ORDER COLEOPTERA. 



95 



a slender, flexible, hairy process, sometimes nearly as long as 

 the body, and resembling the tongue of a bee, as when op- 

 posed to each other they form a tube. The legs vary great- 

 ly in shape, and the tarsi vary from five, the normal num- 



FIG. 85. Different forms of antennae of beetles. I, serrate ; 2, pectinate ; 3, 

 capitate (and also geuiculate) ; 4-7, clavate; 8,9, lamellate ; 10, serrate (Dor- 

 catoma); 11, irregular (Gyrinus); 12, two jointed antenna of Adranes caecus. 

 After LeConte. 



ber, to four and three joints, and sometimes to two or one, 

 and may even occasionally be wanting. 



The larva of a beetle, especially those like the young may- 

 beetle, is called a grub. The metamorphosis is in beetles 

 abed e f 



FIG. 80. Head and eyes of beetles, a, Calosoma ,' 6, Chrysobothris; c, Prio- 

 nus; d, Polygraphus; e,Geot rapes; /, Gyrinus, in which the eyes are divided. 

 From Jiuleich and Nitsche. 



perfect. Those larvae which walk freely about after their 

 food usually have the body somewhat flattened, and the legs 

 long; while those which bore into fruits or into wood have 

 cylindrical, white bodies, and the legs are usually short, or, 

 as in the lame of weevils, etc., they are legless. 



The pupae of beetles are usually whitish, and have free 

 limbs. They are either enclosed in cocoons of silk (Curcu- 

 lionidae and Chrysomelidae) or form a rude one of earth ; or, 



