HYMENOPTEROUS FAMILY STEPHAKIDjE. 811 



shining. Terebra shorter than body, sheaths white-banded. 

 Hind coxfe trans-stria te, their femoi'a bidentate; tibiae compressed 

 to middle. 



Black ; head rufo-testaceous, vertex slightly darker ; thi'ee 

 basal joints of antennas, presternum, tegulse, and anterior legs 

 rufo-testaceous, the femoia rather darker, tarsi paler, middle 

 metatarsus whitish ; hind legs darker, with the metatarsus paler. 

 Femoral teeth white. 



Length 6;^ mm.; abdomen 3| mm. ; petiole 1| mm. ; terebra 

 5 mm. 



Habitat : Singapore. H. N. Eidley, 1900. Type in British 

 Museum. 



A delicate insect, distinguished by the space between the 

 posterior ocelli being striate, instead of, as usual, carinate, and 

 by the white femoral teeth. 



14. CARiNiFRONS Enderl. 



Diastephanus carinifrons Enderl. (4), p. 292, $ . 



5 . Head rather small, globose ; frons rugose to coarsely 

 reticulate, transrugose between tubercles, from the anteiior of 

 which a strong carina runs longitudinally down frons. Vertex 

 strongly transrugose, behind this a median longitudinal impres- 

 sion, and the occiput finely and closely trans-striate ; posterior 

 margin of head bordered. Second flagellar joint one and a half 

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

 Neck of prothorax strongly, semiannular finely transrugose, 

 posterior margin polished smooth. Mesonotum anteriorly 

 irregularly transrugose, posteriorly coarsely rugoso-punctate ; 

 scutellum smooth, apically diffusely punctate. Mesopleuraj 

 smooth, with a transrugose longitudinal impression, the apical 

 third in front of the impression strongly and densely punctate. 

 Metapleurse and median segment deeply reticulate, scarcely 

 separated. Petiole finely trans-a.ciculate, apical margin narrowly 

 smooth and polished, longer than rest of abdomen, which is 

 smooth, basally rugose. Terebra longer than body, spicula 

 ferruginous, sheaths black, white-banded before apex. Hind legs 

 with coxse long and slender, densely trans-striate ; femora 

 smooth. 



Black ; head except vertex and apices of mandibles, and 3-4 

 basal antennal joints ferruginous ; anterior margin of frons and 

 a median streak below anterior tubercle ferruginous ; posterior 

 margin of pronotum yellow ; anterior legs red-brown ; hind 

 tarsi and tibise brown. Wings hyaline, nervures pale brown. 



Length 14 mm. ; abdomen 9| mm. ; petiole 5^ mm. ; terebra 

 16 mm. ; fore wing 7^ mm. 



Habitat : Soekaranda, Sumatra,. 1 5 • Dr. Dohrn. 



ISTot unlike D. dolirni in colour, but petiole a,nd terebra 

 proportionally longer, sheaths of latter white-banded : sculpture 

 of pro- and meso-notum difl:erent. 



