88 CONNECTICUT GEOL, AND NAT. HIST. SURVEY. [BuU. 



femora and greater part of tibiae, which are black; abdomen 

 rufous, except basal plates and three tergal segments. Length 

 12 mm. secunda 



29. Pleurae black; body black, with clypeus, labrum, mandibles, 



orbits entirely except above, face about and beneath anten- 

 nae, collar, tegulae, margin of pronotum, V-spot, vittae on 

 mesonotum, metanotum at sides, spot above posterior 

 coxae, front legs except line above, middle legs beyond 

 coxae except greater part of femora and tibiae above, hind 

 legs beyond coxae except femora and tibiae above at apex, 



pale yellow. Length 14 mm lobata 



Pleurae with a large angular white spot; body black, with 

 clypeus, labrum, mandibles, orbits except above, broadly 

 behind, face above and below antennae, collar, tegulae, lat- 

 eral margin of pronotum, V-spot above posterior coxae, 

 large angulate spot on pleurae, pectus in great part, front 

 legs except point above at apex, middle legs except apical 

 half of femora and tibiae above, hind legs except apical 

 half of femora and tip of tibiae, and abdomen beneath, 

 white. Length 14 mm angulifera 



30. Abdomen in part pale 31 



Abdomen, including venter, black 45 



31. Tergum in part pale 32 



Tergum wholly black 44 



2,2. Mesopleuras wholly or in part pale 2;^ 



Mesopleurae wholly black 42 



22). Pectus pale 34 



Pectus black 41 



34. Posterior femora wholly or in part pale above 35 



Posterior femora wholly black above 39 



35. Posterior femora wholly pale 36 



Posterior femora in part black 38 



2,6. Abdomen wholly or in part black 37 



Abdomen wholly rufous; body black, with clypeus, labrum, 

 mandibles, cheeks, collar, tegulae, sides of pronotum, lower 

 half of mesopleurae, pectus, spot above posterior coxae, 

 sides of basal plates, coxae, trochanters, remainder of front 

 legs except a line above on femora, white; remainder of 

 legs except a line above on middle femora, and abdomen be- 

 yond basal plates, rufous. Length 11 mm frigida 



27. Abdomen wholly black above; body black, with clypeus, la- 

 brum, mandibles, cheeks, collar, tegulae, narrow line on 

 pleurae, spot above posterior coxae, sides of basal plates, 

 and a narrow band along the side of the abdomen, white ; legs 

 rufous with tip of middle femora, apex of posterior femora, 

 and apical half of posterior tibiae black; pectus more or less 

 rufous. Length 11 mm lineata 



