212 NORTH AMERICAN MUTILLIDAE 



Mutilla (^TimuUa) oajaca Blake 



1871. MutiUa oajaca Blake, Trans. Amer. Ent. Soc, 3:228, fig., c?, 9 . 



Diameter of the posterior ocelli .13 mm., their distance from 

 the eyes .58 mm., from each other .53 mm., from the front ocellus 

 .28 mm. 



Habitat. — Louisiana: [Amer. Ent. Soc.]. Texas: [Amer. Ent. Soc.]. 

 Mexico: [Amer. Ent. Soc.]. 



Type. — Mexico, in the Collection of the American Entomologi- 

 cal Society. 



Mutilla (TimuUa) rufosignata n. sp. 



o"'. Black, pronotum and mesonotum claret-brown, the abdomen except 

 the petiole and apex of the second and third segments burnt sienna; clothed 

 with erect, rather short, black pubescence, and also short, woolly, dirty-white 

 pubescence, the sternal parts with whitish pubescence, neither long nor dense; 

 disc of second dorsal segment with fine pale hairs, apex with moderately dense, 

 black, bristly hairs, as also of the third, fourth and fifth, where they are sparser; 

 sixth and seventh with sparse, erect, fine, white hairs, the former mixed with 

 shorter, coarser, reddish hairs; wings deeply infuscated. Length 13 mm.; 

 paratype 16 mm. 



Head coarsely punctate; the diameter of the posterior ocelli .15 mm.; their 

 distance from the eyes .49 mm., from each other .62 mm., from the front ocel- 

 lus .28 mm.; clypeus with a nearly fiat, semicircular, smooth and polished area, 

 the face between this and the base of the mandibles punctate and hirsute; 

 inferior border of the mandibles entire. Scape slightly pubescent, bicarinate 

 in front. 



Side pieces of pronotum with a weak vertical carina in front; scutellum con- 

 vex and rugosely punctate; mesopleura with a deep oblique fossa, interrupted 

 near the posterior border; mesosternum coarsely punctate, without tubercles, 

 but with a distinct anterior face which is pohshed and ahnost impunctate; 

 mesocoxae with rudimentary anterior tubercle and subapical tooth. 



Second ventral segment not ridged; fifth and sixth unarmed, seventh with 

 rudimentary tubercles and eighth with a weak obhque long ridge of chitin, 

 scarcely raised at all; polished ridge on pygidium short and rather narrow, the 

 arm of the Y-shaped carina not spreading very widely. 



This species is quite close in structure to both hexagona and 

 sayi. 



Type material. — Holotype: Everglade, Florida, April 11, 1912, 

 (Wm. T. Davis), [Cornell University, No. 112.1]. Paratype: 

 "Florida," [American Entomological Society]. 



