NO. II LARVAE OF THE ELATERID BEETLES GLEN 219 



Fig. 13.— Species of Ludins. 

 a, Ludhis nitidulus (LeConte) : presternal area of prothorax, ventral view 

 b, L. resplendcns acrarhis (Randall) : presternal area of prothorax, ventral 

 view, c, L. propola propola (LeConte) : left urogomphus, lateral view, d, L. 

 aeripennis destructor Brown: left urogomphus, lateral view, e, L scxiialis 

 Brown (?) : left urogomphus, lateral view. /, h, L. glancns (Germar) : /, left 

 urogomphus, lateral view; h, urogomphi, dorsal view, g, L. trmndnlatus (Ran- 

 dall) : left urogomphus, lateral view. ;, L. pridninus (Horn) : urogomphi, 

 dorsal view. 



