NORTH AMERICAN HYMENOPTERA. 233 



tral segments fringed witli silvery pubescence ; first segment above clothed with 

 black hairs ; the remaining segments clothed with depressed reddish golden pu- 

 bescence ; legs black, with black hairs, spines black. Length 9 mm. 



Hab. — Mexico. 



Sphserophthalnia melanosoma Blake. 



Femnle. — Deep black, head rounded, with narrow lunate band of pale golden 

 l)ubescence between the eyes ; antennae black, scape clothed with fine glittering 

 hairs ; eyes round, prominent ; thorax subquadrate. narrowed posteriorly, coarsely 

 reticulated, anterior angles armed with a short tooth ; mesothorax with two sub- 

 ovate spots of pale golden pubescence, behind which, on the metathorax, are two 

 narrow longitudinal lines of the same; legs black, thinly clothed with glittering 

 white hairs, intermediate and posterior tibiie armed with a row of spines, calcaria 

 white, tipped with brown ; abdomen ovate, clothed with dense black pubescence, 

 second segment with two small, ovate, dusky fulvous maculas at the base, and 

 two larger ones of the same before the apical margin, on the middle of which is 

 a small round si)ot of pale golden pubescence, the apical segments adorned with 

 a row of similar spots; ventral segments and lateral sutures clothed with pale 

 golden pubescence. Length 16 mm. 



Hab. — Panama. Collection of Mr. Norton. 



Sphteroplitlialina iztapa Blake. 



Male. — Black ; head round, not as wide as the thorax, clothed with coarse ful- 

 vous pubescence ; antennse and mandibles black ; eyes round, prominent ; thorax 

 short, dilated at middle, pro- and disc of metathorax clothed with coarse fulvous 

 pubescence, the latter roundly truncate, coarsely punctured, clothed with long, 

 ])ale, erect hairs; wings fuliginous, subhyaline at middle, marginal cell subovate, 

 abruptly truncate at tip, second submarginal elongate, pointed towards the base, 

 near which it receives the recurrent nervure ; tegulse round, finely punctured ; 

 legs black, clothed with pale hair, calcaria long: abdomen ovate, second segment 

 finely punctured, with a broad, lunate, polished, dull yellowish band on the disc, 

 bearing a thin scattered pubescence, posterior margin and third segment clothed 

 with black pubescence, apical segments clothed with jiale fulvous ; under .side of 

 entire insect .sprinkled with jiale hairs. Length 13 mm. ; expanse of wings 23.5 mm. 



Hab. — Honduras. Collection of Mr. Norton. 

 This may prove to be the male of proserpina. 



jiiphseroplitlialnia proserpina Blake. 



Fenidlc. — Black ; head round, not as wide as the thorax, clothed with dense 

 bright cupreous pubescence ; autennse and mandibles black ; eyes round, promi- 

 nent; thorax robust, subquadrate, sides produced into an obtuse tooth, anterior 

 angles acute, mesothorax black, rugose; metathorax al)ruptly truncate behind, 

 clothed with dense bright ferruginous pubescence, having a central black patch 

 on the posterior surface ; legs black, finely punctured, clothed with silvery hairs, 

 intermediate and posterior tiliite armed exteriorly with long sharp spines ; ab- 

 domen ovate, closely punctured, basal segment dentate at base, second segment 

 with four pale luteous spots, thinly clothed with pubescence of the same color, 

 the two at the base round, those near the apical margin ovate, the fourth segment 

 and the sides of the othei's clothed with pale golden pubescence ; lateral carin?e 

 distinct ; under side of entire insect clothed with pale hairs. Length 12 mm. 



Hab. — Honduras. Collection of Mr. Norton. 



TRANS. AMEE. ENT. SOC. XIII. (30) SEPTEMBER, 1886. 



