8o6 CONNECTICUT EXPERIMENT STATION REPORT, I9O7-I908. 



Small greenish-white scale-like insects on the 

 under leaf surface of plants growing under 

 glass or near greenhouses. Pure-white 

 moth-like adults resting on the leaves, 



and flying about 



Greenhouse White-Fly, Aleyrodes vaporariorum, p. 815. 



The Squash Borer. 



Melittia satyriniformis Hiibn. 



This is the most important enemy of the squash and pumpkin 



in Connecticut, and causes the vines to' wither in July and to die 



before maturing- their crop. Melons and cucumbers are seldom 



attacked if squashes and pumpkins are plenty. 



Fig. II. The squash borer: a, male moth ; i, female, with wings folded 

 as when at rest ; c, eggs on section of squash stem ; d, full-grown larva 

 in the stem ; e, pupa ; /, pupal cell. All one-third larger than natural 

 size. (After Chittenden, Circular 38, Bureau of Entomology, U. S. 

 Department of Agriculture.) 



The adult is one of the clear-wing or sesiid moths, and is shown 

 on Plate L of this report. It has a wing expanse of from one to 

 one and one- fourth inches, and the fore wings are opaque and dark 

 olive green in color with a metallic luster and a fringe of broAAmish 

 black. Rear wings with transparent cells and a bluish reflection, 

 veins and fringe black. Thorax and antennae colored about like 

 fore wings. Abdomen reddish brown, legs bright orange, with 

 tarsi black with white bands. When at rest the wings are folded 

 as in & of the accompanying illustration (Fig. ii). 



