226 mutillid^:. 



111. Mutilla nana. 



Male. Length 3 lines. — Black, punctured, with the disk of the 

 thorax and abdomen shining. Head the width of the thorax, thinly 

 covered with white pubescence ; the eyes ovate ; the scape of the 

 antennae and the mandibles obscurely ferruginous. The metathorax 

 with large shallow punctures ; the anterior wings fuscous, darkest 

 in the marginal cell, with three submarginal cells ; legs fusco- 

 ferruginous. Abdomen finely punctured ; the apical margins of the 

 segments thinly fringed with white pubescence. 



Hah. Mexico, Orizaba. 



Div. II. With the thorax ferruginous. (Sp. 112-116.) 

 112. Mutilla derelicta. 



Female. Length 6 lines. — Head, antennae, legs, and abdomen black, 

 thorax ferruginous. Head and thorax rugose, the former the same 

 width as the latter, which is elongate, with the lateral margins 

 nearly parallel, being very slightly narrowed in the middle and 

 rounded anteriorly and posteriorly ; the legs with a thin, pale 

 pubescence ; the spines at the apex of the tibiae, and also those at 

 the apex of the joints of the tarsi, pale ferruginous. The apical 

 margin of the basal segment of the abdomen, a large oblong patch 

 on each side of the second segment at its base, a broad fascia on its 

 apical margin, and the following segments covered laterally with 

 yellowish-white pubescence. 



Hah. Aceytuno, Central America. 



113. Mutilla ferruginea. 



Female. Length 6 lines. — Ferruginous, rugose ; the head wider 

 than the thorax, subquadrate, the hinder angles acute, the poste- 

 rior margin nearly straight, densely covered above with pale 

 golden-coloured pubescence, that on the cheeks is thin and silvery 

 white. Thorax oblong, pyriform, with a thin, short, pale golden 

 pubescence, and, as well as the head, thinly sprinkled with erect 

 pale hairs ; the legs with thin pale pubescence ; the intermediate 

 and posterior tibiae with black spines. The first segment of the 

 abdomen small, and with a spot of silvery-white pubescence ; the 

 second segment with a subovate patch of black pubescence in the 

 middle towards its basal margin, its apical margin with black 

 pubescence ; the third, fourth, and fifth segments with silvery- 

 white pubescence in the middle, that at the sides of the apical 

 segment being black; beneath, the segments are fringed with 

 white. 



Hah. Mexico, Orizaba. 



