. Fig. 92. Wing of A. hortensis ^. below on each side, and at the apical corners are short hairs; below there is a large, broadly rounded dusky, ventral plate; anal tube yellow, somewhat large, especially high. Legs yellow, the hind legs may be slightly darker and the apical part of hind femora a little darkened, the front legs the palest, whitish yellow, last tarsal joint darkened; front tarsi dilated, but metatarsus scarcely quite as wide as the end of tibiæ; hind femora with short or shortish hairs below; bristles on hind tibiæ distinct and not exactly small. Wings more or less yellowish, v
. Fig. 92. Wing of A. hortensis ^. below on each side, and at the apical corners are short hairs; below there is a large, broadly rounded dusky, ventral plate; anal tube yellow, somewhat large, especially high. Legs yellow, the hind legs may be slightly darker and the apical part of hind femora a little darkened, the front legs the palest, whitish yellow, last tarsal joint darkened; front tarsi dilated, but metatarsus scarcely quite as wide as the end of tibiæ; hind femora with short or shortish hairs below; bristles on hind tibiæ distinct and not exactly small. Wings more or less yellowish, veins pale brown or brownish yellow; the wings are somewhat long and characteristic in shape, the axillary angle is rectangular (but the angle itself rounded), the hind margin is straight and the front and hind margins of the wing are parallel; costa reaching to the middle, 1 not double 2 and about equal to 2 + 3; costal ciha long, but somewhat moderately so; fourth vein a little curved in the basal part, for the rest very slightly curved. Halteres black, but pale on the lower side. Female. Similar; antennæ slightly smaller; front tarsi a little less thickened, and with also the four last joints a little dilated. Length 1,6 to fully 2 mm; a specimen of about 2 mm's length has the wing 2,37 mm long.
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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishercopenhagengecgad
