988 



Au. -20. (76) Abundant everywhere on sand in open grouiul. 

 Waukegan, sandy ridges near L. Michigan. 



Mestohregma thomasl Gaud. H.l, 2,3,5, Mol. : Au. 17, 18, IS), 

 22,8.2,8. (13) Common on the dunes. Tiiroughout S. 1!!., 

 on dry barren ground. ( Trachiivhachh thoviasl in text.) 



Psinidia fencstralis Serv. H.l, 2.3, 4, 5, Mol., Mer. ; Au. 12, 13, 

 14, 15, 17, 18, 19, 20, 22, 29, 30, S. 2, 8. Nymi)h, Au. 18. (85) 

 Abundant everywhere on the blow-sand; wings rose-red. 

 Waukegan, sandy ridges near L. l\Iichigan. (Note 4) 



Triiiierotropis eitr'uia iScudd. H.2, 6, Mer.; Au. 12, 29, S. 5. (12| 

 Sandy shores of Ohio, Mississippi, and Illinois rivers in Illi- 

 nois; one taken at Devil's Hole. "N. 111." (Note 5) 



Schistocerca americana Drury. H.m. Seen with Locustida' in soft 

 grass in moist bottom of old blowout. C. and S. 111. 



Schistocerca alutacea Harr. H.2, 3, 4, Mol., Mer.; Au. 14,15,17. 

 18, 20, 29,30, S. 2, 8. Nymph, Au. 20. ((i9) Common 

 along the margins of black-jack forest and about thickets and 

 bunch-grass; roadsides. Dry soils of the Illinoian glaciation 

 in S. 111., and a few restricted localities in N. 111. ; swales be- 

 tween sand ridges, Waukegan. 



('ampylncanthfi aeuiipe/uiin Scudd. H.4, Mer.; Au. 20, 30. (2) 

 Found associated with the next species, but in much fewer 

 numbers. Perhaps only a dark grayish variety of it. Clay Co. 



Campulaeantha oUcacea Scudd. H.l, 2, 4, Mer.; Au. 18, 20, 21,22. 

 29,30, 8.2. Nymph, Au. 18. (19) On the grassy dunes, 

 moderately common. Abundant on Aiiihrosia hidentata on 

 the dry soils of the Illinoian glaciation across southern Illinois. 



Hesperotettlii pratenuls Scudd. H.3, Au. 18. (17) On a patch of 

 Euthanda (Solidmjo) in a basin among sand-hills. Taken in 

 southern Illinois along the I. C. K. K. ; swales among sand 

 ridges, Waukegan; long grass on summit of Mississippi K. 

 blutf at Chautauqua, 111., near Grafton, July 20. 



Hesperoteitix upeciosms Scudd. H.l, 2, 3; Au. 18, 22, 8. 2. Nympii, 

 Au. 22. (4) Occasional with CampylacaiUlia oliimced. Takf n 

 on the dry soil of the Illinoian glaciation in southern Illinois. 



MeUmoplus rfavidti.s Scudd. H.l, 2, 3, 4, 5, Mol., Mer.; Au. 12, 13, 

 14, 18, 19, 20, 22, 29, 30, 8. 2, 8. Nymphs, Au. 17, 18, 19, 20. 

 (51) Common everywhere in blowouts and on very sandy 

 ground. Not taken elsewhere in Illinois. Associated by 

 McNeill with the sand-bur ( Cenckrvs), but it is apparently an 



