90 LABIDUKID^. 



impression ; hinder border roughened and truncate. Penultimate 

 ventral segment very large, broad and ample, well rounded poste- 

 riorly, entirely covering the last ventral segment. Last ventral 

 segment almost entirely covered by the preceding, visible at the 

 corners, where a longitudinal small keel is present. Pygidium 

 scarcely visible, very small, short, blunt and rounded. Forceps 

 with the branches remote at the base, stout and trigonal in the 

 basal half, crenulate on the inner margin, straight ; in the apical 

 half strongly attenuate, smooth, unarmed and incurved ; the right 

 branch is a little more strongly curved than the left. 5 unknown. 



6 



Length of body 10-12-5 mm. 



„ forceps l'75-2 ,, 



Bengal : Comilla, Purneah District {Tnd. 3Ius.) ; a doubtful 

 specimen from Ceylon: Halaoya ( TF?7?<??/ ; coll. Burr). 



Type in the Indian Museum, Calcutta. 



This species is stouter and broader than B. sicili, the legs 

 are not banded and the colour is paler, more inchned to reddish. 

 It also attains a larger size. 



Subfamily IV. LABIDURIN^. 



This is the typical group of the Lahidurida>, and is represented 

 in every part of the world where earwigs occur. 



Fig. 7. — Antenna of Labidura. 



Fig. 6. — Sternal plates of Labidura 

 riparia, Pall. 



Table of Genera. 



1. Sides of abdomen furnished with 

 varying number of spines, hooks or 



crests FoRCiPULA, Bol., p. 91. 



1.1. Sides of abdomen smooth Labidura, Leach, p. 95. 



