RHYNCOPHORA 



195 



or sacks where the ackilt cannot get out can do no harm to 

 the new fields. Fumigation of the seed is one method of 

 destroying the beetles. In some places it is required by law. 

 The Ehyncoyhora or snout beetles are distinguished by 

 the elongate head drawn out into a narrow and sometimes 



K--^/>f ! / 



m '11/ 

 J \'f 



Fig. 142. — The clover-leaf weevil (Phytonomus punctatus): a, egg; 

 h, b, b, b, larviE feeding; c, recently hatched larva; d, head of same from 

 beneath; e, jaw of same; /.cocoon; (7, meshes of cocoon ; /t, pupa; t, beetle; 

 j, same in outline; k, same dorsal view; I, tarsus of beetle; ?w, antenna of 

 same; b, f, i, natural size; others more or less enlarged. (From Riley, 

 Div. Ent., U. S. Dept. Ag.) 



very long "snout" at the end of which the minute mouth 

 parts are attached. The larvae are commonly found as 

 grubs in seeds, nuts, etc., but the clover-leaf weevil and the 

 alfalfa weevil feed upon the leaves and stems of clover and 

 alfalfa. 



