MtTXILLA. 197 



in the middle ; the third segment covered with similar pubescence ; 

 beneath, the segments are fringed with pale pubescence ; the second 

 segment with a central longitudinal carina. 



Hah. Angola. 



23. Mutilla rufofemorata. 



Male. Length 8| lines. — Head, antennae, thorax, tibiae, and tarsi 

 black ; femora ferruginous, coxae black ; abdomen dark purple. The 

 head and thorax rugose; the latter with a central longitudinal 

 carina, an abbreviated channel on each side, not extending to the 

 anterior margin, and a short carina near the tegulas ; the scutel- 

 lum produced into an obtuse tubercle; wings dark brown, with a 

 bright violet iridescence, the metathorax with the sides rounded 

 and slightly widened posteriorly, with a longitudinal channel in 

 the centre and an abbreviated lateral one. The abdomen finely 

 and distantly punctured. The insect sprinkled with erect black 

 pubescence. 



Hah. Western Africa. 



24. Mutilla versuta. 



Mah. Length 6| lines, — Black, with the pro- and mcsothorax and 

 seutellum ferruginous ; eyes cmarginate ; wings with three subniar- 

 ginal cells. Head the same width as the thorax, strongly punc- 

 tured, most closely so on the face, which, as well as the mandibles, 

 has a thin, erect white jiubescence, that on the vortex black. The 

 mesothorax and scutellum closely punctured ; the metathorax with 

 large, very shallow punctures ; wings dark fuscous, and with a 

 purple iridescence ; the tegulae smooth, shining black ; the thorax 

 has on the sides beneath, and also on the legs, a thin, erect, white 

 pubescence. Abdomen subpctiolate, smooth and shining, and with 

 a few fine scattered punctures ; the apical segment strongly punc- 

 t urcd, with a smooth central longitudinal line. 



Hah. Fernand Vaz River, West Africa. 



25. Mutilla ignava. 



Female. Length 7 lines. — Black ; the head very large, wider than 

 the thorax, and coarsely rugose ; the eyes placed forwards, near to 

 the insertion of the mandibles. The thorax oblong, narrower be- 

 hind and coarsely rugose, and, as well as the head and legs, sprinkled 

 with erect cinereous pubescence. Abdomen slightly shining and 

 rather finely longitudinally rugulose ; the first segment with two 

 jiale gold-coloured pubescent maculae ; the second segment with a 

 -imilar macula in the middle of its apical margin ; the third seg- 

 ment with a broad interrupted fascia of the same colour, which 



