42 HYMENOPTERA. 
206. MuTILLA CRUCIATA. B.M. 
Female. Length 3 lines.—Head and thorax ferruginous, the 
former quadrate, the posterior 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 antenne 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. MuriLLa DIADEMA. B.M. 
Mutilla Indica, Linn. Syst. Nat. i. 966. 3. 
Mutilla diadema, Fabr. Ent. Syst.ii.367.4 ; Syst. Piez.p.429.5, 
Oliv. Ency. Méth. viii. 55. 2. 
Gmel. Ed. Syst. Nat. 1. 2805. 10. 
Latr. Act. Soc. Hist. Nat. Par. i. 7. 1. 
Klug, Nova Acta Ces. Curios. x. 314.159. t. 22. f. 12. 
St. Farg. Hym. ii. 619. 39. 
Hab. Brazil (Para) ; Surmam; Demerara. 
208. MuT1ILLA FENESTRATA. 
Mutilla fenestrata, Klug, Nova Acta Ces. Curios. x. 311.11. 
RL RE Gee 
Hab. Brazil (Para). 
209. MuTILLA GRACILIS. B.M. 
Male. Length 33 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 pubescence, 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 tegule 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). (H.W. Bates.) 
