262 SYRPHID^. 



Head : semicircular, broader than thorax ; eyes bare, in d' 

 touching for a short space or very approximate, wide apart in 2 y 

 face cut away below antennae moderately, thence gently curving 

 out^vards tow ards the moderately produced mouth-edge, in pro- 

 file obtuse, central bump sometimes present ; antennsB prominent^ 

 rather short, placed on a pi'ominence, 3rd joint round, rather 

 flattened, arista basal, bare. Thorax large, robust, fairly arched, 

 generally with yellow markings. Abdomen nearly twice as long^ 

 as thorax, as wide or very slightly wider ; curved, with yellow 

 bands. Legs rather strong ; hind femora elongate, unarmed ; hind 

 tibiae curved. Wings at rest folded over abdomen, generally with 

 a brown patch towards wing-tip on anterior margin ; marginal 

 cell open ; anterior cross-vein distinctly, but not greatly, beyond 

 middle of discal cell, oblique ; tip of 1st posterior cell very pointed ; 

 anal vein continued practically in a straight line to wing-border. 



Life-Mstory . The European T. ve&piforme has been bred from 

 larvae found in decaying w ood [teste Meigen, cited by Lundbeck, 

 Diptera Danica, v, p. 553, 1916). The adults occur on flowers 

 and bushes and are always rare. 



Range. Europe, Siberia, Caucasus, India, JN'orth America. 



205. Temnostoma nigrimanus, Brun. (emend,). 



Temnostoma nigrimana, Brunetti, Ilec. Ind. Mus. xi, p. 246, pi. xiii^ 

 fig. 15, abdomen (1915). 



S ' Head wholly bright yellow with concolorous tomentum and 

 a little yellow hair along eye-margins below antennae ; antennal 

 prominence, facial bump and moutli-opening a little more orange ; 

 oral orifice, proboscis and a short black stripe reaching from lower 

 corner of each eye half-way to end of snout, black. Antennseorange, 

 1st joint and basal half of 2nd black, arista dull orange. Vertex 

 reddish-brown with long black bail's in front and brow nisb-yellow 

 hair behind ; occiput greyish, with a fringe of yellow' hairs behind 

 eyes, becoming longer on under side of head and hinder part of 

 cheeks, llwrax slightly shining black, a trace of a pair of narrow 

 median grey stripes towards anterior margin ; humeri conspicuously 

 bright yellow, anterior margin on inner side of either humerus dull 

 reddish-orange ; an elongate brownish-orange spot on the side of 

 the dorsum just above and in front of the wing, reaclting to the 

 similarly coloured posterior calli ; a rather small oval bright 

 lemon-yellow^ spot on propleura. Pubescence of disc of dorsum 

 rather thick, black ; bi'ight yellow on humeri and on pleura below 

 the lemon-coloured spot ; reddish on the marginal spot above the 

 wings and on postei'ior calli, where there are black hairs inter- 

 mixed. Scutellum reddish-brown, base black nearly to middle, 

 long yellow hairs on anterior half and brownish-black hairs on 

 posterior half. A large bunch of long reddish-orange hair on 

 mesopleura. Aldomen black; 1st segment with bright brown 

 hair at sides ; 2nd with a reddish-brown hind border, which is. 



