ENTOMOLOGY 



legs may be used to produce sound, as in Stenobothrus and such other 

 Locustidae as stridulate by rubbing the femora against the tegmina. 



Legs of Larvae.- Thoracic legs, terminating in a single claw, are 

 present in most larvae. Caterpillars have, in addition, fleshy abdominal 



is- 



FIG. 64. Adaptive modifications of the legs. A, Cicindela sexguttata; B, Nemobius 

 vittatus, hind leg; C, Stagmomantis Carolina, left fore leg; D, Pelocoris femoratus, right fore 

 leg; E, Gryllotalpa borealis, left fore leg; F, Canthon Icevis, right fore leg; G, Phanceus carnifex, 

 fore tibia and tarsus of female; H, P. carnifex, fore tibia of male; /, Dytiscus fasciventris, 

 right fore leg of male; c, coxa; /, femur; s, spur; t, trochanter; tb, tibia; ts, tarsus. 



legs (Fig. 64) ending in a circlet of hooks. Most caterpillars have five 

 pairs of these legs (on abdominal segments 3, 4, 5, 6, and 10), but the 



