MUTILLA. 213 



apical margin of the basal segment of the abdomen, and a small 

 triangular spot at the base of the second in the middle, of white 

 pubescence ; the apical margin of the second segment has a fascia 

 of white pubescence. 



Hah. Ega. 



70, Mutilla parasitica. 



Female. Length 5| lines. — Black, with two large ovate golden- 

 yellow maculae on the second segment of the abdomen. Head wider 

 than the thorax, subquadrate, finely granulated, and with scattered 

 erect black hairs. Thorax granulated, the sides parallel to one 

 third of its length, where there is a small tooth, thence narrowed 

 to the base of the metathorax, which is covered with long silvery- 

 w^hite pubescence and has the lateral margins rounded. The third, 

 foui'th, and fifth segments of the abdomen with white pubescence ; 

 the apical segment rugose, and with a mixture of black and brown 

 pubescence. 



Hah. Brazil, Constancia. 



71. Mutilla spinifera. 



Female. Length 4^ lines. — Black ; the head and thorax very closely 

 punctured. Head rather wider than the thorax, subquadrate, 

 slightly narrowed from the eyes to the posterior lateral angles, 

 which are acute. Thorax constricted at the base of the metathorax, 

 having four small blunt teeth at the anterior lateral margins, and 

 four acute teeth, or spines, on each lateral margin of the meta- 

 thorax. The apical margin of the basal segment of the abdomen, 

 and the third and following segments, with silvery- white pubes- 

 cence ; two large, uniting, ovate, pale ferruginous maculae on the 

 second segment. 



Hah. Para. 



72. Mutilla simulatrix. 



Female. Length 3-4 lines.— Black, and with two large, united, ovate, 

 reddish-yeUow maculae on the second segment of the abdomen. 

 Head and thorax rugose, the former as wide as the thorax, and 

 thinly sprinkled with white pubescence, as is also the thorax above ; 

 the latter has the anterior margin slightly arched, and from thence 

 gradually narrow^ed to the apex; the tarsi and the posterior 

 tibiaj with fine silvery-white pubescence. The first, second, and 

 third segments of the abdomen with silvery-white pubescence ; the 

 apical segment wich a little long pale fulvous pubescence. 



Hah. Ega. 



