LARVAL FORMS OF COLEOPTERA 



Plate 78 



CantJuiridae-Chauliognathin'ae 



A. Chaiiliognatlius scutellaris Lee.: Siibnasal reo-ion (uncertain 



whether labriim or epi- 

 pharynx) ; snl, subnasal 

 lobe ; snse, subnasal sclerite. 



B. " " : Mesothoracic spiracle; so, 



spiracular opening- fur- 

 nished with marginal 

 hairs; tb, possibly the re- 

 duced airtubes. 



C. " " : Anterior part of head; n, 



nasale; snl, subnasal lobe. 

 Dorsal view. 



D. " " : Larva. Dorsal view. 



E. " " : H e a d p e n e d ; hx, hypo- 



pharyng:eal m i d d 1 e area 

 with dark median triangu- 

 lar spot ; hy. hypostome ; 

 sh, straining hairs from 

 maxillulae. Dorsal view. 



F. " " : Larva. Ventro-lateral view. 



G. " " : ]\Iandible ; cd, main conduit 



for juice ; Is, lateral series 



of fine hairs. Buccal view. 

 H. ** " : Underside of head; ventral 



monthparts drawn back. 

 H.* " •' : Tip of antenna. 



1. " " : Underside of liead; ventral 



monthparts drawn forth ; 



subf. s, subfacial sinus. 



242 



