80 Descriptions of new species of Hymenoptera. 
cess for the reception of the tip of the oviduct beneath; 
feet dull honey-yellow. 
Length ? seven-twentieths of an inch. 
I found this species on the sea beach of Senipuxent Is- 
land. 
CODRUS. JuR. 
C. pallidus. Pale honey-yellow. 
Inhab. Indiana. 
Body pale honey-yellow; antennss, excepting the ba- 
sal joint, fuscous; stethidiumy incisures black j wings 
hyaline; stigma distinct, pale brown. 
Length nearly three-tenths of an inch. 
SERLION. Latr. 
S. terminalis. Antennae, terminal joint white; wings 
unifasciate. 
Inhab. Indiana. 
Body somewhat piceous; head yellowish; antennse 
broken, blackish; first joint nearly as long as the others 
together; terminal joint dilated, compressed, subtriangu- 
lar, white; wings with a broad dusky band; intermediate 
tarsi white except at tip. 
Length more than one-twentieth of an inch. 
PSILUS. JURINE. 
\.V, ciliatus. Black; feet whitish; hairs of the wings 
elongated. 
Inhab. Indiana. 
Body black, polislied; antennse with an oblong-oval 
acute club, at base honey-yellow; petiole of the abdomen 
and feet honey-yellow; wings deeply ciliated, the hairs 
longer than the transverse diameter of the wings. 
Length less than one-twentieth of an inch. 
