INSECTS AFFFXTING PARK AND WOODLAND TREES 



507 



A yellow-headed, light yellowish, tufted caterpillar closelv resembling that of the white 

 marked tussock moth, feeds on oak and a number of other trees 



flefinite-marked tussock moth, H e in e r o c a in p a d e f i n i t a, p. 522 

 A black-headed caterpillar about i}{ inches long, thickly clothed with yellowish hairs and 

 black tufts of the same, feeds in September on a variety of trees 



Oak tussock caterpillar, Halisidota maculata, p. 523 



A yellowish, brown-headed caterpillar about i}( inches long, clothed w'ith delicate buff 



yellow hairs and with four light brown dorsal pencils of the same, feeds in the fall on a 



large variety of trees. . . Pale tussock caterpillar, Halisidota t e s s e 1 1 a r i s, p. 523 



A black-headed, yellow or white-tufted caterpillar with a black hair pencil on each side, 



feeds on most deciduous forest trees 



Rusty tussock motli, N o t o 1 o p h u s a n t i q u a, p. 5:14 



A black-headed caterpillar clothed with grayish hairs and with two black hair pencils on 



the second segment, and square tufts on segments 5 to 12, feeds on various 



deciduous forest trees Dark tussock motli, () 1 e n e a c h a t i n a, p. 524 



Large caterpillars thickly covered with greenish yellow and bearing a pair of long, black 

 hair pencils on the first and tiiird abdominal segments and a single one on the eighth, 

 occurs in September on a variety of trees 



American dagger moth, A p a t e 1 a a m e r i c a n a, p. 525 

 A grayish, scarlet-marked caterpillar about 2^ inches long, remarkable because of the 

 large bordering fringes on each side, occurs in September on oak, ash and apple 



American lappet moth, E p i c n a p t e r a a m e r i c a n a, p. 525 

 A very large, pea-green, brown-headed, fleshy caterpillar with small reddish brown tuber- 

 cles with silvered bases, occurs in midsummer on the foliage of a great variety of 



plants American silk worm, Telea p o 1 y p h e m u s, p. 526 



A stout, apple-green caterpillar about 3 inches long and with six rows of small, pink, hair- 

 bearing tubercles, occurs in midsummer on a variety of trees 



Luna moth, Tropaea luna, p. 526 

 A bright, tawny or orange-colored caterpillar with a dusky stripe along its back and 

 prominent spines on its thoracic segments, feeds on oak in September 



Spiny oak worm, A n i s o t a stigma, p. 527 

 Peculiar, brightly colored, variously shaped and usually motionless, sluglike caterpillars 

 occur in midsummer on the foliage of various deciduous trees 



Slug caterpillars, p. 527 

 A peculiar larva about i inch long, thickly covered with long, mouse gray and fawn-colored 

 hairs, occurs on the foliage of various trees in September and October 



Crinkled flannel moth, Lagoa crispata, p. 529 



