HYMENOPTERA. 49 
have a scattered silvery pubescence, the calearia white; the 
first recurrent nervure entering the second submarginal cell near 
its base. Abdomen petiolate, the first segment, base of the 
second, the third, fourth and fifth, clothed with silvery-white pu- 
bescence, the apical segments black ; the entire insect sprinkled 
with long pale glittering hairs. 
Hab. Brazil (Amazons). 
934. MuTILLA SABULOSA. 
Female. Length 53 lines.—Black, head and thorax closely and 
roughly punctured, the former quadrate, the posterior angles 
rounded. Thorax short, subquadrate, narrowed posteriorly, the 
mesothorax having on each side at its hinder angles a spot of 
silvery pubescence ; the legs have a scattered silvery pubescence, 
most dense on the basal jomt of the tarsi. Abdomen: the basal 
margin of the first segment denticulated; the second segment 
having on each side a large ovate red macula, which is glassy- 
smooth; the four apical segments clothed with silvery pubes- 
cence, having a denuded line down the centre ; the entire insect 
thinly sprinkled with black hairs. 
Hab. Brazil (Rio; Amazons). (Coll. W. W. Saunders, Esq. ; 
H. W. Bates.) 
235. MuTILLA FIDICULA. B.M. 
Female. Length 3-3} lines.—Pale rufo-testaceous, head and 
thorax roughened with confluent punctures, the thorax beimg 
longitudinally rugose ; eyes large, black and very prominent ; 
the flagellum fuscous above, except two or three of the basal 
joints, which are pale; tips of the mandibles black ; the vertex 
transverse, its posterior angles acute. Thorax fiddle-shaped, the 
entire lateral margins denticulate; tips of the femora and tibiz 
fuscous. Abdomen longitudinally rugose, more delicately so 
than the thorax; the second segment having at its basal margin 
laterally a round black or fuscous stain; the apical margin has a 
broad black fascia, emitting in the centre a black stripe which 
scarcely reaches the basal margin; the apical segment fuscous 
at the tip; the entire insect thinly sprinkled with long pale 
hairs. | 
Hab. Brazil (Ega on the Amazons). (H. W. Bates.) 
236. MuTILLA ARGYRA. 
Mutilla argyra, Spin. Ann. Soc. Ent. Fr. x. 85.516. 
Hab. Cayenne. 
D 
