HYMENOPTERA. 49 



have a scattered silvery pubescence, the calcaria white ; the 

 lirst 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). 



234. MUTILLA SABULOSA. 



Female. Length 5^ 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 joint 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 being 

 longitudinally rugose ; eyes large, black and very prominent ; 

 the tiagellum 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 tibiae 

 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 apic:.l 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. 51 <? . 

 Hab. Cayenne. 



D 



