PSVCHE. 



NOTES ON NEW ENGLAND ACRIDIIDAE, IV. — ACRIDIINAE. — II. 



ky albert p. morse, wellesley, m.\ss. 

 Key. 



A. Without trace of tegmina or wings ; dark olive-green above, length one inch 

 or a little less ; on higher mountains. ..... Podisma. 



B. Cerci of male relatively stout, the middle distinctly more than half as broad 

 as the base. Sp. 35, Z'. gladalis. 



[BB. Cerci of male slender, the middle less than half as broad as the base. 



P. variegata. * ] 

 AA. Tegmina present. 



C. Size large, length of tegmina 27 mm. or more. . Schistocerca. 



D. Very large, tegmina 42 {$) to 55 (9) mm. long. Body and teg- 

 mina brown, conspicuously varied with ashy and yellow stripes and 

 fuscous spots, with a pale mid-dorsal line on head, pronotum, and 

 closed tegmina. ..... Sp. ^t,, S. a?/u'riaina. 



DD. Smaller, length of tegmina 27 ( jj ) to 40 ( 9 ) mm. 



E. With a distinct, pale yellow mid-dorsal stripe on head, pronotum 

 and closed tegmina. General color varying from rusty brown 

 through yellowish to olive-green. Verte.x more prominent 

 (Fig. 32). ...... 5^. 7,2, S. aliitacea. 



EE. Without such stripe, only the dorsal edge of closed tegmina 

 sometimes yellowish. General color rusty brown. Vertex less 

 prominent (Fig. 31). . . . Sp. 31. 5. riibiginosa. 



CC. Size medium or small, tegmina not over 23 mm. long. 



F. Pronotum deeper than broad. Hind tibiae greenish blue. General 

 color when fresh (sometimes becoming very dark when dry) a bright 

 pale green, with a conspicuous narrow purplish mid-dorsal line on 

 pronotum, usually on head also, and with the dorsal part of closed 

 tegmina usually largely purple. Antennae pink, short, of female 



*Not known from New England, but found near Ithaca. N. Y. .See Scudder,— Rev, Melanopli, p. mi, pi vii, fig, 4; 



