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Diptera.info :: Identification queries :: Diptera (adults)
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Scatopsciara sp. ♂
rafael_carbonell
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Posted on 02-03-2024 19:57
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Caught in a pitfall trap. Spain: Barcelona: Gallecs, 22.vii.2016.

Body length (including genitalia): 1,76 mm
Body length (without genitalia): 1,57 mm
Wing length: 1,17 mm

[MENZEL & MOHRIG 2000]
m-fork not curved like a bell; m1 and m2 shallowly diverging at the base.
basal parts of the antennal flagellum of ♂ equally finely or coarsely hairy.
Palpal proximal segment with several bristles.
Tibial end of legs 1 with strictly uniseriate row of bristles or spines on a basal ridge.
NOT: Tibial ends of legs 2, and/or legs 3, with a reduced spur or absent. BUT Tibial ends of legs 2, and legs 3 with a pair of subequal spurs !!
single-row tibial crest of p1 lobus-like to lobed and mostly very narrow;
r1 very short, the r1 opening in c strongly approximated to the rs transverse vein;
hypopygium compact and often small;
anterior tibiae without spines in the basal pubescence.
Scatopsciara Edwards, 1927

Stylus compact and shortened, stylus apex broad or narrowly pointed and apically/subapically with a terminal tooth;
apical bristles relatively short and light; stylus spines subapical [not in the apical bristles].
Scatopsciara Edwards, 1927 s. str.

It could be the undescribed male of S.platyventralis as like the female, it possesses 2 tibial spurs on the mid and hind legs, although the 2 tibial spurs of the mid legs are subequal. It also has a very short r1.
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rafael_carbonell
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