XORTH AMERICAN HYMENOPTEKA. 205 



heiid and thorax strongly ininctured ; the eyes eniarginate; the face and the 

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

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

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

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

 mm. ( Smith. 1 



Hab. — Mexico, Orizaba. 



jVlutilla terininata Smith. 



Male. — Head, thorax, legs and the base and ax>ex of the abdomen black, the 

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

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

 with 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. 



]flntilla nana Smitb. 



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 antennse 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 a]iical margins of the segments thinly friuged with 

 white i)ubescence. Length 6.5 mm. (Smith.) 



Hab. — Mexico, Orizaba. 



DIVISION HI. 



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 marginal cell is obsolete; first abdominal segment as in figure 10.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



]flutilla copano Blake. 



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

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

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

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

 teeth, iiosterior 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 



