SOME STEPHANID^E : WITH DESCRIPTIONS OF NEW SPECIES. 109" 



segment, basal two-thirds of third and legs red ; base of hind femora 

 and a mark inside apical third of hind femora black. 

 Length, 12 mm. 



Lesapi Eiver, Mashonaland ; November, 1897 (Guy Marshall)^ 



DiastepJiarius frontilinea, sp. nov. 



$ only. Head broad behind the eyes ; face finely reticulate and 

 white-pubescent ; vertex longitudinally aciculate ; occiput very 

 finely and closely transaciculate ; frontal tubercles prominent and 

 distinctly acuminate, the three anterior rather the larger ; basal 

 margin of head reflexed. Antennae filiform ; first and third flagellar 

 joints apparently of equal length and shorter than the second, but 

 the junctures obscure. Thorax slender and subcylindrical ; pro- 

 thorax apically linear and transmulticarinate, the semiannular 

 smooth and shining ; mesonotum very short, shining, and sparsely 

 punctate ; mesopleurae finely alutaceous and pubescent, with a few 

 scattered punctures ; metanotum coriaceous between the very large 

 and confluent punctures ; metapleurae smooth and finely subaciculate 

 transversely, with a deep superior sulcus. Scutellum large and 

 deplanate, smooth and shining, with a row of three punctures on 

 either side. Abdomen slender ; petiole transaciculate, 3 mm. in 

 length ; base of second segment narrowly scabrous, remaining 

 segments smooth, with the disc of sixth acutely emarginate apically; 

 abdomen 5^ mm. ; terebra 9 mm. Hind legs with coxae trans- 

 striate ; their femora alutaceous, with two large teeth, an obtuse 

 basal one and other central denticulations ; their tibiae as long as 

 femora, constricted to a little beyond centre and there internally 

 excised ; tarsi three-jointed. Wings narrow and quite hyaline ; stigma 

 lanceolate, with its edges alone dark. — Black ; with the mouth 

 parts, inner and outer orbits testaceous ; a longitudinal line down 

 centre of frons from apical tubercle to antennae rufescent, as also ara 

 all five tubercles ; base of head indefinite rufous ; anterior tibiae 

 testaceous ; tarsi red. Terebra white-banded before apex. 



Length, 10^ mm. 



The unique female is from the Pusa Collection, and was 

 captured at Kaupur, on the border of Assam and Eastern 

 Bengal on July 20th, 1905. It is the first member of this 

 genus from the region. 



Diastephamis alutaceus, sp. nov. 



$ only. Body rufescent, entirely alutaceous and dull through- 

 out. Head finely transrugose in front ; all the five frontal tubercles 

 small but acute, vertex with a prominent transcarina behind basal 

 ocellus ; occiput feebly trans-striate, with its basal margin bordered. 

 Antennae as long as head and thorax, with all the flagellar joints 

 distinctly discreted, the second and third equal and half as long 

 again as the first. Thorax deplanate ; prothorax not strongly 

 elongate, its disc longitudinally subsulcate centrally and sides trans- 

 carinate only near apex ; semiannular part basally explanate ; meso- 



