Diopsoidea

The Diopsoidea are a small but diverse cosmopolitan superfamily of acalyptrate muscoids, especially prevalent in the tropics. Some flux exists in the family constituency of this group, with the Strongylophthalmyiidae and Tanypezidae formerly being in this group but now in the Nerioidea.[1]

Diopsoidea
A stalk-eyed fly from Cameroon
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
(unranked): Cyclorrhapha
Section: Schizophora
Superfamily: Diopsoidea
Families

Diopsidae - stalk-eyed flies
Gobryidae
Megamerinidae
Nothybidae
Psilidae - rust flies
Somatiidae
Syringogastridae

Description

As flies, Diopsoidea undergo complete metamorphosis with the four life stages of egg, larva, pupa and adult. The adult stage has three body segments (head, thorax and abdomen), three pairs of legs and one pair of wings.[2]

Some features that distinguish adult Diopsoidea from other flies are: a well-sclerotised face, antennae usually deflexed to strongly elbowed (if not, then either the fore or hind femur is entirely swollen), ocelli positioned near the vertex of the head, no katepisternal setae, wing veins R2+3 and R4+5 subparallel or slightly convergent apically, and the wing anal cell being comparable in size to the subcostal cell.[1]

References
  1. Lonsdale, Owen (2020-02-17). "Family groups of Diopsoidea and Nerioidea (Diptera: Schizophora)—Definition, history and relationships". Zootaxa. 4735 (1): zootaxa.4735.1.1. doi:10.11646/zootaxa.4735.1.1. ISSN 1175-5334. PMID 32230232. S2CID 214311790.
  2. Resh, Vincent H.; Carde, Ring T. (2009-07-22). Encyclopedia of Insects. Academic Press. pp. 284–297. ISBN 978-0-08-092090-0.


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