CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 215 



Larva. — Body white, densely covered with bristles, tapering slightly 

 backward; head and antennae brown. Feeds within the kernel of grain. 



Pupa. — One-fifth inch long, brownish, ovate; eyes black. Formed 

 within kernel. 



Peach Twig Borer {Anarsia lineatella Zeller). — Destructive to grape 

 roots, peach and other trees in California and British Columbia and 

 troublesome also in the East. 



Adult. — Dark grey; wings fringed with yellowish-grey, fore wing 

 marked with blackish-brown spots or streaks; expands 3^^ inch; several 

 broods each season. 



Eggs. — Yellowish-white, elongate-oval; laid on bark of new twigs 

 near base of leaves; duration about 10 days. 



Larva. — One-half inch long; dull reddish-brown with dark-brown 

 head; winters in silken cases beneath outer bark at base of new growth; 

 first brood attacks young growth, second brood attacks tips and fruit, 

 third brood the fruit. 



Pupa. — Reddish-brown, }/i inch long; duration 10-12 days. . 



Control. — ^Lime-sulphur just after buds begin to swell. 



Palmer Worm {Dichomeris ligulella Hiibner). — (Consult Bull. 187, 

 Cornell Agr. Exp. Stn.) Adult. — A minute brownish-grey tineid 

 moth, expanding % inch; fore wing sprinkled with black scales, 

 and marked near middle with 4 black marks; hind wing fringed, 

 dusky. July. Hibernates as adult. 



Eggs. — Probably laid in May, and hatch in 2 weeks. 



Larva. — Skeletonizes the leaf and eats holes in the young fruit of 

 apple; a small caterpillar, \'2 inch long; brownish-green; head light 

 brown. Dorsal surface with two lateral and two dorsal whitish stripes. 

 June. 



Pupa. — A small brown object attached to leaf by a few silk threads, 

 duration 10 days. 



The Lesser Bud Moth (Recurvaria nanella Hbn.) , a native of Europe, 

 occurs in the eastern half of the United States and in Nova Scotia, 

 and attacks the buds of apple trees. 



(EcOPHORIDiE 



Parsnip Web Worm (Depressaria heracliana DeG.). — A European 

 pest introduced about 1873, feeding on wild carrot and on wild and 

 cultivated parsnips. 



