CLASSIFICATION. 



31 



DERMAPTERA. 



Table of Families. 



1. Last dorsal egment of abdomen produced 

 between the forceps into a depressed and 

 dilated lobe, formed by a fusion with the 

 pygidiura. (Body very strongly de- 

 pressed ; antennae with over 40 segments; 

 elytra very weak at axillary angle, 



exposing a very prominent scutellum.) 1. Apachyidae, p. 31 

 1.1. Last dorsal segment of abdomen not 

 strongly produced and forming no 

 prominent process. 

 2. Second tarsal segment simple, not 

 lobed, cylindrical. 

 3. Last dorsal segment with posterior 

 margin entire, not fused with the 

 pygidium, which is free. 

 4. Femora compressed and keeled, . 

 4.4. Femora not compressed or keeled 

 3.3. Last dorsal segment deflexed between 

 the forceps, fused with the pygidium, 

 which thus presents a vertical face 

 2.2. Second tarsal segment lobed 



Pygidicranidae, p. 37. 

 Labiidae, p. 110. 



Labiduridae, p. G7. 

 Forficulidae, p. 129. 



Family I. APACHYID^. 



Apachyidse, Verhaff, (02^) p. 200. 



This family is well characterized. 



The body is uniformly depressed, extremely so in the dominant 

 and typical genus Ajxichi/us, less so in DendroiJcetes ; the latter 

 only differing from Apacliyus in the somewhat less depressed body 

 and subquadrate pronotum . With the exception of these two points 

 the common characters of the family, to save repetition, are given 

 in the characterization of the genus Apachyus. 



There are a few species confined to the tropical regions of 

 Africa, Asia, and jN'ew Guinea, but only three have as yet been 

 recorded from British India. 



Owing to their remarkable appearance, they may be easily 

 recognized, and the few Indian species cannot be confused. 



Table of Genera. 



1. Body very strongly flattened; pro- 

 notum elliptical Apachyus, Serv., p. -32. 



1.1. Body less strongly flattened; ]iro- 



notum nearly square Dkndroiketes, Burr, p. 36. 



