Definitions
Century Dictionary and Cyclopedia
- A group of pseudoneuropterous insects, the dragon-flies, corresponding to the family Libellulidæ in a broad sense, and by some authors considered an order. See cut under dragon-fly.
Wiktionary
- n. A taxonomic order within the division Palaeoptera — the dragonflies etc..
GNU Webster's 1913
- n. (Zoöl.) The division of insects that includes the dragon flies.
WordNet 3.0
- n. dragonflies and damselflies
Examples
“Dragonflies and damselflies (Odonata) also have high levels of endemism; for example, 111 Odonata species (64% of the fauna) in Madagascar are of conservation concern because of high diversity and endemism.”
“With the exception of dragonflies and damselflies (Odonata), the conservation status of other aquatic invertebrates, including insects, has not been comprehensively assessed because there are presently insufficient data (C20. 3.2).”
“The dominant groups of insects are the Coleoptera, Hemiptera, Odonata, Ephemeroptera, and the Diptera (Chironomideae).”
“But when one considers the groups like the order Odonata dragonflies and damselflies, where the majority of the species have aquatic juveniles, one may tend to think that this is an evidence in support of the opposite route of insect evolution: from the sea to land via estuaries and freshwaters.”
“They're insects belonging to the Order Odonata, suborder Zygoptera.”
“Auricle - cula: an appendage resembling a little ear; in Odonata the tumescent area at the sides of the second abdominal segment: in”
“Metinfraepisternum: in Odonata; the sclerite just above base of 3d coxa; below metepisternum and before metepimeron.”
“Hypotenuses: in Odonata; the simple or broken cross-vein between media 4, and cubitus 1, forming outer boundary of triangle.”
“Hamuli: Odonata; one or two pairs of hooked processes projecting from the ventral surface of the 2d abdominal segment of the male; usually termed genital hamules: in Hymenoptera; minute hooks on the anterior margin of secondaries used to unite them in flight with the inner margin of primaries: in tree crickets, hook-like processes of the male genitalia.”
“Odonata, in the plural, one or two pairs of lateral processes of the male genitalia on the ventral surface of the second abdominal segment.”
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