No. 22.] HYMENOPTERA OF CONNECTICUT. 95 



at base, collar, tegulae, line on pleurse, front legs beneath 

 and base of femora and tibiae above, middle legs except 

 at apex of femora above and a ring on apices of tibiae 

 and apices of tarsal segments, hind legs (except base of 

 coxae, apical two-thirds of femora, ring at base and apical 

 fourth of tibiae, and ring on apices of tarsi) white. Length 



9 mm lineata 



Mesopleurae uniformly densely punctate; body black, with 

 clypeus, labrum, collar, tegulse, round spot on pleurse, 

 front and middle femora, hind legs with apices and spot 

 on side of coxae, trochanters, ring on base and apex of 

 femora, middle of tibias, tarsi with ring at apex of each 

 segment and base of metatarsus, white. Length g mm. 



punctata 



15. iAntennal area no more densely punctate than postocellar 



area 16 



Antennal area distinctly more densely punctate than post- 

 ocellar area 17 



16. Antennal area with a distinctly rounded, pit-like median 



fovea; body black, with apex of labruni, collar and tegulae 

 narrowly, front legs beyond coxae and beneath except 

 basal third of femora, middle legs beyond coxae (except 

 femora, ring at apex of tibiae, and apices of tarsi), an 

 elongate spot on hind coxae, their apices, hind tarsi except 

 at apices of segments, basal half of hind metatarsi, and 



hind margin of basal plates, white. Length 9 mm mixta 



Antennal area without any indication of a median fovea; 

 body black, with clypeus, labrum, mandibles at base, line 

 on collar and tegulae, front and middle legs beneath ex- 

 cept middle fempra, an elongate spot on hind cox^, hind 

 trochanters, ring at base of hind femora, ring at middle of 

 hind tibiae, hind tarsal segments except ring at apex, and 

 hind margin of basal plates, white. Length lo-ii mm. 



pannosa 



17. Posterior coxae black, with a large outer white or yellow spot 18 

 Posterior coxae, except at tip, wholly black; body black, with 



clypeus, labrum, collar tegulae, legs (except base of coxae, 

 apex of front femora and tibiae above, apex of middle 

 femora and tibiae, apex of hind femora, base and apex 

 of hind tibiae and hind tarsi), and basal plates, yellow. 

 Length 10 mm proximata 



18. Front and middle femora black on basal half; body black, 



with clypeus, labrum, collar, tegulae, apical half to two- 

 thirds of coxae, trochanters, apical fifth of front and middle 

 femora, front and middle tibiae except a line above and a 

 ring at apex, front and middle tarsi except at apex, basal 

 fourth of posterior femora, a ring on middle of posterior 

 tibiae, and tarsi except at apex, yellow. Length 10 mm. .flavicoxa 



