| Evanioidea | ||||||||||||
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 Gasteruption jaculator
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| Scientific classification | ||||||||||||
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| Families | ||||||||||||
Evanioidea is a small Hymenopteran superfamily that includes three families, two of which (Aulacidae and Gasteruptiidae) are much more closely related to one another than they are to the remaining family, Evaniidae. Arthropods are Animals belonging to the Phylum Arthropoda (from Greek ἄρθρον arthron, " Joint " Insects ( Class Insecta) are a major group of Arthropods and the most diverse group of Animals on the Earth with over a million described Hymenoptera is one of the larger orders of Insects comprising the sawflies, Wasps Bees and Ants The name refers to The family Aulacidae is a small cosmopolitan group with 3 extant genera containing some 200 known species The ensign wasps (family Evaniidae) are a small cosmopolitan group of very distinctive appearance with 20 extant genera containing some 450 known species The family Gasteruptiidae is one of the more distinctive among the Apocritan Wasps with surprisingly little variation in appearance for a group that contains around Hymenoptera is one of the larger orders of Insects comprising the sawflies, Wasps Bees and Ants The name refers to The family Aulacidae is a small cosmopolitan group with 3 extant genera containing some 200 known species The family Gasteruptiidae is one of the more distinctive among the Apocritan Wasps with surprisingly little variation in appearance for a group that contains around The ensign wasps (family Evaniidae) are a small cosmopolitan group of very distinctive appearance with 20 extant genera containing some 450 known species There is a rich fossil record, however, that helps fill in the gaps between these lineages. They all share the trait of having the metasoma attached very high above the hind coxae on the propodeum. 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 The arthropod leg is a form of jointed Appendage of Arthropods usually used for Walking. The propodeum is the first abdominal segment in Apocrita Hymenoptera ( Wasps Bees and Ants.
It is a poorly-known group as a whole, with some 1100 known species in total, and a great many species are still undescribed. While each of the three families differs in biology, within each family they are remarkably uniform in appearance and habits.
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