees spread naturally throughout Africa and Eurasia, humans became responsible for the current cosm ...
s) ****Family
Colletidae The Colletidae are a family of bees, and are often referred to collectively as plasterer bees or polyester bees, due to the method of smoothing the walls of their nest cells with secretions applied with their mouthparts; these secretions dry into ...
( yellow-faced bees and
plasterer bee A plasterer is a tradesman or tradesperson who works with plaster, such as forming a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. The process of creating plasterwork, called plastering, has been ...
s) ****Family
Crabronidae The Crabronidae are a large paraphyletic group (nominally a family) of wasps, including nearly all of the species formerly comprising the now-defunct superfamily Sphecoidea. It collectively includes well over 200 genera, containing well over 9 ...
(sand wasps, bee wolves, etc.) ****Family
Halictidae Halictidae is the second-largest family of bees (clade Anthophila) with nearly 4,500 species. Halictid species are an extremely diverse group that can vary greatly in appearance. These bees occur all over the world and are found on every continen ...
("sweat bees") ****Family Heterogynaidae ****Family
Megachilidae Megachilidae is a cosmopolitan family of mostly solitary bees. Both that their pollen-carrying structure (called a '' scopa'') is restricted to the ventral surface of the abdomen (rather than mostly or exclusively on the hind legs as in other ...
( leaf-cutting bees) ****Family
Melittidae Melittidae is a small bee family, with over 200 described species in three subfamilies. The family has a limited distribution, with all described species restricted to Africa and the northern temperate zone. Fossil melittids have been found oc ...
****Family
Stenotritidae The Stenotritidae is the smallest of all formally recognised bee families, with only 21 species in two genera, all of them restricted to Australia. Historically, they were generally considered to belong in the family Colletidae, but the stenotrit ...
****Family Sphecidae ( digger wasps) ***Superfamily
Chrysidoidea The superfamily Chrysidoidea is a very large cosmopolitan group (some 6,000 described species, and many more undescribed) , all of which are parasitoids or cleptoparasites of other insects. There are three large, common families (Bethylidae, Chr ...
****Family
Bethylidae The Bethylidae are a family of aculeate wasps in the superfamily Chrysidoidea. As a family, their biology ranges between parasitoid wasps and hunting wasps. Overview Like most of the Chrysidoidea, the Bethylidae are stinging Hymenoptera and m ...
****Family
Chrysididae Commonly known as cuckoo wasps or emerald wasps, the hymenopteran family Chrysididae is a very large cosmopolitan group (over 3000 described species) of parasitoid or kleptoparasitic wasps, often highly sculptured, with brilliant metallic colors ...
(
cuckoo wasp Commonly known as cuckoo wasps or emerald wasps, the hymenopteran family Chrysididae is a very large cosmopolitan group (over 3000 described species) of parasitoid or kleptoparasitic wasps, often highly sculptured, with brilliant metallic colors ...
s) ****Family
Dryinidae Dryinidae is a cosmopolitan family of solitary wasps. Its name comes from the Greek ''drys'' for oak: Latreille named the type genus ''Dryinus'' because the first species was collected in an oak plant in Spain. The larvae are parasitoids of the ...
****Family
Embolemidae Embolemidae is a family of small solitary parasitoid wasps with around 70 species in 2 genera distributed around the world.van Achterberg, Cornelis & Kats, R.. (2000). Revision of the Palaearctic Embolemidae (Hymenoptera). Zoöl. Med. 74 (2000), ...
****Family Plumariidae ****Family Sclerogibbidae ****Family Scolebythidae ***Superfamily
Formicoidea Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22,00 ...
****Family Formicidae (
ant Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of ...
s) ***Superfamily
Pompiloidea Pompiloidea is a superfamily that includes spider wasps and velvet ants, among others. in the order Hymenoptera. There are 4 families in Pompiloidea. Families These four families belong to the superfamily Pompiloidea: * Mutillidae (velvet ant ...
****Family
Mutillidae The Mutillidae are a family of more than 7,000 species of wasps whose wingless females resemble large, hairy ants. Their common name velvet ant refers to their dense pile of hair, which most often is bright scarlet or orange, but may also be ...
( velvet ants) ****Family
Myrmosidae The Myrmosidae are a small family of wasps very similar to the Mutillidae. As in mutillids, females are flightless, and are kleptoparasites in the nests of fossorial bees and wasps. Taxonomy Recent classifications of Vespoidea ''sensu lato'' (be ...
****Family
Pompilidae Wasps in the family Pompilidae are commonly called spider wasps, spider-hunting wasps, or pompilid wasps. The family is cosmopolitan, with some 5,000 species in six subfamilies. Nearly all species are solitary (with the exception of some group-ne ...
