LARVAL FORM a OF COLLOPTERA 



Plate f)7 



Tefraonyc 



Hhipipho) 



A. Tetraonyx qiiaclrimaculata F. ; 



first instar : 



c. 



< ( < < 



i i ( ( 



D. 



E. Rliipiplioriis solidaginis Pierce; 



first instar 



F. 



G. 

 H. 



I i it 



it < ( 



I. Ilhipiphoriis st,ylopides Newm. ; 

 last larval instar 



J. Ilhipipliorus st^ylopides Newm. ; 

 last larval instar 



idae, 

 •idae 



Left mandible. Ventral view. 



Spiracle of first abdominal 

 segment borne by a lateral 

 projection from the seg- 

 ment. Exterior view. 



Head and prothorax; Ip, la- 

 bial palpus ; s, single seta 

 at base of tarsunguius; sj, 

 tactile papilla of antenna ; 

 tj, terminal joint of an- 

 tenna. Ventral view. 



Larva. Dorsal view. 



Anterior part of larva ; pon, 

 paronycliial appendix 

 (= pulvillus) . Ventral 

 view. 



Tip of a leg; pon, parony- 

 cliial appendix; s, short and 

 thick seta at the base of 

 tarsunguius. (Compare pi. 

 96 S). 



Larva. Dorso-lateral view. 



Posterior end of tenth ab- 

 dominal segment. 



Anterior part of 

 Fronto-ventral view. 



Larva. Lateral view. 



larva. 



280 



