INSECTS 



Locusts (Locustarice) . The green locusts (Fig. 144) 

 have large heads, long, slender antennae and legs. The 

 base of the ante- 

 rior wing is trans- 

 parent, forming 

 a drum, with 

 which the males 

 utter shrill calls, 

 the sounds in 

 some species be- 

 ing different at p 1G I44 ._Meado\v locust (Orchelimum vulgare). 



day and night. 



The female has a long ovipositor for borirrg holes in the 

 ground and wood for the reception of its eggs. The katy- 

 did is a familiar form, making the curious noise from 

 which they are named by rubbing the inner surface of the 

 hind-legs against the outer surface of the front-wings. 



NOTE. Mr. Belt observed a locust that so resembled a leaf that 

 the ants ran over it, completely deceived. 



FlG. 145. i, wingless cricket ; 2 and 4, field-cricket ; 3, house-cricket. 



Crickets (Gryllidce). The crickets (Fig. 145) have a 

 somewhat cylindrical body, large head, placed vertically, 



