200 CHARLES A. BLAKE. 



This species is closely allied to Sayl, and may be only a variety ; 

 it difiers, however, in having the basal abdominal segment ferru- 

 ginous, and disc of metathorax the same color. 



IVIutilla exiiiiia n. s]). 



Male. -'lle-cu\ rounded, not as wide a.s thorax, clothed with erect pale hairs; 

 mandibles castaneous, scajie of antennje ferruginous, flagellum pruinose ; eyes 

 ovate, very finely reticulate ; thorax ovate, pro- and niesothorax black above, 

 rugose, clothed with pale yellowish pubescence ; metathorax rufous, closely punc- 

 tured, pectus black ; legs dark fuscous, thinly clothed with pale hairs ; wings 

 fuscous, paler about the middle, marginal cell ovate, truncate at tip, first submar- 

 ginal cell as large as the marginal, second submarginal subtriangular, receiving 

 the first recurrent nervure near the base, third submarginal subpentagonal, its 

 outer nervure sinuate and confluent with the second recurrent ; tegulte casta- 

 neous, finely punctured ; abdomen elongate ovate, rufo-castaneous, basal segment 

 petiolate, closely punctured, clothed with erect pale hairs ; second segment finely 

 punctured, paler on its apical half, thinly clothed with erect fuscous hairs; apical 

 margins clothed with fuscous, mixed with pale glittering hairs; ventral surface 

 same as above. Length 8 mm. ; expanse of wings 13 mm. 



Hab. — Arizona. 



Allied to M. fioridensis Blake, but can be distinguished by the 

 thorax being black above. 



Mutilla leoiia Blake. 



F'emule.--il(iiu\ round, as wide as the thorax, ferruginous, closely covered with 

 elongate punctures ; mandibles ferruginous, the tips black ; eyes large, ovate, 

 entire ; thorax quadrate, ferruginous, closely punctured, lateral declivities smooth, 

 metathorax coarsely reticulate, abrui)tly truncate ; legs rufo-testaceous, thinly 

 clothed with pale hairs, calcaria pale ; abdomen ovate, black, clothed with ap- 

 pressed black pubescence, basal segment testaceous, its apical margin fringed 

 with pale golden pubescence : second segment having two short longitudinal 

 stripes of pale golden pubescence ; jdaced laterally near the base ; apical margin 

 and remaining segments, except the middle of the third and fourth, clothed with 

 pale golden pubescence. Length 5.5 mm. 



Hab. — Mexico. Prof. F. Sumichrast. 



Mutilla palliceps Crcsson. 



Female. — Head densely clothed with pale ochraceous pubescence ; mouth and 

 antenna? rufo-piceous, the latter blackish towards the tips; thorax densely and 

 roughly punctured, blackish brown above, clothed with reddish pubescence, 

 beneath and behind rufo-piceous, sides without distinct tubercles ; pleura con- 

 cave ; metathorax subquadrate, scarcely nari«owed behind, the jiosterior face 

 rather abrupt, the lateral margins dentate ; legs rufo-piceous, clothed with ochra- 

 ceous i)ubescence ; the tibiie with a row of long acute spines; abdomen subovate, 

 much narrowed towards the tip, convex above, closely punctured ; basal segment 

 small, somewhat campanulate, black, with the posterior margin densely clothed 

 with ochraceous pubescence, the base with a stout, obtuse tubercle on each side ; 

 second segment large, rufo-ferruginous, thinly clothed with ochraceous pubes- 

 cence; on the basal middle a subquadrate black patch, slightly margined on each 



