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IOWA ACADEMY OP SCIENCES. 
Adult beetles have been observed in autumn, as early a& 
August, but the probability is that only one brood occurs each 
year, the adults surviving the winter. 
This fragmentary result enables us to say with certainty that 
the eggs are deposited in dry and folded leaves of the food 
plants of the adults and that the larvae immediately enter the 
ground to feed upon the roots. To this extent they show 
what measures of control must be adopted for this insect. 
Fig. 9. Epicaerus imbricatus. a, b, young larva, back and side view, c, head above. 
d, head below, e, terminal segment. (From drawings by Miss King ) 
THE COSMOS WEEVIL. 
{Baris confinis Lee.) 
This weevil, Fig. 4, w"as found September 1, 1895, to work 
very extensively in the root-stocks and the base of the larger 
branches of Cosmos bipinnata causing the ultimate destruction 
of the plant. - The presence of the insect is first manifested by 
Fig. 10. Baris confinis. (Drawn by Miss King.) 
the breaking off of the larger branches. By examining the 
base of these branches, and especially the root- stock, it will be 
