364 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
33. Some common species are naked and without prominent tubercles 
on body, but each bears five pairs of abdominal legs—Continued 
Oak, ete.—May to October; somewhat similar to N. gibbosa; 
a faint double median whitish line, a lateral reddish stripe 
edged below with white 
Lophodonta angulosa (A. & 8.), p. 401. 
Pine (white, pitch, and jack)—July—September; grass green; 
head triangular, conical; yellowish stripe on each side; 
body with a median brick-red stripe and three white stripes 
on each side; length 2 inches 
Lapara bombycoides Wlkr., p. 375. 
Poplar—June—September; pale green; yellow subdorsal line 
on each side, between which are usually reddish blotches on 
thorax and abdominal segments 3 to 9; length about 14 
LC NEG See 2 eae es see Gluphisia septentrionts Wlkr., p. 405. 
Spruce—late summer, winter and spring; dull brown, 
spiracles and tubercles black; length about *4 inch 
Epizeuxis spp., p. 395. 
Tender roots, stems, and foliage of various species of tree and 
shrub growth—stout, dull grayish or brownish, with 
darker markings; normally concealing themselves during 
thei ay... St eye Cutworms (Phalaenidae), p. 390. 
Virginia creeper, grape, and Boston ivy—June to September; 
head and cervical shield orange, dotted with black; body 
white, each segment crossed by 8 black lines and an orange 
band; all bands with black elevated spots; length about 1% 
Inches aes eae hes RO Paha Alypia octomaculata (F.), p. 390. 
34. Borers 
Infesting, bud esteem rsh Ooteo rit wa Cees 
Intestin geiruit smuiG COME OTIS CEC sa aey tees aneeteeeee 
Infestingsbarksawoods OT Obs eeee oeee e 
Infesting dead and decaying sapwood__________-___-_-_-- 
35. Borers in buds, shoots, or twigs of conifers. Some common species: 
Pine (red, mugho, Scotch, Austrian, ete.)—head and cervical 
shield black; body brownish; length about %¢ inch. Bores 
into buds and expanding shoots; late summer to first of 
JUMeZ Ataris See a Rhyacionia buoliana (Schiff.), p. 466. 
Pine (red, mugho, etc.)—head, cervical shield and anal plate 
brown to dark brown; body yellowish; length about % inch. 
Bores in buds and cones__ Battaristis vittella (Buseck), p. 458. 
Pine (pitch and other hard pines) —yellowish to pale brown; 
head and cervical shield blackish; length about % inch. 
’ Bores into buds and succulent growth at tips of twigs 
Rhyacionia frustrana (Com.), p. 467. 
Pine, (red, pitch, Jersey, etc.) —similar to R. frustrana; bores 
intOnbUGS =e __Rhyacitonia rigidana (Fern.), p. 468. 
Pine (white)—dirty white; head yellowish brown; cervical 
and anal shields yellowish. Bores into side shoots in June 
and July, killing shoot___Hucosma gloriola Heinr., p. 470. 
Pine (pitch and other hard pines)—pale brownish; head and 
cervical shield dark brown; length about % ineh. Bores 
into twig and pitch mass forms over entrance hole; winters 
in tunnel and attains full growth in May 
Petrova comstockiana (Fern.), p. 469. 
Pine (jack, lodge pole, ponderosa)—reddish with small and 
shiny tubercles; head and cervical shield light brown. 
Bores into young branches, usually at juncture of smaller 
twigs, and pitch mass forms over entrance hole 
Petrova albicapitana (Busck), p. 469. 
Pine (Virginia)—similar to P. comstockiana, but bores into 
older twigs and small branches 
Petrova virginiana (Buseck), p. 470. 
Pine (various species)—varies from dirty white to reddish- 
brown or greenish; head chestnut brown; body with a 
series of black dots; length about %4 inch. Bores into 
terminal shoots, branches, and trunk 
Dioryctria zimmermani (Grt.), p. 452. 
