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Raphidioptera
Snakeflies are a group of predatory insects comprising the order (biology), order Raphidioptera with two extant families: Raphidiidae and Inocelliidae, consisting of roughly 260 species. In the past, the group had a much wider distribution than it does now; snakeflies are found in temperate regions worldwide but are absent from the tropics and the Southern Hemisphere. Recognizable representatives of the group first appeared during the Early Jurassic. They are a Relict (biology), relict group, having reached their apex of diversity during the Cretaceous before undergoing substantial decline. An adult snakefly resembles a Hemerobiiformia, lacewing in appearance but has a notably elongated thorax which, together with the mobile head, gives the group their common name. The body is long and slender and the two pairs of long, membranous wings are prominently veined. Females have a large and sturdy ovipositor which is used to deposit eggs in some concealed location. They are holometabolo ...
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Raphidiidae
''Raphidiidae'' is a family of snakeflies in the order Raphidioptera. Genera Raphidiidae are divided in 28 genera with about 210 species * Raphidiinae Latreille, 1810 **Agullini Engel ***'' Agulla'' Navás, 1914 **Alenini Engel ***''Alena'' Navás, 1916 **Raphidiini Latreille, 1810 ***†'' Archiraphidia'' (Eocene; United States) ***'' Africoraphidia'' Aspöck & Aspöck, 1969 ***'' Atlantoraphidia'' ***'' Calabroraphidia'' ***'' Dichrostigma'' Navás, 1909 ***'' Harraphidia'' Steinmann, 1963 ***'' Hispanoraphidia'' ***'' Iranoraphidia'' ***'' Italoraphidia'' ***'' Mauroraphidia'' Aspöck, Aspöck, & Rausch, 1983 ***'' Mongoloraphidia'' ***'' Ohmella'' ***'' Ornatoraphidia'' ***'' Parvoraphidia'' ***'' Phaeostigma'' ***'' Puncha'' Navás, 1915 ***'' Raphidia'' ***'' Subilla'' ***'' Tadshikoraphidia'' ***'' Tauroraphidia'' ***'' Tjederiraphidia'' ***'' Turcoraphidia'' ***''Ulrike'' ***'' Venustoraphidia'' ***''Xanthostigma'' *† Succinoraphidiinae Aspöck & Aspöck, 2004 **† ...
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Inocelliidae
Inocelliidae is a small family (biology), family of snakeflies containing 8 genera of which one is known only from fossils. They are commonly known as inocelliid snakeflies. The largest known species is ''Fibla carpenteri'' known from fossils found in baltic amber. Subfamilies and Genera The following genera are included in ''BioLib.cz'': Inocelliinae Authority: Engel, 1995 # ''Amurinocellia'' Horst Aspöck, Aspöck & Ulrike Aspöck, Aspöck, 1973 (Recent) # ''Fibla'' Navás, 1915 (Eocene-Recent; Fossils: Baltic amber, Spain, USA) # ''Indianoinocellia'' Aspöck & Aspöck, 1970 # ''Inocellia'' Schneider, 1843 # ''Negha'' Navas, 1916 # ''Parainocellia'' H. Aspöck & U. Aspöck, 1968 # †''Paraksenocellia'' Makarkin, Archibald, & Jepson, 2019 # ''Sininocellia'' Yang, 1985 Fossil taxa Includes subfamily †Electrinocelliinae Michael S. Engel, Engel, 1995 # †''Electrinocellia'' Engel, 1995 (Eocene; Baltic amber) # †''Succinofibla'' Aspöck and Aspöck, 2004 References

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Dichrostigma Flavipes
''Dichrostigma flavipes'' is a species of snakefly in the family Raphidiidae ''Raphidiidae'' is a family of snakeflies in the order Raphidioptera. Genera Raphidiidae are divided in 28 genera with about 210 species * Raphidiinae Latreille, 1810 **Agullini Engel ***'' Agulla'' Navás, 1914 **Alenini Engel ***''Alena'' Na .... It is found in Western Europe. References Insects of Europe Raphidioptera Insects described in 1863 {{Raphidioptera-stub ...
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Raphidia Ophiopsis M NL-Doorwerth-19540617 Right Wing - Collection Naturalis
''Raphidia'' is a genus of snakefly, mainly found in Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east .... Species The following are included in ''BioLib.cz'': ;subgenus ''Aserbeidshanoraphidia'' Aspöck & Aspöck, 1968 * '' Raphidia nuchensis'' H. Aspöck et al., 1968 ;subgenus ''Nigroraphidia'' Aspöck & Aspöck, 1968 # '' Raphidia friederikae'' H. Aspöck & U. Aspöck, 1967 # '' Raphidia palaeformis'' H. Aspöck & U. Aspöck, 1964 ;subgenus ''Raphidia'' Linnaeus, 1758 # '' Raphidia alcoholica'' H. Aspöck & U. Aspöck, 1970 # '' Raphidia ambigua'' H. Aspöck & U. Aspöck, 1964 # '' Raphidia ariadne'' H. Aspöck & U. Aspöck, 1964 # '' Raphidia beieri'' H. Aspöck & U. Aspöck, 1964 # '' Raphidia euxina'' Navás, 1915 # '' Raphidia grusinica'' H. Aspöck et al., 1968 # '' R ...
