36 Psyche [April 



The unstriped form (rubiginosa) is more usual in the north and on 

 upland stations; the striped form (alutacea) along the southern 

 coast and in grassy swamps. Adults have been taken from Aug. 

 5 till Oct. 30. 



108. White Mountain Wingless Locust, Podisma glacialis glacialis 



Scudder. 

 A strictly boreal species, locally common from sea-level in 

 eastern Maine to subalpine thickets on the highest mountains of 

 New England. It is found in shrubby thickets in cold bogs, moist 

 woodlands, and at timber-line on mountains. Adults from July 

 till September. It is found on the summits of Greylock Mt., 

 Mass., Ascutney Mt., Vt., Chocorua and Pequaket, N. H.; bogs 

 at Umbagog Lake, Orono, Cherryfield, and Roque Bluff, Me.; 

 and many other points north of these. 



109. Swamp Locust, Paroxya clavuliger Serville. 

 Locally common in swamps and marshes (both salt and fresh) 

 of southern New England from vicinity of Boston southward. 

 July till October. 



110. Purple-striped Locust, Hesperotettix brevipennis brevipennis 



Thomas. 

 Rare and local. Has as yet been taken at but three points in 

 New England: Wellesley, Dover, and Walpole, Mass., in bunch- 

 grass (Andropogon scoparius) . July till September. 



111. Lesser Migratory Locust, Melanoplus atlanis Riley. 

 Dangerously abundant throughout New England, sometimes 

 doing severe injury locally. Most plentiful on sandy loam. 

 June till November. 



112. Yellow-striped Locust, Melanoplus bivittatus Say. 

 Common throughout New England from sea-coast to mountain- 

 top, frequenting especially the rank vegetation of meadows and 

 springy runs. Sometimes does much injury locally. June to 

 November. 



113. Red-legged Locust, Melanoplus femur-rubrum DeGeer. 

 Probably our most generally distributed and injurious "grass- 

 hopper," though sometimes outnumbered by atlanis. Prefers 

 damper situations than atlanis. July to November. 



