264 



FAMILY VH. -GRYLLID^. 



GENUS Gryllus Linnaeus. 



Body short; head large and globose; e^-es large and 

 rounded; antennae thread-like, longer than the bod^^ ; thorax 

 broader than long, about as wide as the head ; hind femora 

 powerful, well developed and adapted for leaping; hind 

 tibiae with a double row of long spines growing longer to- 

 wards the tip; anal cerci long and tapering; ovipositor as 



long or longer than the abdo- 

 men ; wing-covers as long or 

 shorter than the abdomen, bent 

 down at the sides. Wing-covers 

 of male provided with a well- 

 developed organ for stridula- 

 tion; hind wings as long, longer 

 or shorter than the abdomen, 

 sometimes aborted. 



Gryllus ahbreviatus Serville. 



COMMON CRICKET. 



Head, thorax and bod\' shin- 

 ing black. The legs var}^ from 

 reddish-brow^n to pitchA'-black. 

 Wing-covers fusco - testaceous- 

 and as long or nearly as long 

 as the abdomen. Hind wings 

 shorter than the wing-covers. 

 The ovipositor is very long. 



Length, 18-23 mm.; length 

 of ovipositor, 18-21 mm. 



Illustrated in Fig. 172. 



Gryllus pennsylvanicus Bur- 

 meister. 



Wholly shining, jet black, 



covered with a very fine grayish 



fem'ale.^ori^i^aT/'"'"'^''''"''^'"^' pubcsceuce ou the' thorax, legs 



