ORDER COLEOPTERA. 



Ill 



Family Dermestidae. Small oval or elongate beetles; body usual- 

 ly scaly or pubescent. Dermcstes lardarius Liuii. in the larva slate 

 is destructive to museum collections, especially insects, as is that of 

 Attugenus pellio, which also eats holes in carpets; while the worst 



FIG. 120. Larva of His- 

 ter merdarius. 



FIG. 1;!!. Museum pest, a, pupa; 6, larva. 



museum pest is Anthrenus varius Fabr. (Fig. 121). A. scrophula- 

 rweLiun. is the carpet beetle, introduced from Europe. 



Family Mycetophagidae. Body flattened; head free. Living on 

 fungi and under bark. Mycetopltaguspunctatus Say. 



FIG. 123. Dermestes hti'darius and larva. FIG. 123. " Lady-bird" and pupa. 



Natural size. 



Family Cryptophagidae Prothorax nearly or quite as wide as the 

 elytra; hind male tarsi sometimes 4- jointed. AnlheropJiagus ockraceus 

 Melsh. 



Family Cucujidae. Body very flat and long; abdomen with five 

 free segments. Living under bark, ants' nests, etc. Sylcanus surina- 

 menm Linn, breeds in bran, rice, and wheat. 



Family Rhyssodidae. Resembling Cambidae; head with a distinct 

 neck; living under bark. Rhyssodes exurdtux 111. 



Family Colydiidae. Small insects, usually of an elongate or cylin- 

 drical form; wilh regular antenna 1 ; tarsi 4-joiuted, simple; legs not 

 fossorial. Living under the bark of trees, in fungi, or in the earth- 

 Colydium lineola Say. 



