16. 
1% 
18. 
INSECT ENEMIES OF EASTERN FORESTS 
KEY TO LEPIDOPTEROUS LARVAE—Continued 
Head black; neck narrowly ringed with yellow, cervical shield 
waxy-yellow; body black with narrow pale yellow stripes 
Datana ministra (Drury), p. 398. 
Similar to D. ministra, but its cervical shield is entirely black; most 
commonly found on oak_____ Datana angusii G. &. R., p. 398. 
Head black; neck, cervical shield and most of anal segment yellow; 
other segments black with prominent yellow stripes; on blue- 
berry, basswood, sassafras, ete. 
Datana drexelii Hy. Edw., p. 398. 
Head and neck black; cervical shield transversely oblong and waxy 
orange yellow; body black with white or yellowish stripes; 
clothed with long hairs; on oak or sycamore 
Datana contracta Wlkr., p. 400. 
Head and body black; clothed in long, dirty white hairs; on butter- 
nut, hickory, or walnut___-_- Datana integerrima G. & R., p. 399. 
Head, shield, and legs mahogany red; body black with broken 
white lines; on apple, blueberry, azalea, etc. 
Datana major G. & R., p. 398. 
Head dark red or black; shield reddish brown; anal plate blackish; 
body yellow with reddish to blackish stripes; on sumac 
Datana perspicua G. & R., p. 399. 
Hairy or bristly; without long hair pencils, brushlike tufts or 
“tussocks,”’ usually with prominent markings_________________ 
Hairy or bristly with long hair pencils, brushlike tufts or ‘“‘tus- 
SOC Ky epee ee eee ter ON a ME a ees Pa a cat plc 
Head yellow and black; body dusky with 5 pairs of blue spots 
followed by 6 pairs of red spots on dorsum; 2 inches long; general 
hee Gere Maya Ulyepe oe es Se ee Porthetria dispar (1), p. 408. 
Head brown; body dark brown, with a broken white line on each 
side; two conspicuous reddish spots on dorsum near posterior 
end; on apple, cherry, oak, ete. May—June 
Nygmia phaeorrhoea (Don.), p. 412. 
Head black with bluish tinge; body blackish on dorsum with a row 
of white blotches; a narrow broken white subdorsal line; sides 
mottled with black and white; on poplar and willow. May-— 
a UNIN@ eeseeay ira ear on ee PRE oh Stilpnotia salicis (L.), p. 414. 
Head and body pale bluish; a row of keyhole-shaped white spots 
on dorsum; 2 inches long; on ash, birch, sugar maple, oak, poplar, 
ete. May—Juney< 2225-2 ee Malacosoma disstria Hbn., p. 418. 
Gray with faint longitudinal lines; body flattened with lateral lap- 
pets; metathorax with a pair of warts and a velvety black band; 
2% inches long; deciduous growth. June—August 
Tolype velleda (Stoll.), p. 419. 
Bluish gray, somewhat mottled; flattened; 2 transverse scarlet bands 
on thorax; 24% inches long; on deciduous growth. May—August 
Epicnaptera americana (Harr.), p. 419. 
Head orange brown; neck, venter of body, legs, and anal segment 
light; dorsum of other segments black, and each crossed by 2 
yellowish stripes and a row of orange warts; hairs brownish at 
base and black at tip; Southern States. March—May 
Seirarctia echo (A. & 8.), p. 388. 
Head dark reddish or black; body velvety black dotted with 
yellow; usually a broken subdorsal yellow stripe; a broad yellow 
stigmatal stripe notched above so the white spiracles are sur- 
rounded by black; tubercles black or reddish and bearing bristly 
reddish hairs; on alder, poplar, willow, ete. June—September 
Acronicta oblinita (A. & S8.), p. 393. 
Head shiny black; body velvety black; usually with a faint reddish 
substigmatal stripe; venter sometimes reddish; tubercles pale; 
the hairs on second and third thoracic, first, eighth, and ninth 
abdominal segments somewhat bristly and reddish brown or 
black, elsewhere the hairs are soft and pale yellowish; on alder, 
apple, cherry, poplar, ete. June—October 
Acronicta impressa Wlkr., p. 392. 
Head shiny black, hairy, and with a yellow spot on clypeus and 
one on each side; body greenish white, clothed with long, silky, 
white hairs arising from small wartlike tubercles; on oak, maple, 
ete July—October._---_---= Charadra deridens (Guen.), p. 395. 
300 
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