No. 22.] HYMENOPTERA OF CONNECTICUT. 7I 



12. Mesonotum with median lobe densely punctate and lateral 



lobes almost smooth; postocellar area densely, finely punc- 

 tate, and posterior orbits almost smooth; vertical furrows 

 sharp and distinctly cut; body black, with collar, tegulse, 

 abdominal segments one to five, and legs beyond the mid- 

 dle of coxae, rufous; wings slightly infuscated. Length 



8 mm minusculus 



Mesonotum with median lobe not more densely punctate 

 than lateral lobes; postocellar area and posterior orbits 

 uniformly punctate; body black, with pronotum in front 

 irregularly, abdominal segments one to four, segment five 

 at base, apical half of front coxae, front femora and tibiae, 

 middle femora and tibiae, except a black spot above at 

 apex, and knees in part, rufous; tegulae white; wings hya- 

 line. Length 8 mm luctatus 



13. Mesonotum with the impunctate area of lateral surface of lat- 



eral lobes not extending to median lobe; vertical furrows 

 linear, definite, sharply cut, three times as long as broad; 

 head with a transverse furrow extending between eyes and 

 behind ocelli; head uniformly punctate; body black, with 

 pronotum entirely, median lobe of mesonotum, and upper 

 half of mesoepimeron, rufous; wings slightly infuscated. 



Length 10 mm neocoUaris 



Mesonotum with the impunctate area of lateral surface 

 of lateral lobes extending distinctly to median lobe; verti- 

 cal furrows punctiform, indefinite, as broad as long; head 

 uniformly, finely punctate; body rufous, with head, anten- 

 nae, lateral lobes of mesonotum, scutellum at middle, pec- 

 tus, saw-guides, stigma on its outer half, legs, except 

 knees of front pair, black; wings infuscated at middle. 

 Length 9 mm icterus 



14. Surface of apex of scutellum wholly or in part punctate 15 



Surface of apex of scutellum wholly or in part striate 16 



15. Surface of apex of scutellum uniformly finely punctate; verti- 



cal furrows distinct; postocellar area and posterior orbits 

 uniformly, closely punctate; lateral lobes of mesonotum 

 more finely and densely punctate than the median lobe or 

 scutellum; body black, with pronotum, median lobe of 

 mesonotum, and upper half of pleurae rufous; wings sub- 

 hyaline, clouded at apex. Length 12 mm refugus 



Surface of apex of scutellum longitudinally striate at middle 

 and punctate at sides; vertical furrows narrow, line-like, 

 distinct; postocellar area more finely and densely punctate 

 than posterior orbits; median lobe of mesonotum and 

 scutellum finely densely punctate, lateral lobes smooth 

 with distant punctures; body black, with abdominal seg- 



