- 
138 Prof. Westwood’s Observations on the 
of an inch. The abdomen does not contract abruptly 
at the petiole, but subsides gradually. Van der Linden 
says that the species of this genus are the females of 
species of T’engyra (Ann. d. Sc. Nat., Jan., 1829, p. 48).” 
Methoca (Tengyra) stygia. 
Say, Boston Journal of Nat. Hist., i., p. 299. 
Le Conte, Writings of Say, il., p. 741. 
‘“‘ Black, mandibles piceous at tip. 
Inhabits Indiana. 
Body entirely black, immaculate, punctured; man- 
dibles piceous at tip, near the tip one-toothed; wings 
hyaline, nervures black, separating nervure of the first 
and second cubital cellules wanting; stigma obvious, 
black; abdomen, segments contracted near the incisures ; 
oviduct not extending beyond the terminal processes and 
concealed beneath them. Length two-fifths of an inch. 
Resembles 7’. Sanvitali, Laty., but is larger, with a 
much larger stigma, and each abdominal segment is 
much more contracted before its posterior incisure.”’ 
Methoca pacalis. 
Harris, Catal. Ins. Massach., in Hitchcock’s Survey, 
2nd edit. (absque desc.) 
Hab. Massachusetts. 
