192 FAMILY V.— ACRIDIIN^. 



in the female only a little, slender, feebly tapering, brownish- 

 fuscous, nearly always flecked slightly with fuscous through- 

 out the discoidal area; wings rather broad, h^'-aline, the 

 veins mostly testaceous, the apex sometimes faintly infu- 

 mate. Fore and middle femora of male somewhat tumid; 

 hind femora luteo- or flavo-testaceous, obscurely broadly 

 and obliquely bifasciate with fuscous besides the fuscous 

 base, the inner surface mostly flavous, more or less clouded 

 with fuscous, the lower surface externally flushed with rose- 

 ate, the geniculation mostly fucous ; hind tibiae normally 



Fig. 117. — Melanopliis atlanis, male. Original. 



rather bright red, often feebly pallescent at base, with a 

 faint fuscous patellar spot, but not infrequently pale red or 

 pale green or pale yellow, or even dark blue, the spines black 

 bej'ond the base, nine to twelve in number in the outer series. 



Extremity of male abdomen as shown in Fig. 116; male 

 and female shown in Figs. 117 and 118. 



Length of body, male, 21.5 ram., female, 24 mm.; an- 

 tennae, male, 10 mm., female, 7.5 mm.; tegmina, male and 

 female, 20 mm. ; hind femora, male, 12.5 mm., female 

 12.75 mm. 



This is one of our most injurious locusts, and almost al- 

 ways found in our state in destructive numbers. It and 

 Camnula pellucida, have caused serious losses in many parts 

 of the state; it prefers higher and dryer regions, or a wooded 

 or mixed country, to the open prairies, where, however, it 

 also occurs not infrequently in very large armies, while the 

 latter species is fond of low and moist localities. As a gen- 

 eral rule both species do not remain for a number of years in 

 destructive numbers in the same locality ; this is no doubt 



