INSECT ENEMIES OF EASTERN FORESTS 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
oe Geometers, loopers, measuring worms—not over 1 inch in length— 
PRO 
Continued 
Elm, apple, ete.—May and June; color varies from reddish 
or yellowish brown to greenish; body lines irregular, numer- 
ous, somewhat broken, distinct in some specimens and 
nearly obsolete in others; prolegs only on the sixth and 
anal segments; length about 1 inch 
Paleacrita vernata (Peck), p. 424. 
Hemlock—May-—July; head broader than thorax, brown, 
bilobed; body greenish tinged with reddish brown, the 
second abdominal segment usually with a swelling on each 
side; length % inch 
Anacamptodes ephyraria (Wlkr.), p. 430. 
Hemlock, fir, larch, and sprucee—June—August; whitish with 
yellowish or reddish tinge; marked with black dots, and 
yellowish lateral stripe below which are 4 dark wavy hair 
lines; length about 1 inch 
Nepytia canosaria (Wlkr.), p. 434. 
Locust (black)—June and July; green with many obscure red 
wavy lines; length about 1 inch 
Semtothisa ocellinata (Guen.), p. 429. 
Maple (sugar), poplar, beech, ete.—May—June; bright green 
with 3 narrow yellowish white stripes on each side of body; 
only 2 pairs of prolegs; length about %4 inch 
Operophtera bruceata (Hulst), p. 426. 
Maple (red), etec.—May and June; green, skin wrinkled; 
head slightly bilobed; body with a double whitish dorsal 
line bordering which are yellowish-white lines; spaces be- 
tween segments yellowish; length about % inch 
Physostegania pustularta (Guen.), p. 429. 
Pine (white)—July—September; head with brownish tinge, 
body deep green with a narrow subdorsal and stigmatal 
white stripe and a greenish-white line on dorsum; length 
abouteleincha=2 22." Eufidonia notataria (Wlkr.), p. 429. 
Pine (white), spruce, fir, and larch—July—September; head 
brownish, body light green, sometimes a brownish tinge 
above, light stripe each side between which are 2 finer lines; 
length 4% inch=s=_-_ Semrothisa granitata (Guen.), p. 429. 
Sweetfern—June, July, September, and October; head 
brown; body slender, light green, sometimes tinged with 
brown; length about % inch 
Cosymbia pendulinaria (Guen.), p. 426. 
Sweetfern—July—September; green with a reddish tinge, 
body with curved lateral appendages; length about % inch 
Synchlora rubrifrontaria Pack., p. 424. 
_ Willow and apple—June—September; brownish with curved 
lateral appendages; length about % inch 
Synchlora aerata (F.), p. 424. 
Geometers from 1 to nearly 2 inches in length when full grown. 
Alder, beech, yellow birch, ete.—July—September; green to 
brownish; head rather small, flattened in front, whitish 
spots on dorsum; spiracles black; length 1% inches 
Hyperitis amicaria (H.-8.), p. 433. 
Birch, maple, oak, walnut, ete.—April—October; head brown- 
ish; body reddish to chocolate brown; a pair of blunt tu- 
bercles on dorsum of eighth abdominal segment; length 
about 1% inches__- Ectropis crepuscularia (Schiff.), p. 430. 
Birch (yellow) and maple—June—August; dull brown; head 
bilobed; body with blotches of lighter and darker shades, 
and a prominent swollen area on sixth abdominal segment; 
length 1% inches_______Plagodis serinaria (H.-8.), p. 433. 
Cherry (wild)—July—September; head grayish, square in 
front; body dull reddish brown with white markings; a 
black median line from fifth abdominal segment to supra- 
anal plate; length 1% inches_ Tetracis lorata Grote, p. 437. 
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