THE NUT WEEVIL AND ITS KIN. 



181 



evil. It has been suggested that, as the nuts which have been 

 attacked by this Beetle become rather loose on their stems, the 

 branches should be beaten before the nuts are ripe, and all the 

 fruit that falls should be burned. Eight species of this genus 

 are known. The larva of the Nut Weevil is shown on Woodcut 

 XVIII. Fig. 6, and the pupa at /. The name Balaninus is 



1. Tychius venustns. 2. Orchestes fagi. 

 5. Sitophilus oryzoe. a. Coeliodes, head. 

 d. Orcliestes, antenna. 



3. Orobites cyaneus. 4. Coeliodes qiiercfts. 

 b. Orchestes, head. c. Orchestes, hind leg. 



derived from a Grreek word, signifying an acorn, because the 

 acorn as well as the nut is attacked by species of the same 

 genus. 



The genus Tychius has also a long beak, but the body is 

 rounded and oval instead of triangular, and the thorax is nearly 

 globular. An example of this genus, Tychius venustus, is 

 given on Woodcut XIX. Fig. 1. These are all pretty insects, 



