278 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BulL 



clear except stigma, which is bjown, and veins, which 

 are concolorous with stigma; legs, including coxae, stra- 

 mineous; tarsi of fore and mid legs, near claws, dusky; 

 tarsi of hind legs a little dusky except .on basal two- 

 thirds of first joint, darkest near claws; abdomen black, 

 with a yellowish band in middle, posterior edge of second 

 and anterior two-thirds of third dorsal segment, yellow; 

 ovipositor not quite as long as abdomen is wide; body 4 



mm. long pieridicola 



Front below antennae mostly blackish, antennae brownish 

 throughout; tegulse brownish stramineous; base of wings 

 yellowish; legs brownish stramineous, tips of hind femora 

 concolorous with remainder of this member and without 

 an annulus of brown, which latter, however, exists at tips 

 of the hind tibiae; abdomen black, except a pale, seem- 

 ingly yellowish, apical edge to the dorsal segments; ex- 

 serted portion of ovipositor a little longer than greatest 

 width of abdomen; length of body 3 mm.; otherwise about 

 the same as in description of pieridicola as detailed above 



Calais 



3. Thorax mostly black or rufous 4 



Thorax mostly yellow or marked with yellow-brown, or 



mostly yellow-stramineous, or mosty stramineous. ... S 



4. Thorax mostly reddish; eyes and ocelli black, antennae fus- 



cous, except toward their bases; upper surface of thorax 

 fuscous in some individuals; hind knees slightly dusky, 

 tips of hind tibiae distinctly dusky; wings hya- 

 line, veins and stigma dusky; abdomen translucent, 

 yellowish white in its central third, remaining two- 

 thirds piceous black, with a distinct, narrow, yellow- 

 ish annulus at base of third dorsal segment; or basal ab- 

 dominal joint and articulations of apical third of abdo- 

 men light reddish; head in addition mostly reddish; head 

 of female from mouth up, piceous; male with its thorax 

 piceous black; ovipositor dusky, its exserted portion slightly 

 longer than greatest width of abdomen. Length of body 



2-3 mm vitreus 



Thorax mostly black; scape and pedicel, face below anten- 

 nae, lower half of cheeks, tegulae, extreme bases of front 

 wings, part of collar or pronotum, legs, including coxae (ex- 

 cept a brownish annulus at tips of hind femora), and apical 

 edge of second dorsal abdominal segment, more or less yel- 

 low or yellowish; parts of head not mentioned above, black; 

 third dorsal abdominal segment mostly brownish yellow; 

 abdomen beneath mostly pale brownish; exserted portion of 

 ovipositor not quite as long as greatest width of abdomen 



