314 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Length 6-8 mm.; areolet petiolated; exserted portion of ovi- 

 positor somewhat shorter than body pleuralis 



7. Abdomen above reddish and black or yellowish and black. . 8 

 Abdomen above entirely reddish; thorax black 15 



8. Base and apex of abdomen black 9 



Base or apex of abdomen black, but not both 13 



9. Legs mostly pale yellowish, hind femora and tarsi black- 



ish; scutel more or less yellow 10 



Legs at least partly reddish 12 



10. Pale portion of abdomen above yellow or yellowish red. 



Length 11.5-12 mm .varia 



Pale portion of abdomen above reddish li 



11. Hind coxae yellow at apex and without a long yellow stripe 



Length 11 mm appalachia 



Hind coxae yellow at apex and with a long yellow stripe 

 Length 13.5 mm relativa 



12. Scutel black; length 7-8 mm.; exserted portion of ovipositor 



as long as or a little longer than body frigida 



Scutel yellow. Length 7-9 mm. (male) philipi 



13. Base, only, of abdomen black 14 



Apex, only, of abdomen black; length 7-8 mm.; exserted por- 

 tion of ovipositor about as long as abdomen agilis 



14. Legs entirely black; length 12 mm.; exserted portion of ovi- 



positor about as long as body americana 



Legs mostly reddish to stramineous, partly brown and yel- 

 low (male) philipi 



15. Scutel black; length 9 mm.; exserted portion of ovipositor 



about 9 mm. long exilis 



Scutel more or less yellow; exserted portion of ovipositor 

 and body as long as in exilis rubrica 



*L. (Nadia) appalachia (Viereck). 



*L. cressoni, new name. L occidentalis Cresson (preoccu- 

 pied). 



*L. punctulata (Cresson). 



*L. rubrica (Cresson). 

 New Haven, 10 July, 1905, Scotland, 10 August, 1905 (B. H. 

 W.) ; West Haven, 27 September, 1905 (H. L. V.). 



*L. exilis (Cresson). 



*L. philipi Viereck (new species). 



Head and thorax mostly black; abdomen mostly pale; scape 



and pedicel in front, face beneath antennae and along the inner 



eye margins above the insertion of antennae, superior and inferior 



margins of pronotum, a mark on each side of mesonotum. 



