RY ROWLAND E. TURNER. 159 



89. T. (Agriomyia) rotundiceps Srn. 



Thynnus rotundiceps Sm., Cat. Hytn. B.M. vii. p.46, n.133, 

 1859(9). 



IThynnus propinquus Sm., Pescr. n.sp. Hym. p. 160, n.8, 1 879(<J). 



$. Clypeus broad, advanced in middle and very narrowly 

 truncate at apex, convex in centre, with a short longitudinal 

 impressed line in middle; sparsely punctured, rather broadly 

 truncate at base. Head finely and shallowly punctured, shining, 

 interantennal prominence not much elevated and divided by a 

 sulcus. Thorax opaque, finely and closely punctured on pronotum, 

 punctured-rugose on mesonotum and scutellum; anterior margin 

 of pronotum raised. Median segment finely punctured-rugulose, 

 short and obliquely depressed from postscutellum. Abdomen 

 fusiform, with a few small scattered punctures, the two apical 

 segments strongly punctured; segments 2-4 with an impressed 

 transverse line near base. First ventral segment with an acute 

 tubercle at apex. Hypopygium rounded, with a short apical 

 spine. Black; clypeus, inner margin of eyes as high as base of 

 antennae broadly, a large spot on each side above base of antennae, 

 anterior margin of pronotum, tegulae, a narrow transverse band 

 on each side of second, third and fourth abdominal segments 

 and a small spot on each side of fifth near middle, a large spot 

 on each side of second, third and fourth ventral segments and a 

 small spot on each side of the same segments near middle yellow. 

 Wings hyaline, nervures fuscous. Length 15 mm. 



£. Head very large, half as broad again as long, rounded at 

 sides and posterior angles, very flat, a round slightly convex 

 area on front; finely shagreened, a very short and faint longi- 

 tudinal sulcus between antennae. Thorax sparsely punctured, 

 pronotum not more than half width of head, longer than broad, 

 depressed at sides anteriorly, with prominent angles, broadly 

 raised and prominent in middle of anterior margin. Mesonotum 

 very narrow, longer than broad. Median segment more closely 

 punctured, slender, very narrow at base, obliquely truncate 

 posteriorly. First abdominal segment truncate anteriorly, finely 



