724 LIST OF DIPTEBA. 



Sexualia parva ; forceps gracilis, subarcuatus. Fcem. — Abdomen 

 apice acuminatum non compressum. 



Wings dilated and ribbed transversely in front beyond the 

 middle ; costal and subcostal veins united. Radial vein undulat- 

 ing, incrassated before the middle. Cubital vein incrassated from 

 the base to the fork, forked at rather beyond half its length ;• forks 

 slightly undulating ; hind fork joined by an incrassated veinlet with 

 the fore fork of the praebrachial; bind fork of the praebrachial much 

 curved, whereby the middle of the discal areolet is much straightened. 

 First and second externo-medial veins straight ; third curved, 

 forming a very obtuse angle with the praebrachial, joining the 

 fourth far from the border. Subanal joining the anal near the 

 border. 



Asilus flavicornis, Macq. ; A. Barium, Walk.; A. Iamenus, Walk. 



207. Asilus opulentus. 

 Asilus opulentus, Diptera Saundersiana, Pt. 2, 150. 

 East Indies. 



208. Asilus atratulus. 



Foem. Niger, cinereo tomentosus ; caput antice albidum, subtus 

 albo pilosvm ; thorax nigro trivittatus ; alee cinereo?, apud 

 baseos sublimpidtB: 



Fern. Black, with cinereous tomentum. Head whitish in front, 

 with white hairs beneath. Mystax black, with very lonjr bristles. 

 Thorax with three indistinct blackish stripes. Abdomen black and 

 shining towards the tip. Legs black, with short hairs and long 

 slender spines. Wings grav, nearly limpid at the base and in the 

 basal half of the disk. Halteres whitish yellow. Length of 

 the body 5 lines ; of the wings 8 lines. 



a. Java. From the East India Company's collection. 



209. Asilus clavipes. 



Fcem. Ater, cinereo pribescens; antenna? basi testaceaz; pedes 

 Jlavi ; alee hyalince, apice subcinerece. 



Asilus clavipes, Macq. Dipt. Exot. i. 2, 142, 19. 



Allied to Asilus pusio, Wied. 



Java. 



