No. 22.] HYMENOPTERA OF CONNECTICUT. 319 



2. Legs yellowish red; hind pair varied with black or white or 



both 3 



Legs entirely yellowish red or red, sometimes infuscated. . . . 15 



3. Hind tibiae and tarsi entirely black or fuscous; length 8-14 



mm.; exserted portion of ovipositor a little longer than 



thorax pedalis 



Hind tibiae and tarsi blackish or dark brown, annulated with 

 whitish, or only the former annulated 4 



4. Hind tarsi entirely blackish or fuscous 5 



Hind tarsi not entirely blackish or fuscous 6 



5. Scutel black; tegulae and fore coxae black; length 6-10 mm.; 



length of exserted portion of ovipositor as in marginatus 



tenuicornis 

 Scutel black; tegulae white; fore coxae yellowish red; length 

 5-13 mm.; exserted portion of ovipositor a little shorter 

 than thorax marginatus 



6. More than one joint of hind tarsi partly whitish 7 



Only basal half of first joint of hind tarsi whitish; tibiae 



black and with a whitish annulus near base; antennae fus- 

 cous above, yellowish beneath, with black sutures; meso- 

 notum with two short white lines; scutel white. Length 

 8 mm picticornis 



7. Hind tarsi white, their joints tipped with blackish, with the 



exception of the fourth joint, at least in conqwisitor, which 



is entirely dark brown or black 8 



Hind tarsi with only first and second joints mostly white, 

 tipped with blackish; scape white; length 4-6 mm.; ex- 

 serted portion of ovipositor about as long as head and 

 thorax combined indagator 



8. Antennae brown or reddish 9 



Antennae pale yellowish, with black sutures; length 9-11 



mm.; exserted portion of ovipositor a little longer than 

 head and thorax combined -. annulicornis 



9. Dorsal abdominal segments without a whitish margin; areo- 



let complete 10 



Dorsal abdominal segments apically with a whitish margin; 

 length 5-15 mm.; exserted portion of ovipositor about 



as long as thorax or somewhat shorter conquisitor 



io. Pleurae black 1 1 



Pleurae more or less red; clypeus more or less, anterior 

 orbits, tegulae, a line before the scutel, and tip of scutel, 



white *4 



11. Head of female entirely black; face of male whitish 12 



Only clypeus, scape beneath, tegulae and most of fore and mid 

 legs, white. Length 6-9 mm. (male) alborictus 



12. Areolet sessile x 3 



Areolet petiolate inquisitoriellus var. investigator 



