NO. II 



LARVAE OF THE ELATERID BEETLES GLEN 



227 



Fig. 21. — Ludius rotundicollis group. 



a, b, e, g, h, Lndms rotundicollis (Say) ("Western species") : a, head, lateral 

 view (ventral mouthparts omitted) ; b, whole larva, dorsal view; e, mediotergite 

 of fourth abdominal segment, dorsolateral view; g, ninth abdominal segment, 

 dorsal view ; h, ninth and tenth abdominal segments, lateral view, c, d, L. 

 silicic ollis (Say) : c, left urogomphus, dorsal view; d, left urogomphus, lateral 

 view. /, L. rotundicollis (Say) ("Eastern species") : left urogomphus, lateral 

 view. 



