LARVAL FORMS OF COLEOPTERA 



Plate 24. 



A. 



B. 



C. 

 D. 

 E. 



F. 



G. 



H. 

 I. 



J. 



K. 

 L. 



M. 



N. 

 0. 

 P. 



Q. 

 Pt. 



s. 



T. 

 U. 



H ydro philidae-S phaeridiinae 



Undetermined larva (Cryptopleurum (?), Megastennmi (0. or 

 Cercyon (?) 3mm. long') 

 (Ireland) : Left mandible. 



" : Anterior part of head. Dorsal 



view. 

 Right mandible. 

 Larva. Ventral view. 

 Ventral mouthparts. Ventral 



view. 

 Larva. Dorsal view. 

 Spiracle of eighth abdominal 



segment. 

 Leg. 

 Legs and part of abdomen. 



view. 

 Anterior part of head. Dorsal 



view. 

 Maxilla. Ventral view. 



Sphaeridinm bipnstnlatnm F. 

 (Denmark) 



Undetermined larva (Crypto- 



plenrnm? etc. as above) 

 Sphaeridinm bipnstnlatnm 



Paracereyon flavipes Thnnbg. 



(= Cercyon a n a 1 i s Payk.) 



(Denmark) 

 Sphaeridinm bipnstnlatnm 



Paracereyon flavipes 

 Sphaeridinm bipnstnlatnm 

 Sphaeridinm scarabaeoides L. 



(Denmark) 

 Sphaeridinm bipnstnlatnm 

 Paracereyon flavipes 



Right mandible. 



Larva. Ventral view. 



Right mandible. 



Left mandible. 



Left mandible. 



End of body. Dorsal view. 



End of body. Dorsal view. 



Labinm. Ventral view. 

 Larva. Dorsal view. 

 Ventral monthparts. Ventral 

 view. 



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