302 MB. avalkbr's catalogue or dipterous insects 



Fam. MUSCID^, Latr. 

 Subfam. Musctdes, Walk. 



Gen. MuscA, lAnn. 



2. MuscA (Gen. Chrysomyia, Desv.) nitescens, n. s. Fcem. Cya- 

 nescenti-viridis, capite argenteo, frontalibus atris, palpis antennis 

 pedibusque nigris, abdominis segmentis nigro fasciatis, alis cinereis, 

 basi costa alulisque nigricantibus. 



Female. Bluish-green, with black bristles. Head silvery white ; fron- 

 talia deep black, linear. Palpi, antennae, and legs black. Antennae 

 nearly reaching the epistoma. Abdomen with a black band on the 

 hind border of each segment. Wings cinereous, blackish about the 

 base and along most of the costa ; veins black ; praebrachial vein form- 

 ing a rounded right angle at its flexure, beyond which it is slightly 

 curved inward ; discal transverse vein straight, parted by half its length 

 from the border, and by much less than its length from the flexure of 

 the praebrachial ; alulae blackish. Length of the body 5 lines; of the 

 wings 8 lines. 



(Tidon.) 



Earn. ASILID^, Leach. 



Subfam. Dastpogoisites, Walk. 



Gen. Dasypogon, Fair. 



1. Dasypogon coNGRESSUS, n. s. Mas. Niger, capite antico argen- 

 teo, mystace albo, antennis lanceolatis, abdomine lineari segmentis 

 albido marginatis, alis cinereis, halteribus albis. 



Male. Black, with whitish tomentum. Head silvery white in front; 

 mystax composed of several white bristles. Antennae lanceolate, not 

 longer than half the breadth of the head. Abdomen linear, narrower 

 and very much longer than the thorax ; hind borders of the segments 

 whitish. Legs stout, bristly. Wings cinereous; veins black; sub- 

 anal and anal veins united on the hind border ; halteres white. Length 

 of the body 3i lines ; of the wings 7 lines. 



Fam. BOMBYLID^, Leach. 

 Gen. Anthkax, Fabr. 

 2. Anthrax Pelops, Walk. See Vol. HL p. 90. 



