CAMKBON, POSSORE8. 215 



23 (2-i) Thorax entirely red. cana. 



24 (23) Thorax not entirely red. 



25 (30) Pro- and mesonolum red, the melnnoliini black. 



26 (29) Ahdonien black. 



27 (28) Large, robust, the base of wings hyaline, leguhe red. (Barymutitta) semyra. 



28 (27) Small, slender, the base of wings not hyaline, the tegulne black. mitana. 



29 (31) Abdomen blue. pulchricolorata. 



30 (25) Tlie metanotum red, the pro- and mesonotum black. artatana. 



31 (35) Abdomen more or less red, the thorax black. 



32 (35) Basal segment of abdomen red. 



33 (34*) The 2nd and 3rd segments red, the wings dark fuscous violaceous from the transverse basal 



nervure. puMiridecorafa. 



34 (33) The 2nd and 6th segments red, the wings hyaline, only slightly infuscated at the apex. 



amabilis. 



35 (31) The basal segment of abdomen black, the 2nd and 3rd red. ruhama. 



Mutilla (lamina, sp. nov. 



Black, the prothorax except the lower half of the pleurae, the mesonotum and the 

 scutellum red, the hair long, on the upper part of the head, thorax and abdomen black, 

 on the other parts and the legs white, the spurs white; wings dark fuscous violaceous, 

 the nervures black, the 1st and 2nd abscissae of radius equal in length, half the length 

 of the 2nd; the recurrent nervures are received near the base of the apical third of (he 

 cellule. Basal three fourths of ventral keel broadly rounded, the smaller apical part 

 clearly separated, not extending so far downwards. Sides of pygidium closely, strongly 

 punctured, the central (and larger) part smooth, dilated almost into a tooth at the apex, 

 which is red and broadly bluntly rounded. Scutellum large, bluntly conical. Head and 

 thorax closely, somewhat strongly punctured, the metathorax reticulated; its basal central 

 area extending to the middle, its base widened, the apex sharply lanceolate. Basal slope 

 of mesonotum with a smooth, raised line. Base of mandibles densely covered with 

 silvery pubescence. Palpi black, tf. 



Length 15 mm. 



Usambara: Tanga. 



Temples broadly rounded and narrowed ; the occiput transverse. Face bare, smooth 

 and shining. The 2nd antennal joint small, narrowed obliquely at the base; the 3rd about 

 one fourth longer than the following. Lateral furrow on 2nd abdominal segment bare. 



Mutilla cana, sp. nov. 



Black, the thorax red, the pubescence long, on the front and vertex, pro-, meso- 

 nolum and scutellum, black, on the other parts white; the apices of the abdominal seg- 

 ments with narrow bands of white pubescence; scutellum sharply conical, distinctly raised 

 over the mesonotum, narrowed to a transverse point above; head, pro- and mesothorax 

 strongly rugosely punctured, the punctures running into reticulations on the lower part 

 of the pro- and mesopleune. Metathorax, slrongly on the back, weakly and irregularly 



