202 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
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Ficure 42.—Beetle larvae and structures: A, Dermestes nidum, lateral view 
of larva; 6, mandible; C, maxillae; D, Enoclerus sp., dorsal view of head; 
BE, Thanasimus sp., lateral view of larva; Ff, Corticotomus cylindricus Lee., lat- 
eral view of larva; G, Thymalus marginicollis, Chey., dorsal view of larva; A, 
ventral view of head: J, Malachius auritus Lee., dorsal view of larva; J, Airora 
cylindrica Sery., ventral view of head and thorax; K, Vemnochila virescens F., 
ventral view of head. 
