CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 197 



Adult. — Ground color of fore wings light brown tinged with red, 

 with a transverse darker median band. Hind wings dingy grey with 

 a transverse light brown line. Aug.-Sept. 



Eggs. — Circular, finely ribbed and sculptured; slightly pinkish; 

 laid on stems of couch grass. 



Larva. — One and three-fifth inches long; head chestnut-brown; 

 tubercles pale brown with a stiff black bristle; spiracles shiny black; 

 body color greyish tinged with pink. 



Pupa. — Brown, f'^ inch long. Duration about 3 weeks. 



(g) Green Fruit Worms (Graptolitha spp.) 



G. antennata Walker, G. laticinerea Grote, G. cinerosa, G. hethunei 

 G. and R. and other species sometimes injure leaves and fruit of apple 

 and forest trees in late May and early June. 



Ash-Gray Pinion {Graptolitha antennata Walk.). Adult. — Dull 

 ashy-grey; fore wings with darker grey or greyish-brown markings. 

 April and September; hibernates. 



Eggs. — Yellow, globular, ridged; laid singly on bark of smaller 

 branches in early spring. 



Larva. — ^Light yellowish or apple-green naked caterpillar, 1-13^^ 

 inches long, with a cream-colored stripe along the middle of the back, 

 a similar but wider stripe along each side, and mottled markings or 

 stripes above the lateral stripes. Head glossy green, with white 

 mottlings; legs whitish, prolegs greyish. May- June. 



Pupa. — -Dark brown; often within a thin silken cocoon in an earthen 

 cell in the ground. Duration 3 months, sometimes over winter. 



Control. — Spray with dilute lime-sulphur and lead arsenate before 

 the blossoms open. 



Parasites. — Meteorus hyphantria and Mesochorus agilis. 



Bethune*s Green Fruit Worm {Graptolitha hethunei G. and R.). — 

 This fruit worm is a pest in many parts, and has been reported as most 

 destructive in the Annapolis Valley, Nova Scotia. The color of the 

 moth is quite variable, some moths being nearly white with darker 

 markings, while others are much darker. 



Another species of Green Fruit Worm, Orthosia hibisci Guen., 

 occurs at Geneva, N. Y. 



(//) Dagger Moths 



The larvae of several species of Dagger Moths may be found feeding 

 on the leaves of shrubs and trees. The more common forms are the 



