508 NEW YORK STATE MUSEUM 



A slaty brown measuring worm with two pairs of peculiar dorsal filaments, occurs in June 

 on oak, maple and currant Filament bearer, A n i a 1 i m b a t a, p. 530 



Black-headed, yellowish green caterpillars forming thick web nests on scrub oaks in early 

 June A r c h i p s f e r v i d a n a, p. 530 



Delicate green, brown-headed caterpillars about ^ inch long feed on oak and other trees 

 in early June, August and September 



V-marked leaf roller, A r c h i p s a r g y r o s p i 1 a, p. 531 



A small, light green, brown-headed caterpillar feeds in early June on the foliage of a con- 

 siderable number of trees Red-banded leaf roller, Eulia triferana, p. 532 



A grass-green larva about ^ inch long occurs during July in folded oak leaves 



Oak leaf roller, T o r t r i x q u e r c i f o 1 i a n a, p. 532 



Whitish, blotchlike mines on the upper surface of oak leaves, contain minute footless, 

 brownish and yellow larvae 



White-blotch oak leaf miner, Lithocolletes hamadryella, p. 532 



Similar mines on the under surface and possibly on the upper 



Fitch's oak leaf miner, Lithocolletes fitch ell a, p. 533 



Green or brown, sticklike insects sometimes measuring 3 inches in length, occur in forests 

 of deciduous trees in early autumn 



Walking stick, Diapheromera f e m o r a t a, p. 533 



Clusters of black, yellow-striped caterpillars about 2 inches long, occur on hickory, walnut 

 and birch Striped hickory caterpillar, Da tana a n g u s i i, p. 535 



Clusters of black, yellow-necked, yellow-striped caterpillars nearly 2 inches long, occur in 

 midsummer on the twigs of a variety of trees 



Yellow-necked apple worm, Datana ministra, p. 535 



Large, flocculent masses on the underside of butternut leaves in midsummer, may conceal 

 a bluish, yellowish white sawfly larva about ^ inch long 



Butternut woolly worm, Monophadnus caryae, p. 536 



Small, roundish, brown and black marked or black beetles about inch long, occur on 

 butternut and mountain ash in May Typop horns canellus, p. 537 



A large, pale yellowish green larva striped with darker green, occurs in midsummer on 

 maple trees Green-striped maple worm, An i sot a rubicund a, p. 537 



A drab-colored caterpillar with a large, orange, dorsal spot exposed at the juncture of the 

 first and second abdominal segments when the body bends, feeds on maple, oak, 

 willow and rose Semilooper maple worm, H o m o p t e r a 1 u n a t a, p. 538 



A very large, pale green caterpillar about 4 inches long, ornamented with conspicuous 

 green, blue, yellow and red tubercles, feeds on the foliage of a large number of trees 

 and shrubs Cecropia moth, Samia cecropia, p. 539 



