216 MJJTILLIDJE. 



79. Mutilla albomaculata. 



Female. Length 3|-4 lines. — Black ; the head clothed with white 

 pubescence, and of the same width as the thorax. The thorax 

 clothed above and at the sides with white pubescence ; the meta- 

 thorax black ; the legs with white pubescence above. Abdomen 

 with a spot on the basal segment, which is small and subpetiolate, 

 the second segment with four oblong-ovate spots, placed trans- 

 versely in the middle, the lateral ones longest, and a central spot 

 on the three following segments, of snow-white pubescence ; 

 beneath, the second and third segments fringed with similar pubes- 

 cence. 



Hab. Chili. 



80. Mutilla erratica. 



Female. Length 3 lines. — Black, and adorned with silvery-white 

 markings. The head and scape of the antennae with white pubes- 

 cence. Thorax above, the sides, and hinder portion with white 

 pubescence ; the truncation black ; the legs thinly sprinkled with 

 white. The basal segment of the abdomen with a patch of white 

 pubescence on each side, that on the apical segment, on the apical 

 margin of the second, and also that on the third segment white, 

 the two latter more or less interrupted in the middle. The white 

 pubescence is intermixed with long white hairs, the black with 

 long black hairs. 



Hab. Mendoza. 



Div. III. Males with two submarginal cells in the anterior wings. 

 (Sp. 81-86.) 



81. Mutilla rufoscutellata. 



Male. Length 6^ lines. — Black, pubescent, very closely punctured, 

 the metathorax most strongly so ; the scutellum convex, prominent, 

 and ferruginous. Head very large, quite as wide as the thorax, 

 and subquadrate; the scape fringed beneath with white pubes- 

 cence. The wings dark fuscous, the anterior pair with two sub- 

 marginal cells, the second incomplete, the second transverso-median 

 nervure only commenced. Abdomen with the basal segment small 

 and subpetiolate, its apical margin fringed with white pubescence, 

 the second segment, as well as the head and thorax, having a little 

 scattered white pubescence at the sides. 



Hab. Parana. 



The form of this species resembles that of the Vespid Tatua 

 morio. 



