HOME

TheInfoList




In
biology Biology is the natural science that studies life and living organisms, including their anatomy, physical structure, Biochemistry, chemical processes, Molecular biology, molecular interactions, Physiology, physiological mechanisms, Development ...

biology
, a nymph is the immature form of some
invertebrate Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a ''backbone'' or ''spine''), derived from the notochord. This includes all animals apart from the chordata, chordate subphylum vertebrate, Vertebra ...
s, particularly
insect Insects (from Latin Latin (, or , ) is a classical language A classical language is a language A language is a structured system of communication Communication (from Latin ''communicare'', meaning "to share" or "to be in ...

insect
s, which undergoes gradual
metamorphosis Metamorphosis is a biological process Biological processes are those processes that are vital for an organism In biology, an organism () is any organic, life, living system that functions as an individual entity. All organisms are ...
(
hemimetabolism Hemimetabolism or hemimetaboly, also called incomplete metamorphosis and paurometabolism,McGavin, George C. ''Essential Entomology: An Order-by-Order Introduction''. Oxford: Oxford University Press, 2001. pp. 20. is the mode of development of certa ...
) before reaching its adult stage. Unlike a typical
larva A larva (plural larvae ) is a distinct juvenile form many animal Animals (also called Metazoa) are multicellular A multicellular organism is an organism In biology, an organism () is any organic, life, living system that f ...
, a nymph's overall form already resembles that of the adult, except for a lack of wings (in winged species). In addition, while a nymph moults, it never enters a
pupa A pupa ( la, pupa, "doll"; plural: ''pupae'') is the life stage of some insect Insects (from Latin Latin (, or , ) is a classical language A classical language is a language A language is a structured system of communicat ...

pupa
l stage. Instead, the final moult results in an adult insect. Nymphs undergo multiple stages of development called
instar An instar (, from the Latin ''īnstar'', "form", "likeness") is a developmental stage of arthropods An arthropod (, (gen. ποδός)) is an invertebrate Invertebrates are animals that neither possess nor develop a vertebral column (commonly ...
s. This is the case, for example, in
Orthoptera Orthoptera () is an order (biology), order of insects that comprises the grasshoppers, locusts, and cricket (insect), crickets, including closely related insects, such as the Tettigoniidae, bush crickets or katydids and wētā. The order is subdi ...

Orthoptera
(
crickets Crickets are Orthopteran insects which are related to Tettigoniidae, bush crickets, and, more distantly, to grasshoppers. In older literature, such as Augustus Daniel Imms, Imms,Imms AD, rev. Richards OW & Davies RG (1970) ''A General Textbook ...
,
grasshopper Grasshoppers are a group of insect Insects (from Latin Latin (, or , ) is a classical language A classical language is a language A language is a structured system of communication Communication (from Latin ''comm ...

grasshopper
s and
locust Locusts (derived from the Vulgar Latin Vulgar Latin, also known as Popular or Colloquial Latin, is non-literary Literature broadly is any collection of written work, but it is also used more narrowly for writings specifically considere ...

locust
s),
Hemiptera Hemiptera (; ) is an order Order or ORDER or Orders may refer to: * Orderliness Orderliness is associated with other qualities such as cleanliness Cleanliness is both the abstract state of being clean and free from germs, dirt, trash, or wast ...

Hemiptera
(
cicada The cicadas () are a superfamily, the Cicadoidea, of insect Insects (from Latin ') are pancrustacean Hexapoda, hexapod invertebrates of the class (biology), class Insecta. They are the largest group within the arthropod phylum. Insects ha ...

cicada
s,
shield bug The Pentatomoidea are a superfamily of insect Insects or Insecta (from Latin Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken in the area ...

shield bug
s,
whiteflies Whiteflies are Hemipterans that typically feed on the undersides of plant leaves. They comprise the family (biology), family Aleyrodidae, the only family in the superfamily Aleyrodoidea. More than List of whitefly species, 1550 species have been d ...

whiteflies
,
aphid Aphids are small sap-sucking insects and members of the Taxonomic rank, superfamily Aphidoidea. Common names include greenfly and blackfly, although individuals within a species can vary widely in color. The group includes the fluffy white Erio ...

aphid
s, jassids, etc.),
mayflies Mayflies (also known as shadflies or fishflies in Canada and the upper Midwestern U.S.; also up-winged flies in the United Kingdom) are aquatic insects belonging to the order (biology), order Ephemeroptera. This order is part of an ancient gro ...

