LARVAL FORMS OF COLEOPTERA 



Plate 80 



Bupvestidae-Pach ysch clinae ( A-D ) 



Bupyestidae-Agrilinae (E ) , 



Buprestidae-Biiprestinae (F-K) 



A. Brachvs ovatus Web. 



B. 



Head ; gu, gular plate ; lb, 

 undifferentiated labium; 

 mx, maxilla. Ventral 



view. 

 Head ; 



view. 

 Larva. 



oc, ocelli. Dorsal 



Agrilus politus Say 

 ''' Euchroma columbicum ]\Iannerh. 



C. *' " : Larva. Dorsal view. 

 C* " " : Spiracle enlarged. 



D. '' " : Dorsal side of head. Ven- 



tral view. 

 Larva. Dorsal view. 

 Head, prothorax and ante- 

 rior part of mesothorax ; 

 clior, cliordotonal organ ; 

 sp, spiracle. (Figure 

 copied from Scliiodte).* 

 Head and thorax. Ventral 



vieAV. 

 Abdominal spiracle. 

 Right mandible. Ventral 



vicAv. 

 Larva. Dorsal view. 

 Head. Ventral view. 

 Hypopharynx and maxilla. 

 Buccal view. 

 * Schiodte, J. C, De metamorphosi Eleutheratorum observa- 

 tiones; Naturhistorisk Tidsskrift, ser. Ill, vol. 6, 1869, p. 336, pi. 

 I, fig. 4. (Schiodte is the first entomologist who has discovered and 

 described the chordotonal organs in coleopterous larvae. He named 

 them (1. c) ''foveae auditoriae"). 



F. Chrysobothris octocola Lee. 



G. Chrysobothris sp. 



H. Chalcophora virginiensis Drnry 



T. 

 J. 

 K. 



Chrysobothris octocola 

 Chalcophora virginiensis 



246 



