12G 
T. verticals, Say. 6 males. 18 females, June 4th, July 26th. 
T. basilaris, Prov. 5 females. June 9th, August 2nd. 
T. semirubra, Norton. 1 female. 
T. signata, Norton. 2 males. June 27th. 
T. rufopediba, Norton. 3 males. June 2gth, (= signata?) 
T. eximia, Norton. 1 male, 1 female. May 24th, June 28th. 
T. semicorms, Harr. 1 male. June 9th, (Type from Mr. Guignard.) 
T. mellina, Norton. 1 male, 5 females. June 12th, July 19th. 
T. ruficolor, Norton. 2 females. May 24th, July 1st, ( = melli?ia}) 
Tenthredopsis. 
T. airoviolacea, Norton. 9 males, 9 females. June 1st, June 30th. 
T. i4-p7inctata, Norton. 2 males, 2 females. May 31st, June 7th. 
T. Pvansii, Harr. 1 female. (Mr. Fletcher.)( = Tenihredoviridis, Linn? 
T. (?) antiultcomis, Harr. 1 male, 1 female. (Types) May 28th, 
June 6th. Perhaps two species. 
Lophyrus. 
L. Lecontei, Fitch. 5 females. May 19th. 
The larvae of this species feed upon the red pine ; they are yellowish 
with black markings. Bred flies emerged in April. 
L. abieiis, Harris. 2 males, 8 females. June 12th, July 22nd. 
This is a much commoner species, the larva? feeding upon the 
spruce. They are greenish with darker longitudinal stripes. Cocoons 
much smaller and paler, frequently parasitized. 
Monoctenus. 
M.fulvus, Norton. 3 males, 6 females. May 7th, June 6th. 
Larvae larger and more yellowish, feeding upon cedar. 
Pamphilius. (Lyda.) 
P. maculiventris, Norton. 3 males, 1 female. June 12th, 26th. 
P. marginiventriSy Cress. 2 females. May 7th, 24th. ( = var. maculi- 
ventris. ?) 
P. luteomaculatuS) Cress. 3 females. May 24th. ( = var. maculiventrisf) 
P. rufia'ps, Harr. 1 female. May 31st. (Type; -=var. brunniceps, Cr.l) 
P. perplexus, Cress. 4 males, 2 females. May nth, 28th. 