(
spider wasp Wasps in the family Pompilidae are commonly called spider wasps, spider-hunting wasps, or pompilid wasps. The family is cosmopolitan, with some 5,000 species in six subfamilies. Nearly all species are solitary (with the exception of some group-ne ...
s) ****Family
Sapygidae The Sapygidae are a family of solitary kleptoparasitic aculeate wasps. They are generally black wasps, similar in appearance to some Tiphiidae or Thynnidae, with white or yellow markings developed to various degrees. The female oviposits her egg ...
***Superfamily
Scolioidea The Scoliidae, the scoliid wasps, are a family of about 560 species found worldwide. They tend to be black, often marked with yellow or orange, and their wing tips are distinctively corrugated. Males are more slender and elongated than females, wi ...
****Family
Scoliidae The Scoliidae, the scoliid wasps, are a family of about 560 species found worldwide. They tend to be black, often marked with yellow or orange, and their wing tips are distinctively corrugated. Males are more slender and elongated than females, wi ...
***Superfamily
Tiphioidea Tiphioidea is a suggested superfamily of stinging wasps in the order Hymenoptera. There are three families in Tiphioidea, Bradynobaenidae, Tiphiidae, and Sierolomorphidae. Recent research in molecular phylogenetics has resulted in the reorgani ...
****Family
Bradynobaenidae The Bradynobaenidae are a family of wasps similar to the Mutillidae, differing most visibly in the presence, in females, of a suture separating the pronotum from the mesonotum. These species are often found in arid regions. Recent classifications ...
****Family
Sierolomorphidae The Sierolomorphidae are a family of 13 extant species of wasps, in the genera ''Sierolomorpha'' and ''Proscleroderma'', mostly found in the Northern Hemisphere. They are rare and very little is known of their biology. A fossil species ''Loreisom ...
****Family
Tiphiidae The Tiphiidae (also known as the tiphiid wasps) are a family of large, solitary wasps whose larvae are parasitoids of various beetle larvae, especially those in the superfamily Scarabaeoidea. Until recently, this family contained several addition ...
***Superfamily Thynoidea ****Family
Chyphotidae The Chyphotidae are a family of wasps similar to the Mutillidae, differing most visibly in the presence, in females, of a suture separating the pronotum from the mesonotum. These species are found primarily in arid regions in the southwestern Uni ...
****Family
Thynnidae The Thynnidae (also known as thynnid wasps or flower wasps) are a family of large, solitary wasps whose larvae are almost universally parasitoids of various beetle larvae, especially those in the superfamily Scarabaeoidea. Until recently, the co ...
***Superfamily
Vespoidea Vespoidea is a superfamily of wasps in the order Hymenoptera, although older taxonomic schemes may vary in this categorization, particularly in whether to recognize the superfamilies Scolioidea (for scoliid wasps) or Formicoidea (for ants). V ...
****Family
Rhopalosomatidae Rhopalosomatidae is a family of Hymenoptera containing about 68 extant species in four genera that are found worldwide. Three fossil genera are known. The adults resemble ants and may be confused with them. They are yellowish with red or brown m ...
****Family
Vespidae The Vespidae are a large (nearly 5000 species), diverse, cosmopolitan family of wasps, including nearly all the known eusocial wasps (such as ''Polistes fuscatus'', ''Vespa orientalis'', and ''Vespula germanica'') and many solitary wasps. Each ...
(
paper wasp Paper wasps are vespid wasps that gather fibers from dead wood and plant stems, which they mix with saliva, and use to construct nests made of gray or brown papery material. Some types of paper wasps are also sometimes called umbrella wasps, d ...
s,
potter wasp Potter wasps (or mason wasps), the Eumeninae, are a cosmopolitan wasp group presently treated as a subfamily of Vespidae, but sometimes recognized in the past as a separate family, Eumenidae. Recognition Most eumenine species are black or brown, ...
s,
hornet Hornets (insects in the genus ''Vespa'') are the largest of the eusocial wasps, and are similar in appearance to their close relatives yellowjackets. Some species can reach up to in length. They are distinguished from other vespine wasps by th ...
s, pollen wasps,
yellowjacket Yellowjacket or yellowjacket is the common name in North America for predatory social wasps of the genus, genera ''Vespula'' and ''Dolichovespula''. Members of these genera are known simply as "wasps" in other English-speaking countries. Most of ...
s) **Infraorder
Parasitica Parasitica (the parasitican wasps) is an obsolete, paraphyletic infraorder of Apocrita containing the parasitoid wasps. It includes all Apocrita except for the Aculeata. Parasitica has more members as a group than both the Symphyta and the Acule ...
***Superfamily Ceraphronoidea ****Family
Ceraphronidae The Ceraphronidae are a small hymenopteran family with 14 genera and some 360 known species, though a great many species are still undescribed. It is a poorly known group as a whole, though most are believed to be parasitoids (especially of f ...