mayflies
,
termite Termites are Eusociality, eusocial insects that are classified at the Taxonomy (biology), taxonomic rank of infraorder Isoptera, or alternatively as Taxonomic rank#All ranks, epifamily Termitoidae, within the order Blattodea (along with cockroa ...

termite
s,
cockroach Cockroaches (or roaches) are insects of the order Blattodea, which also includes termite Termites are Eusociality, eusocial insects that are classified at the Taxonomy (biology), taxonomic rank of infraorder Isoptera, or as Taxonomic rank ...

cockroach
es,
mantis Mantises are an Order (biology), order (Mantodea) of insects that contains List of mantis genera and species, over 2,400 species in about 460 genera in 33 families. The largest family is the Mantidae ("mantids"). Mantises are distributed world ...

mantis
es,
stoneflies The Plecoptera are an order (biology), order of insects, commonly known as stoneflies. Some 3,500 species are described worldwide, with new species still being discovered. Stoneflies are found worldwide, except Antarctica. Stoneflies are believed ...
and
Odonata Odonata is an Order (biology), order of flying insects that includes the dragonflies and Damselfly, damselflies. Like most other flying insects (Diptera, flies, beetles, Lepidoptera, and Hymenoptera), they evolved in the early Mesozoic era. Their ...

Odonata
(
dragonflies A dragonfly is a flying insect belonging to the order Odonata, infraorder Anisoptera (from Ancient Greek, Greek ἄνισος ''anisos'', "unequal" and πτερόν ''pteron'', "wing", because the hindwing is broader than the forewing). Adult d ...

dragonflies
and
damselflies Damselflies are flying insects of the suborder Zygoptera in the order Odonata. They are similar to dragonflies, which constitute the other odonatan suborder, Anisoptera, but are smaller and have slimmer bodies. Most species fold the wings along t ...

damselflies
). Nymphs of
aquatic insects Aquatic insects or water insects live some portion of their biological life cycle, life cycle in the water. They feed in the same ways as other insects. Some ''diving'' insects, such as predatory diving beetles, can hunt for food underwater where ...
, as in the Odonata, Ephemeroptera, and Plecoptera, are also called naiads, an
Ancient Greek Ancient Greek includes the forms of the Greek language Greek ( el, label=Modern Greek Modern Greek (, , or , ''Kiní Neoellinikí Glóssa''), generally referred to by speakers simply as Greek (, ), refers collectively to the diale ...
name for
mythological Myth is a folklore genre consisting of narratives that play a fundamental role in a society, such as foundational tales or origin myths. The main characters in myths are usually non-humans, such as gods, demigods, and other supernatural figures ...
water nymphs
water nymphs
. Usage of the term 'naiad' is no longer popular among entomologists, who have come to see the distinction between nymph and larva as more of
evolutionary grade In alpha taxonomy, a grade is a taxon united by a level of morphological or physiological complexity. The term was coined by British biologist Julian Huxley, to contrast with clade A clade (; from grc, , ''klados'', "branch"), also known ...
than a clearly distinct life stage. In older literature, these were sometimes referred to as the heterometabolous insects, as their adult and immature stages live in different
environments
environments
(
terrestrial Terrestrial refers to things related to land Land is the solid surface of the Earth that is not permanently covered by water. The vast majority of human activity throughout history has occurred in land areas that support agriculture A ...
vs.
aquatic Aquatic means relating to water Water (chemical formula H2O) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known li ...
).


Relationship with humans

In
fly fishing #REDIRECT Fly fishing Fly fishing is an angling method that uses a light-weight lure—called an artificial fly—to catch fish Fish are Aquatic animal, aquatic, craniate, gill-bearing animals that lack Limb (anatomy), limbs with Digit ...
with artificial flies, this stage of aquatic insects is the basis for an entire series of representative patterns for trout. They account for over half of the over all patterns regularly fished in the United States.


See also

*
Naiad In Greek mythology Greek mythology is the body of s originally told by the , and a of . These stories concern the and , the lives and activities of , , and , and the origins and significance of the ancient Greeks' own and practices. M ...

Naiad
s in Greek mythology


References

{{DEFAULTSORT:Nymph (Biology) Insect developmental biology