NO. II LARVAE OF THE ELATERID BEETLES GLEN 1 5 



Ifgll: Laterotergite II. 



Itga: Anterior laterotergite (= "anterior mesopleurite or metapleu- 



rite," Lanchester, 1939, fig. 5 A, pam) : an anterolateral 

 sclerotization of the dorsum distinct from a principal median 

 tergite. 



Ifgp: Posterior laterotergite (= "posterior mesopleurite or meta- 



pleurite," Lanchester, 1939, fig. 5 A, ppm) : a posterolateral 

 sclerotization of the dorsum distinct from a principal median 

 tergite. 



mc: Median carina of mandible: a small longitudinal toothlike ridge 



on the inner surface of mandible, anterior to retinaculum and 

 between the ventral and dorsal margins. 



■iiid: Mandible. 



fiig: Median groove on dorsal plate of ninth abdominal segment. 



mst: Mediosternite : a median sclerotization of the sternum distinct 



from lateral sternites. 



nitg: Mediotergite : a median sclerotization of the dorsum distinct 



from lateral tergites. (After Snodgrass, 1935, fig. 139 B, 

 mtg. ) 



mtu: Median tuft of filaments between maxillulae of hypopharynx. 



mxul: Maxillula (= "superlingua" or "paraglossa" auct., or "horns 



of the hypopharynx" of Roberts, 1921, p. 206) : lateral lobes 

 of the hypopharynx. 



n. Nasale (="clypeus" of Schiodte, 1870): an anterior and 



median projection of frontoclypeal region (Boving and 

 Craighead, 1931, p. 84). 



ns: Nasal sulcus (= "nasal depression," Lanchester, 1939, p. 10) : 



a more or less linear depression on frontoclypeal area run- 

 ning obliquely backward from junction of nasale and para- 

 nasal lobes. 



nsa: Anterior nasosulcul setae: setae arising from anterior end of 



nasal sulcus, in the sinuosity between nasale and paranasal 

 lobes. 



opr: Outer or upper prong of urogomphus. 



pcd: Dorsal posteroepicranial seta. 



pen: Penicillus (=: penicillum) : "A small setiferous process or 



bunch of hairs at the base of the mandible on the inner 

 margin" (Roberts, 1930, p. 68). 



pge: Postgenal area (= "paragenal area"): the lateral parts of 



the posterior region of the cranium. 



pirn: Paramedian impression on dorsal plate of ninth abdominal 



segment. 



pi: Pleural area or pleurite (= "hypopleuron"). 



plf: Maxillary palpifer. 



pip: Palpus. 



pint: Postmentum ( =1 "mentum" or "submentum" auct. ; "submentum 



+ mentum," Horst, 1922, fig. 16, "su -f men" ; "postlabium," 

 Lanchester, 1939, fig. i B, Ipo) : "The postlabium, or basal 

 part of the labium proximal to the stipital region, or premen- 

 tum ; when sclerotized, containing either a single postmental 



