370 Mr. T. D. A. Cockcrell — Descriptions and 



clypeus), cheeks, pleurae, and metathorax pale ochreous, 

 becoming white on underside of thorax ; first abdominal 

 segment above with fulvous hair, brighter than the ochreous 

 bands on the second to fifth segments ; sides of third and 

 following segments with long black hair ; ventral scopa 

 creamy white, with black hair only at extreme sides ; tegulse 

 reddisli ochraceous, with a fuscous spot. Wings dusky. 

 Head very broad ; mandibles obscurely quadridentate ; 

 clypeus shining, well punctured, with a median ridge, the 

 lower margin gently concave in the middle ; antennas dark ; 

 mesothorax and scutellum dull, densely granular-punctate ; 

 a broad fulvous hair-band in scutello-mesothoracic suture. 

 Legs with pale hair, ferruginous on inner side of tarsi; hind 

 basitarsi broad ; claws simple ; black hair between the 

 abdominal bands extremely short ; left dorsal segment in 

 profile slightly concave, with short ochraceous tomentum 

 and small dark bristles. 



Hab. Guayaquil, Ecuador, 3 ? (Buchwald ; Alfken 

 coll. 5). 



Very like M. permunda, Ckll., only known in the male, 

 but that Brazilian species has red legs. It is superficially 

 rather like M. lenticula, Vach., but the sculpture of the 

 mesothorax is entirely different. 



Meyachile purtalis, sp. n. 



$ . — Length a little over 10 mm. 



Robust ; black, with the dorsal hair cream-coloured or 

 very pale ochreous and black, the other hair white ; abdo- 

 minal bands very narrow, entire ; black hair at sides of 

 abdomen, but ventral scopa white, black on last segment 

 except basally. Wings strongly dusky; tegulse piceous. 

 Eyes converging below; clypeus densely punctured, lower 

 margin gently concave in middle. Antennas slender, fla- 

 gellum obscure reddish beneath ; face and cheeks with white 

 hair (thin on clypeus), vertex with black; mesothorax and 

 scutellum dull, densely and finely punctured ; a pale hair- 

 band in scutello-mesothoracic suture. Legs with pale hair, 

 ferruginous on inner side of tarsi ; claws simple ; last dorsal 

 segment straight in profile, with appressed ochreous tomen- 

 tum and small black bristles. 



Hab. Guayaquil, Ecuador, 2 $ (Buchwald ; Alfken 

 coll. 4). 



Close to M. perochracea, but the pubescence is differently 

 coloured and the clypeus has no median ridge. 



