ICHNEUMONIN^ IN THE BRITISH MUSEUM. 143 



mesonotum, a common streak in the external and dentiparal 

 arese, alone hlach ; apices of tlie liind tibiae and their calcaria 

 nigrescent. Head obsolete behind the eyes ; frons and the 

 centrally elevated face hardly punctate; clypeus not discreted, 

 apical ly truncate ; mandibles not apically darker. Mesonotum 

 dull and shagreened, with short notauli ; metathorax dull with 

 dentiparal areaa transaciculate ; areola dull and shagreened, a 

 little longer than broad and rounded at both extremities; costulfe 

 utterly wanting. Scutellum elongate - triangular, deplanate, 

 shining and sparsely punctate, with no pilosity, laterally mar- 

 gined to near apex. Abdomen elongate-fusiform, unicolorous ; 

 basal segment closely and evenly punctate ; the second trans- 

 versely impressed throughout at its basal fourth ; gastrocceli very 

 small ; terebra black and a little exserted. Legs somewhat short 

 and not slender, coxal scopulic wanting. Wings llavescent- 

 hyaline ; radix, tegula;, and stigma entirely pale testaceous ; 

 areolet pentagonal and broad above ; nervelet and another in 

 second i-ecurrent nervure, short. Length, 12 mm. $ only. — 

 Several females captured in British East Africa (on the Yala 

 River at the southern edge of the Kakumga Forest, at about 

 5000 feet, towards the end of May 1911) and Uganda (in the 

 Durru Forest, Toro, at 4000-4500 feet, at the end of October 

 1911 ; and at Fort Portal Road, Mbarara, in Southern Toro, at 

 some 4000 feet, a day or two earlier). Also taken by G. F. Leigh 

 on 1st March, 1910, at Pinetown in South Africa. 



10. THYRIDIFER, Sp. 11. 



A very dull, rufescent-testaceous female with only the face and 

 two elongate vittse on the black mesonotum suhjlamdous. Very 

 similar to the last species, but differing in a few essential details; 

 ocellar region and centre of occiput confluently, mesonotum 

 centrally as well as laterally, scutellum centrally, basal sulcus 

 only of metathorax, with whole of the hind tibiae and tarsi, 

 hlack ; metanotal areola smaller, emitting distinct though weak 

 costulse ; centre of scutellum more closely punctate and sub- 

 convex ; postpetiole obsoletely punctate-aciculate ; gastrocoeli 

 deeply impressed, somewhat large and as broad as their inter- 

 vening space ; areolet coalescent above,with the second recurrent 

 nervure simple. Length, 14 mm. § only. — Harrar in Abys- 

 sinia, during 1912 (Collector ignot.). 



1 1 . STRIATIFER, Sp. 11. 



Rufescent-testaceous with the face and orbits indefinitely, meso- 

 notal margins and whole hind tarsi, Jfamdous ; ocellar region 

 circularly, flagellum except the white band, sides only of meso- 

 notum broadly, whole external areas, spiracles of hasal segment, 

 a transfascia before centre of the second segment and at base of 

 the third, black. Head posteriorly strongly emarginate, with 

 obsoletely punctate frons ; flagellum serrate. Anterior margin 



