LAEVAL FOEMS OF COLEOPTEEA 



ABBREVIATIONS USED ON THE FIGURES 



-10 



am 

 amb 



an 

 ans 



ant, 

 ap 

 at 



b 

 bis 



bis 



c 



cl 



ely: 



en 



CO 



col 



crs 



ex 

 cxl 



first to tenth abdominal segments. 



a, arm of the spiraeular closing apparatus, 

 abs, annular-biforous type of spiracle (an apparently annular 

 spiracle but provided Avith two small air-tubes), 

 ac, accessory ventral condyle of mandible, 

 al, anal lobe. 



air, alar area (= pasc, parascutal area ; a tergal area immedi- 

 ately above the epipleural area ; in the abdominal seg- 

 ments usually carrying the spiracle), 

 basal articulating membrane of antenna, 

 ambulatory wart (sometimes named "ampulla" or "scan- 



sorial wart " ) . 

 anus, 

 annular type of spiracle (ringlike with a simple opening 



and no accessory tubes or chamber), 

 antenna. 



appendage of tenth abdominal segment, 

 atrium of spiracle (a part between the spiraeular mouth- 

 piece and the trachea), 

 bulla of spiracle. 



bilabiate type of spiracle (an elongate, annular spiracle 

 with a pair of projecting lips interior to the spiraeular 

 frame), 

 biforous type of spiracle (spiracle provided with a pair of 



distinct airtubes ) . 

 cardo (with jca, pc, sea ; pis. 40 T, 89 G*). 

 claw (or "ungulus") from distal end of tarsus, 

 clypeus. 



canal or sulcus in the mandible or in other buccal struc- 

 tures, 

 membrane between head and prothorax. 

 collum (necklike constriction of head around the occipital 



foramen), 

 cribriform spiracle (spiracle provided with a sievelike 

 plate). 

 coxa. 



coxal lobe (= parasternum, an abdominal, usually triangu- 

 lar area extending from hypopleurum toward the sagit- 

 tal line of sternum ; often separating laterally euster- 

 num and sternellum). 

 da, dorsal articulation of mandible (= mandibular fossa). 

 dis, dististipes (an anterior i^ortion of the maxillary stipes). 

 dl, dorso-lateral suture (a frequently rather indistinct groove 

 immediately below the spiracle-bearing parascutal area; 

 81 



