560 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull, 



Abdomen obscure rufous or piceous, yellowish at base and 

 beneath 2 



2. Flagellum of antennae black pallidiventria 



Flagellum brownish yellow basally tertius 



3. Head and thorax distinctly and closely punctate punctatua 



Head and thorax smooth or nearly so 4 



4. Tegulae black pedalia 



Tegulse pale flaviscapua 



C. pallidiventris Ashmead. 

 Black, the abdomen brownish, the venter yellow. Scape, 

 part of pedicel, and legs pallid yellow. Tegulae yellowish. Wings 

 hyaline, the marginal cell almost closed. Body shining, but dis- 

 tinctly punctulate. Length 1.6 mm. 



C. tertius Dalla Torre. 



Head and thorax polished black. Abdomen rufous, yellowish 

 at the base. Legs brownish yellow. Wings subhyaline, slightly 

 tinged; stigmal vein long and curved. Length 0.8-1.2 mm. 



C. punctatus Ashmead. 



Black, finely and closely punctate, subopaque. Antennae 

 brownish yellow, apical half blackened. Tegulae dull rufous or 

 piceous. Wings subfuscous, stigmal vein long, almost forming 

 a closed marginal cell. Legs brownish yellow. Length 1. 1-1.6 

 mm. 



C. pedalis Ashmead. 



Polished black, with some sparse, minute punctures. Antennae 

 black. Legs brownish yellow. Wings subhyaline, or slightly 

 yellowish. Length 1.5 mm. 



C. flaviscapus Ashmead. 



Polished black, impunctate. Scape, pedicel, and legs yellow 

 or brownish yellow. Wings hyaline. Tegulae yellowish. Length 

 1 mm. 



Aphanogmus Thomson. 

 Key to Species. 



1. Mesonotum with a median furrow marylandicus 



Mesonotum without a furrow 2 



2. Wings with a fuscous band virginiensis 



Wings not banded pallidipes 



A. virginiensis Ashmead. 

 Polished black. Antennae and legs fuscous; the scape, 



