56 HYMENOPTERA. 



the apex, and on each side an obtuse tooth near its base ; the 

 abdomen is strongly punctured and shining. 



Hab. Vera Cruz. 



276. MUTILLA CRUX. 



Female. Length 4 lines. — Black, head a little wider than the 

 thorax, rounded behind; the face and vertex adorned with 

 golden pubescence ; the scape, two basal joints of the flagellum 

 and the mandibles pale ferruginous, the latter black at their tips. 

 Thorax elongate, narrow and unarmed at the sides, having a 

 central longitudinal stripe of golden pubescence ; the legs ferru- 

 ginous. Abdomen clothed with very short black pubescence; 

 a central longitudinal line of golden pubescence extends from 

 the base to the apex, crossed by a similar line towards the apex 

 of the second segment. 



Hab. Columbia. (Coll. W. W. Saunders, Esq.) 



277- MUTILLA INSTGNIS. B.M, 



Female. Length 8-9 lines. — Black, clothed with short black 

 pubescence ; head as wide as the thorax, quadrate, the posterior 

 angles rounded ; the face clothed with golden pubescence, having 

 a narrow line of black down the centre not extending to the in- 

 sertion of the antennae ; the antennae pale rufo-testaceous ; the 

 mandibles dark rufo-piceous. Thorax scarcely as wide as the 

 head anteriorly, posteriorly narrowed beyond the middle ; at the 

 anterior angle of the contraction, on each side, a stout sharp 

 tooth ; at the anterior angles of the metathorax laterally an obtuse 

 tubercle ; the mesothorax having a transverse broad band, angu- 

 larly emarginate anteriorly, of pale golden pubescence ; the meta- 

 thorax has a broad stripe of the same on each side ; the legs 

 clothed with pale golden, or inclining to an ochraceous pubes- 

 cence. Abdomen : the basal segment clothed with pale golden 

 pubescence, and having a black rounded spot in the middle ; the 

 second segment has on each side a large subovate spot clothed 

 with very short dense pale golden pubescence ; the four apical 

 segments are clothed with a similar pubescence, and have a line 

 of black pubescence down their centre, narrowest towards the 

 apex ; the segments beneath have their margins fringed with pale 

 glittering pubescence ; the black pubescence of the entire insect 

 sprinkled with long erect black hairs, and the yellow pubescence 

 with erect yellow ones. 



Hab. Columbia. (Coll. W. W. Saunders, Esq.) 



