188 



FAMILY v.— ACRIDIIN^E. 



blackish at the base, followed by an obscure pallid annulus, 

 below which the red is feebly infuscated, the spines black on 



their apical half, ten to eleven, 

 rarely nine, in number on the 

 outer series. 



Extremity of male abdomen as 

 shown in Fig. 94. 



Length of body, male, 23 mm., 

 female, 24 mm.; antenna, male, 

 14mm., female, 10mm.; tegmina, 

 male, 9.5 mm., female, 8.5 mm.; 

 hind femora, male, 15 mm., fe- 

 male, 13.5mm. 



This insect, both sexes of which 

 are illustrated in Figs. 112 and 

 113, is very common in Minne- 

 sota, and wherever it occurs it is 

 found in large and destructive 

 numbers. It prefers the edges of 

 forests, or places overgrown with 

 bushes and vines. The grape- 

 vine especially is preferred by 



Fig.ll2.—MeIanoplusBlatcbIeri, thcSC loCUStS, and thcv SOOn de- 

 male. Original. _ [ •' ^ 



stro}' its foliage by eating big 

 holes in the leaves. It is an insect that can become very 

 destructive. In 1896, during July, not a single entire leaf 

 could be found upon Gray Cloud Island, as this locust was 

 everywhere in large numbers. 



Alelanoplus gracilis Bruner. 



Short winged, a little below the medium size, brownish- 

 testaceous above, luteo-flavous, the whole tinged with green, 

 with bright green hind legs. Head hardlv prominent, luteo- 

 flavous, generally tinted with green and somewhat em- 

 browned, above brownish-testaceous with a greenish tinge, 

 sometimes separated b}^ a distinct slender flavous stripe from 



