No. 22.] HYMENOPTERA OF CONNECTICUT. 28l 



that it occurs throughout the state. It has been taken in May, 

 July, August, and September. 



P. albotarsatus Provancher. 



Average length 9 mm. ; similar to geminatus, except as fol- 

 lows : tarsal joints of a whitish hue (whence the name) ; exserted 

 portion of ovipositor not quite as long as the second tarsal joint 

 of the hind legs ; antennae stramineous. 



Opheltes Holmgren. 



The only species of this genus occurring in Connecticut is the 

 following : 



O. glaucopterus (Linnaeus). Howard, Insect Book, PI. x, 

 Fig. 27. 



Length 18-20 mm. ; head blackish above, with the remainder 

 thereof, including the antennae, brownish stramineous ; thorax 

 black, except the tegulae, which are stramineous, and the scutel, 

 which is brownish stramineous ; wings yellowish, the hind pair 

 broadly margined with a faint fuscous cloud ; legs brownish, 

 except the coxae, which are mostly blackish ; abdomen reddish, 

 barring the blackish apical third ; ovipositor scarcely as long as 

 the second joint of the hind tarsi ; in some specimens more than 

 the scutel is brownish or brownish stramineous. 



Erigorgus (Foerster) Brischke. 



Anomalon Authors, not Panzer. 



Key to Species. 



1. Length less than 25 mm. (see also description at end of this 



genus) 2 



Length 25 mm. ; colored like lateralis or very nearly so ; pro- 

 podeum with a deep, median, longitudinal channel relictus 



2. Length less than 20.5 mm 3. 



Length 20.5 mm. (female); reddish, with clear wings; anten- 

 nae piceous, basal joints yellow, fourth and fifth joints 

 blackish; head yellow, eyes reddish; summit and back of 

 head black, a yellow orbital dot on each side of the 

 ocelli; inner edge of mandibles piceous; front and base of 

 mesothorax, apex of propodeum, sternum, apical half of 

 first abdominal segment and second dorsal abdominal 

 segment, black; sheaths of ovipositor yellow,clavate; fore 

 legs, basal half of hind tibiae, and tarsi yellow; hind coxae 



