^geriidae 



it cuts through the epidermis of the plant, and then wriggling 

 forward, until half of the body is extruded, the pupal case bursts, 

 and the moth emerges. The males come out in the early after- 

 noon, the females about four o'clock, copulation occurs almost 

 immediately, and the female begins to oviposit before the sun 

 sets. The moths appear at the end of July and throughout 

 August in Pennsylvania. The larvae overwinter in the canes. 



Genus VESPAMIMA Beutenmiiller 

 (i) Vespamima sequoiae Henry Edwards, Plate XLVI, Fig. 



20, $ . 



Syn. pinorum Behrens. 



This species is said to be very destructive to coniferous trees 

 upon the Pacific slope. The larvae do their mischievous work at 

 the forking of the branches. 



Genus PARHARMONIA Beutenmiiller 



(i) Parharmonia pini Kellicott, Plate XLVI, Fig. 16, $. 



The species is found from Canada to New Jersey. The larvae 

 live under the bark of pine-trees. The moths appear in July and 

 August. 



Genus SANNINOIDEA Beutenmiiller 



(i) Sanninoidea exitiosa Say, Plate XLVI, Fig. 18, 3, Fig. 

 19, ? 



Syn. persica Thomas ; pepsidiformis Hiibner ; xiphiaformis Boisduval. 



This is the well-known " Peach-borer." The larvae infest the 

 trunks of peach-trees and wild cherries near the ground, and also 

 attack the upper roots. The species ranges from Canada to 

 Florida, and westward to the Rocky Mountains. It does a large 

 amount of damage in peach-orchards. 



Genus ALBUNA Henry Edwards 



(i) Albuna pyramidalis Walker, form montana Henry Ed- 

 wards, Plate XLVI, Fig. 37, $ . 



This is a variable species, of which several varieties have been 

 described. It ranges from Nova Scotia into New England, and 

 westward to the Pacific in the same latitudes. Nothing is known 

 of its early history or food-plants. 



384 



