FAMILY V.-CEDIPODIN.^. 



163 



with minute blackish spots. 



tains small' bits of bark brought down by the overflowing 

 river, it is almost impossible to detect this insect, which, 

 moreover, seems to be able to understand how to select a 

 spot that exactly matches with its own color. Both sexes 

 are shown in Figs. 96 and 97. 



BARREN-GROUND LOCUST. 



Spharagemon bolli Scudder. 

 This locust is very variable in color, but is usually 

 brownish fuscous, the face with a grayish cinereous (in the 

 male) or yellowish cinereous (in the female) tinge, dis- 

 tinctly marked with blackish dots, the pits duskv or black- 

 ish; antennae brownish-yellow on the basal half, infuscated 

 beyond, the whole more or less annulate with dusky yellow 

 and blackish in the male. Wing-covers flecked throughout 



Wings light greenish-yellow at 

 the base with a broad median 

 arcuate band, blackish in 

 color, sending out a's broad 

 short shoot towards the base 

 next the upper border. Be- 

 yond, the wing is at first hya- 

 line, with broad blackish, 

 fuliginous veins, while the ex- 

 treme tip is more or less 

 covered with black. Hind 

 femora dull brownish; the 

 basal two-fifths of the hind 

 tibiae blackish, with a broad 

 whitish annulus beyond, coral- 

 red. Crest of pronotum very 

 high, that of the posterior 

 lobe independently arched, much more elevated^ in front 

 than behind. 



Measurements. — Male: Length of body, 20-22 mm.; of 

 tegmina, 22-25 mm.; posterior femora, 12.5-13.5 mm. 



Fig. 38. — Spharagemon bolli, male. 

 Original. 



