(8) Pines (Jack, ete..—Head and cervical shield light 
brown; body reddish with small, shiny tubercles. 
invvyounebranches, 2.0.26. Petrova albicapitana. 
(9) Pines, fir, spruce—Head dark reddish brown with dark 
brown maculations; body moderately slender, 
somewhat fusiform, the dorsum usually reddish 
purple, the venter pale reddish purple, tinged 
with green; about 20 mm. long. In _ shoots, 
branches, and the trunk ........... Dioryctria abretella. 
(10) Pines (Longleaf, loblolly)—Head shiny red-brown; 
thoracic legs and thoracic and anal shields brown; 
body greenish-white with brownish markings 
above; about 25 mm. long. In terminals and trunk 
OO TS tite Aes ete cney  lea deod c3 Dioryctria amatella. 
(11) Pines (red, Scotch, white, jack, shortleaf, loblolly, etc.) 
—In the North: head brown, body pink to green- 
ish and covered with small, black dots; about 19 
mm. long. In the South: uniformly bluish-black 
above, excepting the top of the thorax, and 
greenish-blue with a violaceous tint, below: 18 
COMZosmMmMs ONS, os... Dioryctria zimmermant. 
(12) Pines (Scotch, red, jack, longleaf, loblolly, scrub)—IJn 
the North: slender, olive-green to buff and from 
14 to 18 mm. long. In the South: moderately slen- 
der, grayish-buff, and 20 to 25 mm. long. In 
staminate flowers and cones 
Dioryctria disclusa. 
(13) Spruces, firs, larch, and jack pine—Head and cervical 
shield reddish-brown; body brown to amber and | 
ornamented with piliferous warts; about 18 mm. 
long. In needles, buds, staminate flowers, and 
CONMCS ir, Bo eee els ies | Dioryctria reniculella. 
(14) Black locust—Head brownish-black; body greenish 
with broken stripes of dark brown; about 16 mm. 
long. Girdling near ground line 
Elasmopalpus lignosellus. 
(15) Spruce—Head brownish-yellow; cervical shield 
paler; body yellowish or grayish-green; about 18 
mme lone. In buds Zeiraphera ratzeburgiana. 
(16) Gray birch, black cherry, maple, oak, ete.—Head 
slightly bilobed and rusty red; body greenish- 
brown; pair of prominent tubercles on lst ab- 
dominal segment; a pair of long, fleshy brownish 
filaments on each of 2nd and 3rd segments; broad 
white stripe on back from prothorax to lst pair 
of filaments; about 18 mm. long 
Nematocampa limbata. 
33. Borers in fruit, nuts, seeds, and cones. 
(1) Oaks, beech, hazel—Full-grown larvae pink or whit- 
ish; 18 mm. long. In acorns, hazelnuts, and beech- 
NULLES Hea eek clea enue aly: no er: Melissopus latiferreanus. 
(2) Oak, hickory—Body grayish white or yellowish with 
black spots on top; cervical and anal shields brown- 
ish. In acorns and hickory nuts 
Valentinia glandulella. 
289 
