292 HYMENOPTERA. 



of the abdomen ferniginous; the abdomen above is scattered 

 over with short gUttering hairs. 



Hab. North America (Trenton Falls). (Coll. W. W. Saun- 

 ders, Esq.) 



Div. 2. Abdomen black. 



59. Larrada argentata. B.M. 



Larra argentata, Pal. de Beauv. Ins. Afric. et Amer. 119. t. 3. f. 9. 

 Say, Bost. Journ. i. 370. 



Hab. United States. 



60. Larrada distincta. B.M. 



Female. Length 5 lines. — Black : the scape at its apex be- 

 neath and the tips of the mandibles ferruginous ; the clypeus 

 with a few large punctures. The mesothorax and scutellum very 

 finely and closely punctured ; the metathorax with a central 

 longitudinal impressed line, on each side being obliquely striated, 

 the striation slightly curved ; the margin of the truncation ru- 

 gose, beneath which it is transversely striated ; wings hyaline, 

 the nervures and tegulae rufo-testaceous ; the two apical joints 

 of the tarsi rufo-testaceous. Abdomen smooth and shining, the 

 apical segment with scattered punctures. 



Hab. New York. 



Veiy like arcuata, but at once distinguished by the sculpture 

 of the metathorax. 



61. Larrada Pennsylvanica. B.M. 



Larra Pensylvanica,PaZ.c^eBeaMtJ./ras.4/ne. e^^m^r. 118.t.3. f.8. 

 Hab. St. John's Bluif; East Florida; North America. 



62. Larrada canescens. B.M. 



Female. Length 5 lines. — Black : thinly covered with short 

 cinereous pubescence, the abdomen being covered above and 

 beneath; the head, mesothorax and scutellum strongly punc- 

 tured ; the metathorax shagreened ; the flagellum much thick- 

 ened towards the base, which is again more slender ; the wings 

 brown, the posterior pair clearer at the base ; the anterior tibifc 

 and tarsi obscure ferruginous. Abdomen : on the apical margins 

 of the segments the pubescence is bright and silvery, observable 

 in different lights. 



Hab. Georgia. 



