The Bulletin. 





It is found within the squares and under the shuck or hull of the 

 growing boll. So far as known, however, it is not really a pest of 

 cotton and feeds but little, if at all, on the cotton plant. The eggs 

 of Jack-snappers are usually laid in weedy or grassy fields and the 

 larvse are known by the name of Wire-worms, and feed on roots of 

 grasses, etc. This particular species seems to be found frequently 

 on cotton, for it has been sent in several different years and from 

 various counties. 



Fig. 24.— Jack-snapper. This species ( Monocrepidus vespertinus) is found in squares 

 and on young bolls, and sometimes mistaken for Boll-weevil. 

 Enlarged. Line to right shows actual length. 

 (After Chittenden, Bur. Ent., U. S. Dept. Agr.) 



Flower-beetles (Order Coleoptera). — Two different species of the 

 genus Euphoria have been sent in as attacking cotton bolls. These 

 are Euphoria melancholia and Euphoria inda. They are closely re- 

 lated to the common green "June-bug," and so far as we know they 

 are found only in bolls that have started to decay, or have been 

 bruised or eaten into by other insects. They have several times been 

 taken for Boll-weevil 'by uninformed growers. They cannot be re- 

 garded as serious. 



Lace-wing Flies (Order Neuroptera). — These are very delicate 

 greenish little creatures, with four dainty greenish wings so finely 

 netted with "veins" as to suggest lace work. With wings expanded, 

 they measure from three-fourths to one inch from tip to tip. They 

 are frequently startled and may be seen flying to other plants. They 

 do no harm;, on the contrary their young (larvae) are predaceous and 

 feed to a considerable extent on the Cotton Leaf-louse, and are, there- 

 fore, beneficial. 



Caterpillars (Order Lepidoptera) .—There are various species of 

 caterpillars other than those discussed in these pages which may be 

 found on cotton, especially if they are driven to find new food by 

 the death of their favorite food plant. All true caterpillars nor- 

 mally develop into moths of some kind. 



