LEPIDOPTERA. 



28l 



til-i-a'ri-a). — This species (Fig. 333) resembles the Canker- 

 worms in many particulars. The larva is a looper which 

 infests both fruit and forest trees; and in the adult state the 

 male has well-developed wings, while the female is wingless. 

 The eggs are oval, of a pale yellow color, and covered 

 with a network of raised lines. They are thrust by the 



Fig. 333. — Erannis tiliaria. (From the Author's Report for 1*879. ) 



female under loose bark and in crevices on the trunk and 

 large limbs. They hatch in May, and the larvae attain their 

 full growth in the latter part of June. The larva is yellow, 

 marked with ten crinkled black lines along the top of the 

 back; the head is rust-colored, and the venter yellowish 

 white; when full grown it measures about one and one fifth 

 inches in length. The pupa state is passed in the ground, 

 from three to six inches below the surface. The moths 

 issue in October, and then the wingless females ascend the 



