NORTH AMERICAN HYMENOPTERA. 205 



head and thorax strongly punctured; the eyes emarginate; the face and the 

 nietathorax with thin white pubescence, the latter with large shallow punctures, 

 a little silvery pile at the basal margin of the metathorax and also behind the 

 wings, the latter with three submarginal cells ; abdomen with fine, scattered 

 punctures, and the segments fringed with ferruginous pubescence. Length 9-15 

 mm. ( Smith. ) 



Hab. — Mexico, Orizaba, 



Mutilla terininata Smith. 



Male. — Head, thorax, legs and the base and apex of the abdomen black, the 

 latter otherwise clothed with bright scarlet pubescence ; the eyes ovate ; the 

 head, thorax anteriorly, and the scutellum with pale fulvous pubescence ; wings 

 witb two submarginal cells, dark fuscous at their apex, pale towards their base ; 

 the abdomen more or less ferruginous beneath. Length 9 mm. (Smith.) 



Hab. — Mexico, Orizaba. 



31 lit ilia nana Smith. 



Male. — Black ; punctured, with the disc of the thorax and abdomen shining ; 

 head the width of the thorax, thinly covered With white pubescence ; the eyes 

 ovate ; the scape of the antennae and the mandibles obscurely ferruginous ; the 

 metathorax with large shallow punctures ; the anterior wings fuscous, darkest 

 in the marginal cell, with three submarginal cells; legs fusco-ferruginous ; ab- 

 domen finely punctured ; the apical margins of the segments thinly fringed with 

 white pubescence. Length 6.5 mm. (Smith.) 



Hab. — Mexico, Orizaba. 



DIVISION III. 



Neuration as represented by figure 9, except that the third sub- 

 marginal cell is obsolete; first abdominal segment as in figure 10. 



Fig. 9. Fig. 10. 



Mutilla copano Blake. 



Male-. — Head and thorax black, coarsely reticulate ; head subquadrate, not quite 

 as wide as the thorax, thinly clothed with short silvery hairs; antennae black, 

 scape punctured, mandibles ferruginous before the tips ; eyes ovate, emarginate ; 

 thorax robust, narrowed behind, anterior angles of prothorax produced into acute 

 teeth, posterior margin carinate, sides of mesothorax dilated, clothed with silvery 

 pubescence, metathorax roundly truncate; wings pale fuliginous, hyaline at 

 base ; marginal cell sublanceolate, obliquely truncate at tip, first and second sub- 

 marginal cells about equal, the second subtriangular, receiving the recurrent 

 nervure beyond the middle, third obsolete ; second discoidal cell large ; tegulse 

 large, ovate, closely punctured, posteriorly ferruginous ; legs black, thinly clothed 



