560 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



Abdomen obscure rufous or piceous, yellowish at base and 

 beneath 2 



2. Flagellum of antennae black pallidiventris 



Flagellum brownish yellow basally tertius 



3. Head and thorax distinctly and closely punctate punctatus 



Head and thorax smooth or nearly so 4 



4. Tegulae black pedalis 



Tegulae pale flaviscapus 



°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 

 I 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. 