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Insect
Insects (from Latin ') are Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (Insect morphology#Head, head, Thorax (insect anatomy), thorax and abdomen (insect anatomy), abdomen), three pairs of jointed Arthropod leg, legs, compound eyes, and a pair of antenna (biology), antennae. Insects are the most diverse group of animals, with more than a million described species; they represent more than half of all animal species. The insect nervous system consists of a insect brain, brain and a ventral nerve cord. Most insects reproduce Oviparous, by laying eggs. Insects Respiratory system of insects, breathe air through a system of Spiracle (arthropods), paired openings along their sides, connected to Trachea#Invertebrates, small tubes that take air directly to the tissues. The blood therefore does not carry oxygen; it is only partly contained in ves ...
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Holometabolous
Holometabolism, also called complete metamorphosis, is a form of insect development which includes four life stages: egg, larva, pupa, and imago (or adult). Holometabolism is a synapomorphic trait of all insects in the clade Holometabola. Immature stages of holometabolous insects are very different from the mature stage. In some species the holometabolous life cycle prevents larvae from competing with adults because they inhabit different ecological niches. The morphology and behavior of each stage are adapted for different activities. For example, larval traits maximize feeding, growth, and development, while adult traits enable dispersal, mating, and egg laying. Some species of holometabolous insects protect and feed their offspring. Other insect developmental strategies include ametabolism and hemimetabolism. Developmental stages There are four general developmental stages, each with its own morphology and function. Egg The first stage of the insect life cycle is the egg, or ...
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Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. The Jurassic constitutes the second and middle period of the Mesozoic, Mesozoic Era as well as the eighth period of the Phanerozoic, Phanerozoic Eon and is named after the Jura Mountains, where limestone strata from the period were first identified. The start of the Jurassic was marked by the major Triassic–Jurassic extinction event, associated with the eruption of the Central Atlantic magmatic province, Central Atlantic Magmatic Province (CAMP). The beginning of the Toarcian Age started around 183 million years ago and is marked by the Toarcian Oceanic Anoxic Event, a global episode of Anoxic event, oceanic anoxia, ocean acidification, and elevated global temperatures associated with extinctions, likely caused by the eruption of the Kar ...
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Larva
A larva (; : larvae ) is a distinct juvenile form many animals undergo before metamorphosis into their next life stage. Animals with indirect development such as insects, some arachnids, amphibians, or cnidarians typically have a larval phase of their life cycle. A larva's appearance is generally very different from the adult form (''e.g.'' caterpillars and butterflies) including different unique structures and organs that do not occur in the adult form. Their diet may also be considerably different. In the case of smaller primitive arachnids, the larval stage differs by having three instead of four pairs of legs. Larvae are frequently adapted to different environments than adults. For example, some larvae such as tadpoles live almost exclusively in aquatic environments but can live outside water as adult frogs. By living in a distinct environment, larvae may be given shelter from predators and reduce competition for resources with the adult population. Animals in the lar ...
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Pupa
A pupa (; : pupae) is the life stage of some insects undergoing transformation between immature and mature stages. Insects that go through a pupal stage are holometabolous: they go through four distinct stages in their life cycle, the stages thereof being egg, larva, pupa, and imago. The processes of entering and completing the pupal stage are controlled by the insect's hormones, especially juvenile hormone, prothoracicotropic hormone, and ecdysone. The act of becoming a pupa is called pupation, and the act of emerging from the pupal case is called eclosion or emergence. The pupae of different groups of insects have different names such as ''chrysalis'' for the pupae of butterflies and ''tumbler'' for those of the mosquito family. Pupae may further be enclosed in other structures such as cocoons, nests, or shells. Position in life cycle The pupal stage follows the larval stage, or in some cases a prepupal stage, and precedes adulthood ('' imago'') in insects with compl ...
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Metamorphosis
Metamorphosis is a biological process by which an animal physically develops including birth transformation or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation. Some insects, jellyfish, fish, amphibians, mollusks, crustaceans, cnidarians, echinoderms, and tunicates undergo metamorphosis, which is often accompanied by a change of nutrition source or behavior. Animals can be divided into species that undergo complete metamorphosis (" holometaboly"), incomplete metamorphosis (" hemimetaboly"), or no metamorphosis (" ametaboly"). Generally organisms with a larval stage undergo metamorphosis, and during metamorphosis the organism loses larval characteristics. Etymology The word ''metamorphosis'' derives from Ancient Greek , "transformation, transforming", from ('), "after" and ('), "form". Hormonal control In insects, growth and metamorphosis are controlled by hormones synthesized by ...
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Arthropod Leg
The arthropod leg is a form of jointed appendage of arthropods, usually used for walking. Many of the terms used for arthropod leg segments (called podomeres) are of Latin origin, and may be confused with terms for bones: ''coxa'' (meaning hip (anatomy), hip, : ''coxae''), ''trochanter'', ''femur'' (: ''femora''), ''tibia'' (: ''tibiae''), ''tarsus'' (: ''tarsi''), ''ischium'' (: ''ischia''), ''metatarsus'', ''carpus'', ''dactylus'' (meaning finger), ''patella'' (: ''patellae''). Homology (biology), Homologies of leg segments between groups are difficult to prove and are the source of much argument. Some authors posit up to eleven segments per leg for the most recent common ancestor of Neontology, extant arthropods but modern arthropods have eight or fewer. It has been argued that the ancestral leg need not have been so complex, and that other events, such as successive loss of function of a Homeobox, ''Hox''-gene, could result in Parallel evolution, parallel gains of leg segments ...
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