360 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
29. Body bearing fleshy filaments: 
Apple, birch, wild cherry, chestnut, maple, oak, ete. —May— 
July; greenish brown; head rust red; body with a pair of 
tubercles on the first and eighth abdominal segments, and 
a pair of long, fleshy, brownish filaments on the second 
and the third abdominal segments; a white stripe on 
dorsum from prothorax to first pair of filaments; length 
34 inech____________Nematocampa limbata (Haw.), p. 433. 
Pipevine (Dutchman’s)—June—October; velvety black with 
a brownish tint, covered with long, fieshy, blackish tuber- 
cles and shorter ones orange in color; length about 2 inches 
Battus philenor (L.), p. 367. 
30. Body naked; abdomen with one or more dorsal humps 
Elm—June-September; polished bluish green; thoracic 
segments unarmed; first 8 abdominal segments each with 
a large anteriorly directed prominence ending in a bifid 
ridge; length about 114 inches 
Nerice bidentaia (Wlkr.), p. 401. 
Oak, beech, elim, and mapie—June—October; head orange 
red; body smooth, shining; orange-red enlargement on 
eighth abdominal segment; a yellow subdorsal and a 
yellow stigmatal stripe, and several fine blackish lines; 
length about 134 inches_________ Symmerista spp., p. 401. 
Oak and beech—August—October; head bilobed, pale, with 
a dark brownish irregular branched band on each side 
outlining whitish patches on the face; first abdominal 
segment with a large dorsal tubercle, slightly cleft; eighth 
abdominal segment with a smaller brownish tubercle; i 
the colors are pea green and shades of brown; length about 
iennches sess ies ere Dicentria lignicolor (Wlkr.), p. 404. 
Poplar and willow—June—October; a conical tubercle 
directed posteriorly on the second and one on the third 
abdominal segments; a prominent hump on the eighth; 
pearly gray marbled with brownish; a pinkish stigmatal 
line; length about 114 inches 
Hyperaeschra stragula (Grt.), p. 400. 
Miburnim= 25° eee ee Schizura badia (Pack.), p. 405. 
Willow, apple, wild cherry, ete. 
Schizura unicornis (A. & S.), p. 405. 
Others may be found in families Notodontidae and Phalaenidae. 
31. Prothorax with its lateral tubercles wider than the head; body 
tapers to the end; caudal appendages filamental, extensile, and 
up to % inch in length; the color is green and brown tinged with 
red or purplish; on poplar, willow, wild cherry 
Cerura spp. (4 more or less common), p. 405. 
Pale green; head with vertex high, conical, pinkish on sides; body 
thickest in the middle, a yellowish dorsal stripe, and occasionally 
pinkish spots; caudal appendages filamental, held outstretched 
and not quite as long as body is thick. Length about 2 inches; 
on beech, maple, poplar, oak, ete. July—October 
Fentonia marthesia (Cram.), p. 405. 
Head armed with antlers; body green and having two anal projec- 
tions; length about 1% inches; on hackberry from spring to 
Fale’ Yeas ce Te te 2 eee ee ee Asterocampa spp., p. 370. 
32. Geometers, loopers, measuring worms—not over 1 inch in length. 
Birch (gray and paper)—May—July; green to yellowish 
brown; body with fine yellowish lines and a broad sub- 
spiracular stripe; the prolegs on abdominal segments 3, 4, 
and 5 are rudimentary; length 1 inch 
Brephos infans Moesch., p. 422. 
Cherry (wild)—June—August; head brown, body light green; 
length about 34 inch___Bapta semiclarata (Wlkr.), p. 428. 
Currant— May-early in July; light yellow, dotted with black; 
length about 1 inch____-___ Itame ribearia (Fitch), p. 429. 
Elm, apple, ete-—May and June; color varies from light 
green to dark brownish green; a darker dorsal stripe; pro- 
legs on fifth abdominal segment rudimentary; length 1 
inch: 34-45. s ee Alsophila pometaria (Harr.), p. 422. 
