LAEVAL FORMS OF COLEOPTERA 



Plate 17 



Stapliylinidae-Omaliinae, 

 Sfaphylinidac-Steninae 



A. Stenus sp. 



B. Omalium rivulare Payk. (Denmark) 



C. Stenus sp. 



D. Omalium rivulare 



E. Stenus sp. 



F. Omalium rivulare 



G. 



Head. Ventral view. 

 Head. Ventral view. 

 Larva. Dorsal view. 

 Head. Dorsal view. 

 Head. Lateral view. 

 Diao'ram illustratin<>' 

 dominal scleromes. 

 Larva. Lateral view. 



ab- 



120 



