Among the beetles treated in these keys are groups of species which 

 need revision. In the absence of described characters which clearly 

 distinguish species, geographical location is used in the key so that 

 identification may be made according to published accounts. 



Figs 12-15 Elmid larva (Neoaylloepus) : 12- dorsal aspect; 



13- ventral aspect; 14- left maxilla, ventral aspect; 15- labium, 



ventral aspect. 



11 



