84 OMMATIUS SCHLEGELII. 



NOTE YIII. 

 DESCRIPTION OF A REMARKABLE NEW ASILID 



BY 



F. M. VAN DER WULP. 



Ommatius Schlegelii, no v. spec. cf. 



Tener ^ pallide rufus' abdominis segmentis idtimis fus- 

 cescentibus ; facie fronteque angustis ^ argenteis ; femoribus 

 anticis extrinsecus pilis binis longis nigris , mediis spinula 

 unica nigra munitis; tarsis anterioribus subtus nigro-notatis , 

 anticorum articido secundo primo sublongiori, intermediorum 

 articulis 2 , 3 et 4: brevibus , subdilatatis , externe nigro- 

 plumatis; alis hyalinis , apice cinereo ; nervis apicalibus Jlexuo- 

 sis. — Long 12 mm. 



This species , by its slender and delicate structure , on 

 the first sight is hardly to be recognized as an Asilid. 



Head rather large, broader than the thorax, nearly 

 wholly occupied by the eyes; front and face very narrow, 

 silvery white ; front with a longitudinal groove ; vertex 

 small, deeply sunk in a narrow slit between the eyes; 

 face on the upper part with a longitudinal groove, on the 

 lower part a little prominent and gradually enlarging to- 

 wards the mouth. Mystax not reaching beyond the middle 

 of the face and consisting of a few long, partly yel- 

 lowish , partly white hairs ; beard whitish. Eyes large , 

 descending on both sides beneath the oral margin; middle 

 facets larger than the outer ones. Occiput impressed. An- 

 tennae short ; the joints of nearly equal length ; the two 

 first joints pale yellow, the third testaceous, pointed at 



P^otea from tb.e Leyden Museum, "Vol. "VI. 



