32 THE ENTOMOLOGIST. 



punctate. Propleurae finely striate, mesopleurae smooth and shining, 

 metapleurae and median segment cribrate punctate, separated by a 

 carina. Petiole extremely finely trans-striate, shorter than rest of 

 abdomen, which is smooth and shining. Terebra shorter than body, 

 white banded. Hind coxas trans-striate, their femora bidentate, 

 tibiae compressed to the middle. 



Black ; head rufo-testaceous, vertex slightly darker ; three basal 

 joints of antennae, presternum, tegulae and anterior legs rufo- 

 testaceous, the femora rather darker, tarsi paler, middle metatarsus 

 white ; hind legs darker with the metatarsus paler. Femoral teeth 

 white. 



Length 6^ mm., abdomen 3| mm., petiole 1| mm., terebra 5 mm. 



Singapore (H. N. Ridley, 1900). 



Type in British Museum. 



A delicate insect ; distinguished by the space between the 

 ocelli being striate, instead of, :is usual, carinate ; and by 

 the white femoral teeth. 



Diastephaniis jiavonotatiis, sp. n. 



^ . Frons extremely finely transversly coriaceo-rugose ; vertex 

 with four carime ; occiput short, finely trans-striate, its posterior 

 margin simple ; temples smooth and shining. Anterior frontal 

 tubercle almost obsolete. Scape a little shorter than cheeks ; second 

 flagellar joint one and a half times as long as first, third fully as 

 long as first and second together. Neck of prothorax elongate and 

 slender, the pronotum obsoletely trans-striate, becoming subniti- 

 dulous towards the base, with a short longitudinal fovea. Scutellum 

 smooth; mesonotum nearly smooth. Pro- and mesopleurae smooth, 

 the latter diffusely punctate ; metapleurae smooth in front, reticulate 

 rugose behind ; median segment coarsely punctate. Petiole very 

 finely trans-striate, shorter than the remaining segments, which are 

 strongly nitidulous. Hind coxae slender, trans-striate, their femora 

 smooth, with two large white teeth, tibige compressed to beyond 

 middle. Wings hyaline, iridescent ; nervures pale fuscous. 



Black ; frons flavous, vertex ferruginous, occiput blackish. 

 Antennsfi testaceous, pronotum subrufescent. Anterior legs rufo- 

 testaceous. Hind coxae black, femora ferruginous, centrally paler ; 

 tibise darker, apically, and the metatarsus flavous, other tarsal joints 

 rufescent. Petiole black, remaining segments rufescent, a large 

 circular flavous spot on third segment on each side near base. 



Length 10| mm., abdomen 6^^ mm., petiole 3 mm. 



Hab., Kuching, Sarawak, N. Borneo, May 14th, 1900. 



Type in British Musum. 



Tills \n;\y prove to be tlie S of Z). leucodontus, Schlett., also 

 from Sarawak, with which it agrees in the obsolete anterior 

 tubercle, short occiput, and very largely in the sculpture. The 

 round flavous marks on the third segment are distinctive, and 

 I do not feel sure enough of the connection to unite the two. 



16, Belsize Grove, N.W. 3. 