****Family
Megaspilidae The Megaspilidae are a small hymenopteran family with 13 genera in two subfamilies, and some 450 known species, with a great many species still undescribed. It is a poorly known group as a whole, though most are believed to be parasitoids (espe ...
***Superfamily Chalcidoidea ****Family
Agaonidae The family Agaonidae is a group of pollinating and nonpollinating fig wasps. They spend their larval stage inside the fruits of figs. The pollinating wasps (Agaoninae, Kradibiinae, and Tetrapusiinae) are the mutualistic partners of the fig tree ...
(
fig wasp Fig wasps are wasps of the superfamily Chalcidoidea which spend their larval stage inside figs. Most are pollinators but others simply feed off the plant. The non-pollinators belong to several groups within the superfamily Chalcidoidea, while the ...
s) ****Family Aphelinidae ****Family
Chalcididae The Chalcididae are a moderate-sized family within the Chalcidoidea, composed mostly of parasitoids and a few hyperparasitoids. The family is apparently polyphyletic, though the different subfamilies may each be monophyletic, and some may be elev ...
( chalcid wasps) ****Family
Encyrtidae Encyrtidae is a large family of parasitic wasps, with some 3710 described species in about 455 genera. The larvae of the majority are primary parasitoids on Hemiptera, though other hosts are attacked, and details of the life history can be variab ...
****Family
Eucharitidae The Eucharitidae are a family of parasitic wasps.Ayre, G.L. Pseudometagea schwarzii (Ashm.) (Eucharitidae: Hymenoptera), a parasite of Lasius neoniger Emery (Formicidae: Hymenoptera). Canadian Journal of Zoology 40 (1962) : 157-164. Eucharitid ...
****Family
Eulophidae The Eulophidae are a large family of hymenopteran insects, with over 4,300 described species in some 300 genera. The family includes the genus '' Elasmus'', which used to be treated as a separate family, "Elasmidae", and is now treated as a s ...
****Family
Eupelmidae Eupelmidae is a family of parasitic wasps in the superfamily Chalcidoidea. The group is apparently polyphyletic, though the different subfamilies may each be monophyletic, and may be elevated to family status in the near future. As presently defi ...
****Family Eurytomidae ( seed chalcids) ****Family Leucospidae ****Family
Mymaridae The Mymaridae, commonly known as fairyflies or fairy wasps, are a family of chalcidoid wasps found in temperate and tropical regions throughout the world. The family contains around 100 genera with 1400 species. Fairyflies are very tiny insects ...
( fairyflies) – the smallest of all insects ****Family
Ormyridae The Ormyridae are a small family of parasitic wasps in the superfamily Chalcidoidea. They are either parasitoids or hyperparasitoids on gall-forming insects, primarily cynipid wasps and tephritid flies. The 120 or so species in three genera (m ...
****Family
Perilampidae The Perilampidae are a small family within the Chalcidoidea, composed mostly of hyperparasitoids. The family is closely related to the Eucharitidae, and the eucharitids appear to have evolved from within the Perilampidae, thus rendering the fa ...
****Family
Pteromalidae The Pteromalidae are a very large family of mostly parasitoid wasps, with some 3,450 described species in about 640 genera (the number was greater, but many species and genera have been reduced by synonymy in recent years). The subfamily-level d ...
****Family Rotoitidae ****Family Signiphoridae ****Family Tanaostigmatidae ****Family Tetracampidae ****Family
Torymidae Torymidae is a family of wasps in the superfamily Chalcidoidea. Most species in this family are small with attractive metallic coloration, and females generally have long ovipositors. Many are parasitoids on gall-forming insects, and some are phy ...
****Family
Trichogrammatidae The Trichogrammatidae are a family of tiny wasps in the Chalcidoidea that include some of the smallest of all insects, with most species having adults less than 1 mm in length, with species of '' Megaphragma'' having an adult body length ...
***Superfamily
Cynipoidea The Cynipoidea are a moderate-sized hymenopteran superfamily that presently includes five modern families and three extinct families, though others have been recognized in the past. The most familiar members of the group are phytophagous, especia ...
****Family Austrocynipidae ****Family
Cynipidae Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this gener ...
(
gall wasp Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this gener ...
s) ****Family
Figitidae Figitidae is a family of parasitoid wasps. The full diversity of this wasp family is not yet known, but about 1400 species have been described to over 130 genera. For example, the largest subfamily, Eucoilinae (previously considered as a separ ...
****Family
Ibaliidae The Ibaliidae are a small family of hymenopteran superfamily Cynipoidea. Ibaliidae differ from most of the cynipoids by the larvae being parasitoids on other wasp larvae in the group Siricidae. The Ibaliidae comprise three extant genera of f ...
