364 NATURE SKETCHES IN TEMPERATE AMERICA 



The former can readily be distingushed from its near relative 

 by the plain, coral-red hind tibiae, which are paler at the base. 

 On the other hand, in Boll's locust these . structures have a 

 distinct light ring at the basal third, which is followed by a 

 contrasting black one, and the apical half only is coral-red 

 like the preceding species. 



The plate photographic illustration shows two individuals, 

 including the male below and the female above. Identification 

 will be facilitated if this plate is compared with the plate 

 depicting the mottled sand locust. Like many of the allied 

 species of Acridians, this locust, when it jemains quiet on the 

 ground, is well protected by its colors, which harmonize with 

 the background of the environment. The color markings are 

 quite variable; the male usually being dark or grayish, the 

 female more often being rusty brown or light dead-leaf color. 

 The wing-covers (tegmina) are sprinkled with minute blackish 

 spots which merge together in the male, forming distinct 

 cross bars, but these are scarcely distinguishable in the female. 

 Similarly, the outer side of the hind femora bears three or 

 four alternating oblique bars of black and dull yellow, which 

 are more vivid on the inner surfaces. This species ranges from 

 Massachusetts to Florida and westward to Nebraska and Texas. 

 The scientific name of this species is Spharagemon holli. 



The Clear-wing Locust 



The clear-wing locust is an inconspicuous striped species 

 common in certain areas of dry, grassy or weedy lands left 

 in an uncultivated state. It may be easily recognized by the 

 plate photographic illustration showing .three individuals. I 

 found this species frequenting a grassy clearing in the woods 

 at the edge of a moderately high bluff at Lakeside, Michigan. 

 On June 19, 1904, nymphs were prevalent here, but three 

 days later, on visiting the spot, they had all moulted and 

 had become adults. 



Three years before, the underbrush Was cut out in these 

 woods leaving a clearing of about a hundred and fifty feet, and 

 this area became occupied by these locusts. In the last two 

 years the invasion of the new growth of shrubs and other coarse 



