22 Mr. P. Cameron on new Aculeate Hymenoptera 



the two recurrent nervures are separated by a distinctl}' 

 greater distance than the length of the second cubital cellule 

 above. Abdomen black ; the basal two segments rufous ; 

 the apical segments dark rufo-testaceous ; the segments are 

 thickly banded with silvery pubescence. 



Comes nearest to T. tarsata, Sm., but that is a much 

 larger species (15 mm.) and differs from it in many respects. 



Tachytes hrevipennis, sp. n. 



Nigra, dense argenteo pilosa ; alis brevis, costa stigmateque rufo- 



testaceis, nervis fuscis. $ . 

 Long. 12 mm. 



Hah. Barrackpore {Roihney). Coll. Rothney. 



Front and vertex alutaceous ; the front and oral region 

 thickly covered with silvery pubescence; the oceliar region 

 raised, with a shallow furrow down its middle; the ocellus 

 is broader than long; the depression behind is shallow, in- 

 distinct, and narrowed to a point behind. Clypeus shining, 

 depressed, its apex depressed. Mandibles at base thickly 

 covered with silvery pubescence ; palpi dark testaceous. 

 Thorax thickly covered with silvery pubescence and with 

 long white hair ; closely and minutely punctured ; the meta- 

 pleurse obscurely striated at the base; the hair on the mesonotum 

 has a golden tint ; the sternal process wide and triangularly 

 incised at the apex. W ings shoit, not much longer than the 

 head and thorax united, not reaching much beyond the middle 

 of the abdomen ; hyaline, with a slight yellowish tint ; the 

 costa and stigma testaceous ; the nervures darker j the first 

 and second cubital cellules are almost equal in length and 

 are as long as the space bounded by the recurrent nervures ; 

 the second recurrent nervure has a bread round curve below 

 the middle. The furrow on the-apex of the median segment 

 is wide and deep in the middle, and does not reach to the 

 top or bottom. Legs thickly covered with silvery pubescence ; 

 the spurs testaceous ; the tibial spines pale ; the apical two 

 joints of the foie tarsi are rufous ; the tarsal spines are long 

 and \\hite; the claws testaceous; the fore tarsi bear 

 long white spines. The basal four segments of the abdomen 

 are broadly fringed with silvery pubescence, which has a 

 more golden tint towards the apex ot the segment. Pygidium 

 covered with stiff black, intermixed with bright golden, 

 pubescence. 



