LARVAL FORMS OF COLEOPTERA 



Plate 5 



Omophronidae, Haliplidae, Hygrohiidae, Noteridae 



A. Oinopliron (iiitidum Lee?) 



(Texas) : Larva. Dorsal view. 



B. " " : Leg. 



C " ** : Labium. Ventral view. 



D. " ** : Anterior part of head. 



Ventral view. 



E. " " : Anterior part of head. 



Dorsal view. 



F. Haliplns confinis Steph. (Denmark) : Third leg. 



Gr. " " : Larva. Dorsal view. 



H. " " : Head. Dorsal view 



I. Hygrobia tarda Herbst. (Denmark) : End of body. Ventral 



view. 



J- " ** : Larva. (Natural posi- 



tion of head more 

 nutant ; notice the very 

 long eighth abdominal 

 segment.) 



K. Noterus elavicornis Deg. 



(=N. sparsus Marsh.) (Denmark) : Right mandible. Ventral 



view. 



L. " '' : Antenna. 



M. Hygrobia tarda : Head. Dorsal view. 



N. Noterus elavicornis : Ventral moutliparts. Ven- 



tral A^ew. 



O- ** " : End of body. Ventral 



view. 



P- (f ic . j^^j.yg_ Lateral view. 



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