****Family
Liopteridae Liopteridae is a family of wood-boring parasitoid wasp Parasitoid wasps are a large group of hymenopteran superfamilies, with all but the wood wasps (Orussoidea) being in the wasp-waisted Apocrita. As parasitoids, they lay their eggs on o ...
***Superfamily Diaprioidea ****Family Austroniidae ****Family
Diapriidae The Diapriidae are a family of parasitoid wasps. These tiny insects have an average length of 2–4 mm and never exceed 8 mm. They typically attack larvae and pupae of a wide range of insects, especially flies. The about 2,300 described ...
****Family Maamingidae ****Family Monomachidae ***Superfamily Evanioidea ****Family Aulacidae ****Family
Evaniidae Evaniidae is a family of parasitoid wasps also known as ensign wasps, nightshade wasps, hatchet wasps, or cockroach egg parasitoid wasps. They number around 20 extant genera containing over 400 described species, and are found all over the world ...
( ensign wasps) ****Family Gasteruptiidae ***Superfamily
Ichneumonoidea The superfamily Ichneumonoidea contains one extinct and three extant families, including the two largest families within Hymenoptera: Ichneumonidae and Braconidae. The group is thought to contain as many as 100,000 species, many of which have no ...
****Family
Braconidae The Braconidae are a family of parasitoid wasps. After the closely related Ichneumonidae, braconids make up the second-largest family in the order Hymenoptera, with about 17,000 recognized species and many thousands more undescribed. One analysis ...
****Family
Ichneumonidae The Ichneumonidae, also known as the ichneumon wasps, Darwin wasps, or ichneumonids, are a family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse groups within the Hymenoptera with roughly 25,000 species cur ...
(
ichneumon wasp The Ichneumonidae, also known as the ichneumon wasps, Darwin wasps, or ichneumonids, are a family of parasitoid wasps of the insect order Hymenoptera. They are one of the most diverse groups within the Hymenoptera with roughly 25,000 species cu ...
s) ***Superfamily
Megalyroidea Megalyroidea is a small hymenopteran superfamily of wasps that includes a single family, Megalyridae, with eight extant genera (plus around a dozen extinct ones) and 49 described species. Modern megalyrids are found primarily in the southern hem ...
****Family Megalyridae ***Superfamily
Mymarommatoidea The Mymarommatoidea are a very small superfamily of microscopic fairyfly-like parasitic wasps. It contains only a single living family, Mymarommatidae, and three other extinct families known from Cretaceous aged amber. Less than half of all descr ...
– sometimes called Serphitoidea ****Family
Mymarommatidae The Mymarommatidae, sometimes referred to as false fairy wasps. are a very small family of microscopic parasitic wasps. Only about half of the known species are living taxa (the others are fossils), but they are found worldwide.Gibson, G.A.P.; R ...
***Superfamily
Platygastroidea The Hymenopteran superfamily of parasitoid wasps, Platygastroidea, has often been treated as a lineage within the superfamily Proctotrupoidea, but most classifications since 1977 have recognized it as an independent group within the Proctotrupo ...
****Family
Platygastridae The hymenopteran family Platygastridae (sometimes incorrectly spelled Platygasteridae) is a large group (over 4000 species) of exclusively parasitoid wasps, mostly very small (1–2 mm), black, and shining, with geniculate (elbowed) anten ...
****Family
Scelionidae The hymenopteran family Scelionidae is a very large cosmopolitan group (over 3000 described species in some 176 genera) of exclusively parasitoid wasps, mostly small (0.5–10 mm), often black, often highly sculptured, with (typically) elbowe ...
***Superfamily
Proctotrupoidea Proctotrupoidea is a hymenopteran superfamily containing seven extant families, though others have been recognized in the past, most of these having been removed to a recently erected superfamily Diaprioidea. Of the remaining families, only Pr ...
****Family Heloridae ****Family
Pelecinidae Pelecinidae is a family of parasitic wasps in the superfamily Proctotrupoidea. It contains only one living genus, '' Pelecinus'', with three species known from the Americas. The earliest fossil species are known from the Jurassic, and the group ...
****Family Peradeniidae ****Family Proctorenyxidae ****Family Proctotrupidae ****Family Roproniidae ****Family Vanhorniidae ***Superfamily Stephanoidea ****Family Stephanidae ***Superfamily Trigonaloidea ****Family † Maimetshidae ****Family
Trigonalidae Trigonalidae (the spelling Trigonalyidae is incorrect under Article 29.5 of the ICZN,ICZN Code
29.5. Mainten ...


References


External links


Suborder Apocrita – Ants, Bees and Wasps – BugGuide.Net
— images and other information
Tree of Life

Balades Entomologiques
— "entomological walks" with images {{Taxonbar, from=Q22864 Insect suborders Taxa named by Carl Eduard Adolph Gerstaecker