Sept., 1914.] 



Webster-Stoner : Calocoris rapidus. 



231 



nymphs were present in some numbers. October i adults were 

 common on some cabbage plants and one nymph was found on that 

 date. 



From these notes it is evident that a new generation appears in late 

 July and early August, maturing during September. The winter is 

 evidently spent in the adult stage. 



There are probably two generations in this latitude, as Forbes has 

 suggested. These observations, then, deal with the second generation, 

 and the adults of the first late in July. 



The Egg. 



Adults confined in insectary cages readily deposited eggs in potato 

 stalks. Usually these were placed in the tissue at the junction of the 

 smaller stems with the main stalk and in the axils of the leaves. 

 They were also deposited, to a considerable extent, on the main stalk 

 for its entire length. 



Usually eggs were placed singly ; sometimes several were found in 

 close proximity, or even adjacent. As a rule the eggs were placed at 

 right angles to the long axis of the stalk; sometimes at an acute angle 

 to the stalk, or even almost parallel, though imbedded in the tissue. 



From the exterior it was possible to detect the presence of the egg 

 by the ovate cap, which is provided with a short spine, all that is 

 visible. 



Following is given a description of the egg. 



Egg. — Cylindrical, slightly curved; exposed end with a narrow 

 truncate cap which projects for its entire width outside the epidermii 

 of the plant ; opposite end broadly rounded ; surface very finely punc- 

 tate. General color of fresh eggs yellowish green. Length 1.17 mm., 

 width .31 mm. (average of 9 specimens). 



