42 HYMENOPTERA. 



206. MUTILLA CRUCIATA. B.M. 



Female. Length 3 lines. — Head and thorax ferruginous, the 

 former quadrate, the jjosterior angles acute ; the cheeks produced 

 into an obtuse spine ; the posterior margin of the vertex and the 

 sides of the head fuscous ; the vertex more or less adorned with 

 silvery pile ; the antennae rufo-fuscous. Thorax fiddle-shaped, 

 the lateral margins denticulate; legs rufo-testaceous, differing 

 in depth of colouring. Abdomen : the base more or less rufo- 

 testaceous, a central narrow line of silvery pubescence runs from 

 base to apex, and a transverse fascia crosses the second segment 

 a little within the apical margin. 



Hab. Brazil (Para). 



207. MUTILLA DIADEMA. B.M. 



Mutilla Indica, Linn. Syst. Nat. i. 966. 3. 



Mutilla diadema, Fabr.Ent. Syst.\\.'S(d'J .A ; Syst.Piez.ip.429.5. 



Oliv. Ency. Meth. viii. 65. 2. 



Gmel. Ed. Syst. Nat. i. 2805. 10. 



Latr. Act. Soc. Hist. Nat. Par. i. 7- 1- 



Klug, Nova Acta Ccbs. Curios, x. 314. 15 $ . t. 22. f. 12. 



St.Farg. Hym. iii. 619. 39. 



Hab. Brazil (Para) ; Surinam ; Demerara. 



208. Mutilla fenestrata. 



Mutilla fenestrata, Klug, Nova Acta Ccbs. Curios, x. 311. II. 

 t. 22. f. 8. 



Hab. Brazil (Para). 



209. Mutilla gracilis. B.M. 



Male. Length 3\ lines. — Black, the head covered with a thin 

 griseous pubescence, on the clypeus it is silvery-white ; the 

 prothorax is thinly clothed with short silvery ])ubescence, but on 

 the metathorax and beneath the wings it is dense, and bright 

 silvery-white ; the eyes emarginate ; wings hyaline, their apical 

 margins slightly clouded, the tegulai large, produced behind, 

 and having a sharp ridge down the middle; the mesothorax 

 roughly sculptured ; the basal segment of the abdomen and the 

 apical margin of the second segment covered with bright silvery- 

 white pubescence ; the entire abdomen having a scattered long 

 silvery pubescence. 



Hab. Brazil (Para). (II. W. Bates.) 



