MUTILLA. 217 



82. Mutilla sordidula. 



Male. Length 6 lines. — Black ; the pubescence black, except that 

 on the scutellum, the first segment of the abdomen, the apical mar- 

 gin of the second, and the third segment (the two latter more or 

 less interrupted) white. The head the width of the thorax, rounded 

 at the sides. The wings dark fuscous, the anterior pair with two 

 submarginal cells ; a minute hyaline spot just beyond the second 

 submarginal cell. The interrupted white pubescent band on the 

 abdomen continued beneath ; the apical segments of the abdomen 

 fringed with long black pubescence ; the basal segment narrow 

 and subpetiolate. 



Hab. Mendoza. 



83. Mutilla fascinata. 



Male. Length 8 lines. — Black, and clothed with black and white 

 pubescence. Head much narrower than the thorax; the vertex 

 with white pubescence. Thorax with black pubescence, except a 

 little on the scutellum and the thin pubescence on the metathorax, 

 which is white ; the intermediate and posterior femora and tibiae, 

 as well as the inside of the basal joint of the posterior tarsi, with 

 white pubescence ; wings fuscous, their base, as well as the second 

 submarginal and half of the second discoidal cell, hyaline. Ab- 

 domen with the basal segment small, narrow, and subpetiolate ; 

 its apical margin and the base of the second segment laterally with 

 white pubescence ; the third and fourth segments densely covered 

 with white pubescence. 



Hab. Peru. 



84. Mutilla marginipennis. 



Male. Length 5 lines. — Black ; the anterior wings margined with 

 fuscous, and having a hyaline space beneath the marginal cell, 

 which extends a little beyond and also includes the second sub- 

 marginal and the second discoidal cells. The anterior wings with 

 two submarginal cells. Head narrower than the thorax, subquad- 

 late, and closely punctured. Thorax strongly and closely punc- 

 tured, the metathorax rugose ; the legs with black pubescence, that 

 on the tarsi short and white. Abdomen subpetiolate, the basal 

 segment clavate, closely punctured ; the first and second segments 

 with a narrow white marginal fringe ; the third and following 

 segments fringed with long black pubescence. 



Hab. Para. 



85. Mutilla tenuis. 

 Male. Length 3| lines. — Black ; head and thorax closely punc- 



