TRIGOXOUASTER. 285 



Genus TRIGONOGASTER. 



Ti'igonogaster, Forel, Ann. Sue. Ent. Behj. xxxiv (1890), C. H, p. cviii. 



Type, T. recurvisjiinosa, Eorel. 



Raiifje. Indo-Malayau region. 



^ . Elongate, narrow. Head viewed from the side truncate 

 anteriorly, longer than broad ; mandibles narrow, the masticatory 

 margin armed with 4 teeth ; maxillary palpi 5-, labial palpi 3-iointed; 

 clypeus vertical, strongly vaulted and convex, forming an angle 

 w ith the portion of the front above it, and Furnished with two longi- 

 tudinal carinas ; the antennal carina} short, prominent ; antenna) 

 ] 1-jointed, the last three joints incrassate, forming a club as in 

 the geims Ph'ulole ; eyes lateral and a little to the front. Thorax 

 elongate, broad anteriorly, the pro- and mesonotum forming a 

 single convexity; the pro-mesonotal suture visible as a line ; the 

 metanotum depressed, laterally slightly compressed ; the meso- 

 metanotal suture very distinct, the basal portion of the metanotum 

 armed posteriorly with two strong recurved spines, the apical 

 portion obhque, nearly vertical ; legs moderately slender and long. 

 Pedicel with the two nodes close together ; the 1st node witli a 

 long thick pedicel antei'iorly, and squamiform, somewhat conical, 

 above : the 2nd node broader than the 1st node and broader than 

 long, rounded in front, transverse posteriorly, articulated to the 

 abdomen by the whole of its posterior face : abdomen ^•iewed 

 from the side triangular, flat above, the apex o£ the triangle 

 below. 



324. Trigonogaster recurvispinosa, Forel, Ann. Hoe. Ent. Behj. xxxiv 

 (1690), C. It. p. cix. 



^ . Head and thorax tawny-olive ; abdomen dull yellowish. 

 Head, thorax and abdomen extremely tinely and closely punctured, 

 opaque ; pilosity very sparse, ouly a few scattered pale erect hairs 



Fig. 85. — Trigonogaster reetiruispinosi/, g . 



on the front and on the abdomen. Head rectangular, widely and 

 very slightly emargiuate posteriorly ; mandibles striate, slightly 

 shining. For the rest the characters of the genus. 



Lenc/th, ^ 2 mm. 



Hafj. Western India ( Wroughton). 



