Eee, EEE 
black, sometimes uniformly green or yellow, or 
mottled brown, tan, or rose 
Ennomos subsignarius. 
(7) Hemlock, balsam fir, arborvitae, spruce, larch, etc.— Y el- 
lowish green to grayish or even darker; head and 
body flecked with black .......... Lambdina fiscellaria. 
(8) Hemlock—Head yellowish, with brownish or black- 
ish spots; body yellowish with the top lighter than 
the sides; sides marked with wavy, dark reddish 
brown lines, interrupted with dashes of white 
Lambdina athasaria athasaria. 
(9) Pitch, red, and shortleaf pines—Straw to greenish yel- 
low in color; head freckled; body with blackish 
dots and wavy lines 
Lambdina athasaria pellucidaria. 
(10) Oak, red maple—Head flat, quadrangular, mottled 
with black; body flesh colored with many wavy 
blackish lines; thoracic segments thick; hairy tu- 
bercles on all body segments ............. Phigalia titea. 
(11) Basswood, elm, hickory, maple, oak, ete.—Head rusty 
brown; body bright yellow with 10 wavy black 
lines on top; legs yellow ................... Eranus tilaria. 
(12) Oak—Head angular, bilobed; first 2 thoracic seg- 
ments mottled with reddish brown and black; 
body stout and ‘‘armed” with brownish tubercles 
Phaeoura quernaria. 
(18) Sassafras, tulip poplar—Head small and _ reddish 
brown; body stout, yellowish to dark brown with 
many fine, irregular, wavy lines 
Epimecis virginaria. 
(14) Pine, fir, spruce, hemlock, larch—Head and legs 
flecked with brown; body pale yellow, marked 
with a wide, orange-red dorsal stripe and thin, 
longitudinal, black and white lines 
Nepytia semiclusaria. 
(15) Hemlock, spruce, fir, larch—Head pale whitish or 
reddish brown, with 5 or 6 large and a few small, 
| black dots; body whitish tinged with yellow or 
| red, marked with black dots, yellowish lateral 
stripe and subdorsal rows of white spots 
Nepytia canosaria. 
Measuring worms more than 50 mm. long. 
(1) Hickory, basswood, ash, maple, etc.—Yellowish green, 
tinged with red; head bilobed; body smooth with 
swollen areas on top of abdominal segments 2 to 
5 and conical tubercles on top of the 8th 
Deuteronomos magnarius. 
(2) Willow, poplar, wild cherry, etc.—Head deeply cleft 
and flat in front; body greenish to reddish brown; 
anal claspers large ou... Biston cognataria. 
28. Body naked; 1 or more dorsal humps on abdomen 
(1) Elm—Head pale green with 4 broad white bands in 
front and on sides; body polished, bluish green; 
285 
