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Definition of Anisoptera in English: Anisopteraplural nounˌanʌɪˈzɒptərə Entomology A group of insects which comprises the dragonflies. 〔昆〕差翅亚目。比较ZYGOPTERA Suborder Anisoptera, order Odonata Compare with Zygoptera Example sentencesExamples - The Order Odonata is subdivided into two suborders: damselflies and dragonflies (Anisoptera).
- Dragonflies (Anisoptera) belong to the order Odonata. Odonata means "toothed, and refers to the toothed mandibles of these carnivorous insects.
- They have two pairs of almost equal-sized glassy wings [Anisoptera means ‘unequal wings’] and their compound eyes have up to 30,000 facets.
- The Anisoptera have stout bodies, with the head usually narrower than the thorax and abdomen. They do not have caudal tracheal gills like the Zygoptera.
- The larvae of Anisoptera are distinguished from that of Zygoptera by a more robust shape, such that the thorax and abdomen are generally wider than the head.
- Depending on the author's preferences, dragonflies, Anisoptera, are subdivided into 6-15 families.
Derivativesnoun & adjective Entomology More than a third of the zygopterans covered is endemic to South Africa, while the majority of the anisopterans are widespread Afrotropical species. Example sentencesExamples - Path analysis indicated that fishes exert a strong trophic effect on anisopteran and mosquito larvae in structurally simple swimming pools.
- It is possible that the stratagem of active motion camouflage is unique to anisopterans [a suborder of dragonfly].
- In order to avoid confusion between the two meanings of the word ‘dragonfly’, it is easier to refer to the former as ‘odonates’, leaving ‘dragonflies’ for use when referring specifically to anisopterans.
- Some families have eyes that join, others have separated eyes, but all anisopterans hold their wings out at right-angles to the thorax, like miniature airplanes - and they can fly like jet-fighters!
- They are small and slender insects, which fly less rapidly than the anisopterans.
- Assuming that E. superstes is indeed an outgroup taxon to Anisoptera, it clearly emerges as the most suitable outgroup for rooting the anisopteran clade.
- The wingspan of modern anisopterans ranges from around 0.75 inches to more than 6 inches.
- A list of records of anisopteran larvae and final instar exuviae with attached zebra mussels is provided.
- The Downy Emerald Cordulia aenea is the only resident anisopteran not reported during this first year of DragonflyIreland.
- With it was a Megapodagrionidae, a damselfly that perched with its wings outspread like an anisopteran, giving the impression of a small gomphid.
- Zygopterans and tabanids were absent, and coleopterans, neuropterans, trichopterans, hemipterans (true bugs), and anisopterans were rare.
- There has been no new published record for the smallest anisopteran dragonfly, Nannophya pygmaea, in Hong Kong since 1996.
- Juvenile Nile perch feed on invertebrates (e.g., ephemeropteran naiads, anisopterans, zygopterans and chironomids) when small, then switch to fishes with growth.
- Back in the early Jurassic Era, 190 million years ago, enormous dragonflies of the anisopteran family Petaluridae lived in swamps and bogs on the ancient continents Laurasia and Gondwana.
- In all the lakes, anisopteran nymphs become most important in fish from 20-59 cm long.
- The eyes of zygopterans are generally situated further apart than with most anisopterans.
OriginModern Latin (plural), from Greek anisos 'unequal' + pteron 'wing'. |