MVtOLEPTA. 



229 



middle of diseal cell, 1st posterior cell closed a little before wing- 

 border, tlie last section of the 4th vein nearly straight for its 

 apical three-fourths, 



Life-historij. A European species has been bred from decaying 

 poplar and maple trees. Lundbeck (Dipt. Danica, v, pp. 486-7, 

 ]916) considers that the larvse probably feed on the decaying 

 substance in which they live, and that the insect hibernates in 

 the larval stage. 



Range. Europe, India, North America, Chili. 



A very restricted genus. 



177. Myiolepta himalayana, Brun. 



31yiolepta honcdai/ana, Brunetti, Rec. Ind. Mus. xi, p. 233, pi. xiii, 

 "tig. 12, head iu profile, fig. 13, wing (1915). 



cJ 2 . Head : c? , eyes bare ; contiguous for only a short space, 

 leaving a rather small vertical triangle, which is shining black, 

 with some yellowish-grey hairs. Sides of frons narrowly grey- 

 dusted, whole of upper part of face also, that is to say, tlie part 

 immediately below the rather conspicuously produced antennal 

 prominence, which latter is shining black, its extreme frontal 

 ■edge narrowly orange. Facial bump very large and conspicuous, 



Fig. -iG.—Mi/iolepfa himalayana, Brun., bead in profile. 



central knob distinct, not cut away below (in pro(ile), but mouth- 

 opening less projecting; whole protuberance shining black. 

 L^wer sides of face with a little grey dust, and a few stiff long 

 hairs near lower corners of e3'es. Antennal third joint rounded, 

 the whole organ pale vinaceous, with a hoary bloom, arista hare, 

 orange at base. Back of head shining black, ash-grey behind 

 lower part of eyes, where it is considerably developed, and bearing 

 there a fringe of yellowish hairs. An arc of short bristly 

 brownish-bla(;k hairs behind the vertex. In $ , frons, at level of 



