HYMENOPTERA NEW TO CEYLON. 119 



and running' into furrows on median segment. Abdomen closety 

 and finely punctured under the black velvety pubescence. Vertex 

 cheeks and emargination of the thorax covered with recumbent, 

 downy, silvery pile. The whole covered with sparse erect pubes- 

 cence, thickest on the abdomen, median segment, and vertex. 

 Head and thorax dark ferruginous red, merging into black on the 

 lateral edges of thorax, pronotum, lower portion of face, and behind 

 the eyes. Median segment has a prominent lateral tubercle — similar 

 to male — black, shining, and inclined posteriorly. Abdomen above 

 covered with black pubescence ; a large central spot at apex of first 

 segment, two similar spots, one on each side of the centre of second 

 segment, two quadrate spots — their lower corners converging 

 towards the centre — on the third segment, silvery wliite. Apical 

 segment and ventral portion of abdomen with long whitish pubes- 

 cence. LeUjgth 13 mm. Described from one specimen caught at 

 Nedunkerni, Northern Province, in Colombo Museum No. 222. 



*MuUlla willeyi, n. sp. ?. Fig. 7. Col. Mus. No. 94. 



Head, thorax, and abdomen very coarsely punctured and granu- 

 lar ; head a little narrower than the thorax, the last rather narrowed 

 towards median segment, tr,ansverse in front. Black. The whole 

 covered with close recumbent pile golden on the thorax (except the 

 anterior margin, where it is black), first and basal two-thirds of 

 second abdominal segment above. The head, anterior lateral 

 angles of pronotum, lateral round spots on segments 2-5, and medial 

 round spots on posterior margins of second, fourth, fifth segments, 

 the legs, sides, and a thin medial line on first and second segments 

 above — of ghstening silvery pile. Profusely studded with long, 

 stiff, erect hairs, which are black on the black and silvery portions, 

 and brown on the golden portions. A prominent sharp keel, ending 

 in a sharp tubercle, dividing the emargination of the sides, the keel 

 fringed with long thin white hairs. Length 12 mm. 



This gorgeous little Mutilla, the only one I have seen, was captured 

 by Dr. Willey on the little island of Delft off the north-western coast 

 of Ceylon. 



*Eumenes ichnogastroides , n. sp. Fig. 9. Col. Mus. No. 228. 



Head and thorax closely and evenly punctured, finer on the 

 clypeus; petiole and basal segment smooth, polished, and shining ; 

 the petiole as long as head and thorax united, gradually broadening 

 towards the apex, a short transverse sulcation just before the apex 

 of same, giving it a flattened appearance. Clypeus convex and 

 widely emarginate. Thorax globular ; a fine central longitudinal 

 carina the whole length of the mesonotum. The whole covered 

 with short golden pubescence. Reddish brown. The mesonotum 

 with a black patch anteriorly and a broad black semicircular band 



