34 MUTILLIDA. 
@ Mutilla melanocephala. Fab. Ent. Syst. 2. 372. 27; Piez. 439; 
Oliv. Ency. Méth. 8. 65. 45 ; Coquebert, 1. p. 26. Pl. 6. f. 11. 
dimidiata. Wat. Actes Soc H. N. Paris, P. 11. No. 11. 
& Myrmosa atra. Panz. 85. 14. 
nigra. Lat. Gen. Pl. 13. f. 6. 
Head black, coarsely punctured ; face frequently ferruginous ; 
the basal half of the antennz red, beyond which they are piceous ; 
mandibles red, their apex piceous. 
Thorax entirely ferruginous, deeply punctured, shining ; 
legs red, spinose, and pubescent. 
Abdomen black, hirsute, shining ; “the first segment deeply 
punctured, the first, and sometimes the second, or its base and 
the margins of the rest, red ; the second and remainder covered 
with scattered punctures and a grey pubescence 9. 
The g differs in being entirely black, deeply punctured, co- 
vered with scattered grey hair; the wings slightly clouded, iri- 
descent, and their nervures black. 
In many Cabinets. 
tit The 9 has been found by myself at Hampstead, 
Highgate, and at Charlton, near Woolwich; the ¢ by Mr. 
Walker in the Isle of Wight, and on lime trees near 
London, by Mr. Newman at Birchwood, and Mr. West- 
wood at Coombe, and both sexes at Ripley, in Surrey, by 
Mr. Stephens. Its habits are not known; the g is found in 
sandy places, where doubtlessly the ¢ would occasionally 
frequent. The ¢ carries off the ¢ and copulates while 
flying in this genus as well as in Methoca. 
(c) The thorax of the ¢ nodose. 
Genus III, Mernoca. Lat. 
g- Heap subglobose; eyes oval and lateral; stemmata in a 
triangle high upon the vertex; antenne filiform, inserted at 
