PARASITES OF THE COTTON BOLL WEEVIL. 
30 
Pupe of this species within the lar- 
12. Myiophasia exnea Wied. 
val skin of the weevil were taken from material collected at Many, 
La. (3 specimens), and Waco, Tex. (1 specimen); also one specimen 
bf 
a. ‘cimens), 
in imperfect condition was found in a small boll collected at Victoria 
Its puparium was within the skin of a weevil larva. 
Tex., July 12. It 
13. Pediculoides ventricosus Newp. is a common weevil parasite in 
Mexico. 
14. Mites were frequently found to have destroyed the weevil 
stages in fallen squares, especially at Calvert, Tex. 
T yroglyphus breviceps Banks was described as a weevil enemy from 
Victoria, Tex. 
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Fig. 6.—Occurrence of predominant parasites of the boll weevil in Texas and western Louisiana 
e showing-— 
||| Occurrence of Catolaccus incertus. = Bracon mellitor. \\ Cerambycobius cyaniceps. _ |||| Eury- 
toma tylodermatis. || Limits of predominance of single species. /Limits of two predominant 
species. (Original.) 
15. Hydnocera pubescens Lec. was found frequently to have killed 
Records of this predatory habit are from Browns- 
weevil stages. 
In a great many other cases 
ville and Waco, Tex., and Many, La. 
evidence of its predatory nature was less reliable. 
16. Cathartus cassix Reiche was found several times to be preda- 
ceous in its larval stage upon the weevil 
Catolaccus anthonomi Ashm., determined by J. C. Crawford. Four 
Y 
Ja nth 
specimens practically identical in character with the type of this 
species were bred from cotton squares collected October 12, 1906, at 
