48 Mr. G. Meade- Waldo on 



Alastor promontorii, sp. n. 



2 . Niger ; angulis pronoti margiue antico, segmentis primo 

 (dorsali) et secundo fasciis apicalibus angustis, flavis. Man- 

 dibulis basi, apice clypeali, tegulis, pedibusque plerumque, ferru- 

 gineis. Alis semihyalinis. 

 Long. 7 mm. 



$ . Black ; angles of the anterior margin of pronotum 

 laterall}', narrow apical fascise on abdominal segments 1 

 (tergite) and 2 (tergite and sternite) pale yellow ; clj'peus at 

 apex, mandibles (except the apex), tegulse, legs for the most 

 part ferruginous. 



Wings fusco-hyaline. Mandibles long, 3-toothed ; clypeus 

 as broad as long, narrowly produced towards apex, truncate 

 at apex. Pronotum truncate anteriorly; median segment 

 subtruncate, lateral angles somewhat bluntly produced, eacli 

 armed with a spine. First abdominal segment subpetiolate, 

 as broad at apex as segment 2 at base ; abdominal segment 

 2 cylindrical. Punctured, head and thorax coarsely, abdomen 

 more finely. 



Length 7 mm. 



1 ?,5 c?(?. 



South Afkica: Willowmore, Cape Colony {Dr. H. 

 Brauns). 



S . Differs from the female in having the clypeus yellow, 

 with an apical emargination, and the antennse terminated in 

 a hook ; abdominal segment 1 subpetiolate, half as broad at 

 apex as segment 2 at base. 



Pterochilus, Klug. 

 Pterochihis waltoni, sp. n. 



Niger, ochraceo-aurantiaco variegatus ; capite tboraceque rugose 

 punctatis ; clypeo apice truncate ; segmento median o inermi ; 

 tegulis partim, segmentis dorsalibus 1-3 abdominis fasciis, 

 femoribus apice tibiis tarsisque, ochraceo-aurautiacis. Alis 

 hj'alinis, costa infuscata. 



Long. 10 mm. 



? . Black ; a short line in the sinus of the eyes, a spot 

 behind the eyes, anterior margin of pronotum laterally, outer 

 half of tegulse, irregular apical fascise on abdominal tergites 

 1-3, that on tergite 2 considerably the broadest, sternite 2 

 on the sides at apex, femora at extreme apex, tibia3, and tarsi 

 orange-ochraceous. 



Wings hyaline, the costal area infuscate. 



