HOW TO KNOW THE IMMATURE INSECTS 



87a. Mandible with large, multituberculate or multi- 

 carinate molar structure; cardo proper distinct 

 and subtriangular. Fig. 282 88 



Fig. 282. 

 Mandible. 



87b. Mandible not so 89 



88a. Body shape similar to a scale-insect; along the sides with flat 

 projections carrying spinulose setae. 

 Fig. 283 Family MURMIDIIDAE 



The species here pictured is widely scat- 

 tered in both hemispheres. Only a few other 

 species ore known for America. 



Fig. 283. Murmidius 

 ovolis Beck. 



88b. Body different. Fig. 284 FamUy ENDOMYCHIDAE 



The family has about 950 known species. 

 Their adults are commonly called fungus 

 beetles. The larvae feed upon fungi, dead 

 wood and vegetable refuse. 



Fig. 284. 

 ulkei Cr. 



Rhymbus 



108 



