HYMKNOPTEROUS FAMILY STEPHANIDJE. 813 



17. FRONTiLiNEA Moi'ley. 



Diastephanus frontilinea Morley (1), p. 109, $ . 



§ . Frons finely reticulate and white pubescent ; vertex 

 longitudinally aciculate ; occiput veiy finely and closely trans- 

 aciculate ; frontal tubercles prominent and aciuninate, the 

 anterior rather larger. Posterior margin of head reflexed. 

 Antennae with first and second flagellar joints of equal length 

 and rather shorter than third. ISTeck multicarinate, semiannular 

 smooth and shining. Mesonotum veiy short, shining and 

 sparsely punctate. Scutellum large and flat, with the impressions 

 marked only by two rows of three punctures in front, smooth and 

 shining. Mesopleura) finelj^ alutaceous and pubescent, with a few 

 scattered punctures ; metapleursB smooth and finely subaciculate, 

 separated by a strongly-marked sulcus from the median segment, 

 which is coriaceous between veiy large and partly confluent 

 punctures. Petiole transaciculate, longer than rest of abdomen ; 

 second segment basally narrowly scabr-ous, remainder of abdomen 

 smooth ; apex of sixth segment discally acutely emarginate. 

 Terebra shorter than body, sheaths white-banded before apex. 

 Hind legs with coxae trans-striate; femora alutaceous, bidentate ; 

 tibiae as long as femora, compressed to a little beyond middle and 

 there internally excised. 



Black ; mouth-parts, inner and outer orbits testaceous ; a longi- 

 tudinal line down centre of frons and the tubercles rufous; 

 antei'ior tibia3 testaceous and hind tarsi red. Wings narrow, 

 hya.line ; stigma lanceolate and subhyaline. 



Length lOg mm.; abdomen 5| mm. ; petiole 3 mm.; terebra 

 9 mm. 



Habitat : Rangpur, on bordei- of Eastern Bengal and Assam ; 

 25. vii. 05. Type in Pusa collection. 



18. TRILINEATUS Ellio'Ct. 



Diastephanus trilineatus Elliott (3), p. 81, $ . 



5 . Frons and vex-tex very finely arcuate striate, occiput 

 trans-striate ; carinae between posterior ocelli subobsolete ; 

 posterior margin of head bordered. Second flagellar joint half 

 as long again as first; third as long as first and second together. 

 Pronotum trans-striate; mesonotum diffusely punctate; scutellum 

 smooth. Propleurse smooth ; mesopleurse finely striate and 

 punctate; metapleurae and median segment cribrate punctate. 

 Petiole trans-striate, apically smooth, as long as the smooth re- 

 mainder of abdomen. Terebra shorter than body, with subapical 

 white band. Hind coxae ti-ans-striate, their femora bidentate: 

 tibiae compressed slightly beyond middle. 



Black ; mouth-parts flavous, inner and outer orbits and frons 

 centrally and two basal joints of antennae flavous; vertex and 

 occiput nigro-rufescent ; legs more or less rufescent. Wings 

 hyaline. 



