Wasps of the Genus Tacliytes. 25 



subopaque, finely and closely punctured; seventli dorsal 

 segment rather long, rounded at the apex, and clothed with 

 pale golden pubescence ; eighth ventral segment rounded 

 at tiie apex. 



Hab. British East Africa, Kuja Valley, S. Kavirondo, 

 4000 ft. {S.A.Neave), April ; Masai Reserve {T.J. Anderson), 

 April. 



Near T. dilaticornis. Turn., but differs in the structure 

 of the antennae, the greater'«*flistance between the eyes, the 

 iiarro\\er apical segments, and the colour of the Avings. 



27. Tachytes nudiventris, sp. u. 



5 . ]S^igra ; froiite clypeoque pallide fulvo-pilosis ; thorace seg- 

 uitntoque mediano sparse griseo -pilosis ; ahdouiine uudo, iiitido; 

 alls hyalinis, Havo suffusis, venis fuscis ; area pygidiuli nigro- 

 setosa ; palpis testaceis. 



S . Feminse simillimiis. 



Long., $ 15 mm., J 1-1 nim- 



? . Clypeus finely and closely punctured, broadly rounded 

 at the apex. Eyes separated on the vertex by a distance 

 equal to the combined length of the first and second joints 

 of the flagellum. Thorax and median segment opaque, very 

 finely and closely punctured, rather more sparsely on the 

 bcutellum than elsewhere ; the median segment as long as 

 tlie scutellum and postscutellum combined, rounded at the 

 posterior angles, very steeply sloped posteriorly, with a 

 narrow and shallow median sulcus broadening on the apical 

 third and continued more deeply on the apical truncation. 

 Ahdomen shining, minutely punctured, the segments without 

 apical bauds of pubescence; second sternite closely and 

 minutely punctured, with an arched row of large punctures 

 before tlie apex. Pygidial area broad at the base, narrowly 

 rounded at the apex, subtriangular, clothed with black setae. 

 Basal joint of the fore tarsi Mith six short and stout spines. 

 Second and third abscissae of the radius almost equal, the 

 distance between the recurrent nervures on the cubitus equal 

 to the second abscissa of the radius. '1 bird cubital cell 

 long and narrow^ the apex on the cubitus reaching nearer 

 to the margin of the wing than the apex of the radial 

 cell. 



(? . Seventh tergite small, rather narrowly rounded at 

 the apex ; eighth sternite about half as long again as broad, 

 narrowly and not very deeply incised at the apex. Galea 

 rather short and broad, not rostrate. 



