Sphegina culex
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Diptera
Family: Syrphidae
Genus: Sphegina
Subgenus: Asiosphegina
Species:
S. culex
Binomial name
Sphegina culex
Hippa, Steenis & Mutin, 2015[1]

Sphegina culex is a species of hoverfly in the family Syrphidae found in Kambaiti Pass, Myanmar, a montane forest with swampy areas and streams located 2000 meters above sea level.[1]

Etymology

The name comes from Latin 'culex', meaning 'mosquito', referring to the mosquito-like appearance of the fly.[1]

Description

Like other species in its genus, S. culex is small and slender, though unlike them it bears a mosquito-like appearance. In male specimens, the body length is 4.6–4.9 millimeters. The wings are 4.4–4.8 millimeters long, hyaline, with very pale stigma. The face is strongly concave with a weakly developed frontal prominence. The face and gena are dark; frons and vertex black and semi-shiny; lunula shiny brown; occiput dull black; antenna dark brown, basal flagellomere baso-ventrally reddish; thorax black; pro- and mesoleg yellow, tarsomeres 4 and 5 black; metaleg with coxa brownish, trochanter yellow; metafemur blackish, basal 1/3 yellow; metatibia without apico-ventral tooth, colour yellow, the apical 1/4 black and an obscure brownish annulus on the basal 1/2; tarsus black. No female specimens are known.[1]

S. culex is similar to S. pollex, though it differs by having a large (instead of small) membranous incision at the posterior margin of male sternite IV, and by lacking a thumb-like subbasal sublobe located dorso-medially on the dorsal lobe of the surstylus. Both species have superior lobes similar to S. achaeta's, but the postero-dorsal lobe-like part is rounded (acute in S. achaeta).[1]

References

  1. 1 2 3 4 5 Hippa, H.; Steenis, J. van; Mutin, V.A. (2015). "The genus Sphegina Meigen (Diptera, Syrphidae) in a biodiversity hotspot: the thirty-six sympatric species in Kambaiti, Myanmar". Zootaxa. 3954: 1–67. doi:10.11646/zootaxa.3954.1.1. PMID 25947834. Retrieved 13 November 2021.
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