358 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
25: Thorax bearing one or more pairs of short and blunt tubercles or 
spines—Continued 
Those on all segments nearly equal; bluish; bearing small 
setae; body green dotted with black; large 
Philosamia cynthia (Drury), p. 377. 
Spines reduced to mere tubercles, surmounted with long setae. 
Two pairs on thorax and one on eighth abdominal seg- 
ment larger than others. Tubercles pink, body green; 
anal plate amber colored edged in front with yellow 
Tropaea luna (L.), p. 379. 
Dorsum of body segments convex to angular; tubercles 
orange or golden, some with silver base; anal shield edged 
with purple___-___- Telea polyphemus (Cram.), p. 379. 
Tubercles without spines or setae. 
Bluish green; second thoracic segment bearing 2 reddish 
tubercles; abdominal segments 1, 5, and 8 marked with 
transverse yellowish bands, edged in front with red; 
lengthmi4inches= === s=== Raphia frater Grt., p. 395. 
26. Glossy, leaden or with a purplish tinge; eighth abdominal segment 
swollen dorsally and bearing a well-developed horn; on poplar 
and willow. July—October___-__._ Pheosia rimosa Pack., p. 400. 
Not glossy, but smooth or granulated__________-__-_ Sphingidae, 
Eighth abdominal segment bearing a well-developed horn__-_- 
Eighth abdominal segment bearing an evelike tubercle____-_-_- 
27. Larvae with 7 oblique stripes on each side of body. 
Apple, wild black cherry, plum—July—September; yellow- 
ish green; head with a reddish band on each side; body 
stripes carmine, broad; horn and thoracic feet dark red- 
dish to blackish; length 3 inches. 
Sphinx druptferarum A. & S., p. 374. 
Ash and lilaec—June—October; bluish green; head with a 
broad pale band; stripes light yellow; horn reddish and 
curved downward at tip; anal plate and anal legs dotted 
with elevated black points; length 244 inches 
Ceratomia undulosa (Wlkr.), p. 372. 
Ash and lilac—June—September; light green; head bluish 
with a pale band on each side; body stripes light yellowish 
edged above with bluish-green; horn pale blue; length 
aboutranchecmess |= aes Sphinx chersis (Hbn.), p. 374. 
Ash, laurel, lilac, rhododendron, ete.—June—October; yel- 
lowish green; head with a black band; body stripes black 
edged below with yellow; anal plate dotted with black 
points; horn blue with black raised markings; length 3 
INChEeS S252 Ha Aes Mt Sphinx kalmiae A. & S., p. 374. 
Bayberry, sweet fern, wild rose, ete.—August—October; 
apple green with small whitish dots; head with a yellowish 
or brownish stripe on each side; body stripes carmine 
edged below with white; horn black on sides and at tip; 
green above and below; length nearly 3 inches 
Sphinx gordius Cram., p. 374. 
Cherry (wild)—July—October; green with yellowish granu- 
lations; head conical, a faint yellowish line on each side; 
the last stripe on the body widest and most distinct; horn 
short and green, sometimes reddish above; spiracles rose 
colored; thoracic legs reddish. Some specimens have the 
spiracles set in small red patches; also subdorsal patches 
of red; length 2% inches. Paonias myops (A. & 8.) p. 375. 
Elm, basswood, and bireh—July—October; pale green to red- 
dish brown; thorax with 4 tuberculated horns; stripes 
composed of whitish granulations; length 3 inches 
Ceratomia amyntor (Hbn.), p. 372. 
Poplar, willow, and birch—July—October; light green, 
granulated; head apple green, conical, a pale stripe on 
each side; body stripes yellowish; the last one wider than 
others; spiracles deep lilae or black; thoracic legs reddish or 
lilac; length 2% inches 
Paonias excaecatus (A. & S.), p. 375. 
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