LIST OF DIPTEBA. 669 



36. Asilus CVANOPUS. 



Mas. Abdominis rnargo lateralis maculis nitentibus nullis ; seg- 

 menlum octavum atrum, utrinque nitidissimum ; pedes nigru- 

 cyanei. 



Asilus cyanopus, Loew, Linn. Ent. iv. 53, 36. 



Austria. 



37. Asilus modestus. 



Abdominis margo lateralis serie macular um atrarum nitentium 

 signatus. Mas. — Abdominis segmentum octavum nigrum, 

 superius subopacum. 



Asilus modestus, Loeiv, Linn. Ent. iv. 55, 37. 



Ephesus and Merineriza. 



Group 4. Mochtherus. 



Corpus cinereum aut cinereo-flavuin, majusculum, mediocre 

 aut minus. Faciei pars convexa ssepissime minuta. Mystax setis 

 paucis. Pedes fulvesceutes, breviter hirti. Mas. — Sexualia sajpis- 

 sime incrassata, obtusa. Ecem. — Oviductus valde acuminatus. 



Mochtherus, Loew, Linn. Ent. iv. 58.' 



Ashy gray, yellowish gray or grayish yellow species, of rather 

 large, middling, or small size. Legs bare, of a predominating clear 

 and more or less reddish yellow colour, which appears and shines 

 through the short covering of hairs. The convex part of the face is 

 in most species very small, and but thinly beset with bristles. The 

 ovipositor is much pointed ; the sexual parts of the male are 

 very thick and club-like, A. castanipes being the only exception yet 

 known where they are small and rather pointed, but this species is 

 only provisionally associated with the rest. 



Div. I. 



Femora distincte incrassata. Mas. — Sexualia parva, subacu- 

 minata. 



38. Asilus castanipes. 



Flavo-cinereus ; caput et mystax jiavicantia ; thorax vittis badiis ; 

 stria humeralis distinctissima, leviter Jlexuosa ; abdomen 

 fusco micans, bicisuris pallidis ; pedes badii ; alee fusees- 

 centes, apice subcinerea ; halleres fusci. 



