FOBFICULIDiE. 



]29 



Family V. FORFICULID^. 



This important and extensive family contains the highest 

 developed earwigs. It is well characterized by the form of the 

 second segment of the tarsi, which is never simple, but invariably 

 lobed, though the form of the lobe varies to some extent. 



In the Glielisochincn it is as narrow as the other segments, but 

 is produced into a slender long lobe beneath the third segment. 



In the other subfamilies it is broadened, dilated on each side, 

 so as to assume somewhat the shape of a heart. 



Table of Suhfamilles,^ 



1. Second tarsal segment narrow, pro- 

 duced into a lobe beneath the third. 

 1.1. Second tarsal segment broad, dilated to 

 form heart-shaped lobe on each side. 

 2. Meso- and metasternal plates de- 

 cidedly broad and transverse. 

 (Abdomen broad, widest about 

 the middle and narrower at the 



apex) 



2.2. Meso- and metasternal plates not 

 decidedly transverse, subquadrate 

 and naiTow. 

 3. Abdomen more or less depressed ; 

 (last dorsal segment trans- 

 verse) 



3.3. Abdomen convex, little de- 

 pressed : (last dorsal segment 

 often tapering) 



[p. 129. 

 ChelisocJiince, 



[p. 148. 

 AnecJiurince, 



3. Forficulhia', p. 162. 



[p. 175. 



4. OjpistJiocosmiina;, 



Subfamily I. CHELISOCHIN.E. 



This subfamily contains at present nine genera, of which all 

 but two are known to be represented in British India. 



Fig. 10. — Antenna of Forficida 

 hechehiib. Burr. 



Fig. 11.— Tarsus of Ext/pnus 

 ■jndchripeiinis, Borm. 



The characteristic of the family is the form of the second tarsal 

 segment, which is not simple and cylindrical, as in the preceding 



1 Some of these definitions and distinctions are only provisional, as the 

 classification of this group is still incomplete. 



