240 
IOWA ACADEMY OP SCIENCES. 
Tracliijrhacliis cincta Thos. Common on sandy places and 
southern slopes from the middle of July until late in the fall. 
Trimerotropis citrina Scudd. Rather rare. Iowa City and 
Ames. 
ACRIDIAN^. 
BracMstola magna Girard. Only found in the western part of 
the state. 
Schistocerca americana Drury. Lee county. Probably occurs 
throughout the southern part of the state. 
Schistocerca ahitacea Harr. Isolated individuals have been 
found from the middle of August on through September. 
Schistocerca emarginata Uhl. Common along railway embank- 
ments and in hazel brush thickets in August and September. 
Either a very distinct variety of the above or else another 
larger species, with bright red or yellow hind tibiae, and sharply 
defined black lines under the eyes, was found very commonly 
in a low marshy place overgrown with willows the last of Sep- 
tember. 
Hesperotettix pratensis Scudd. Rare. A few examples taken 
from the sides of the gravel knoll from August 4th to Sep- 
tember 3d. 
Melanopjlus scudcleri Uhl. Common in dry open woods in 
August and September. 
Melanoplus occidentalis Bruner. Tnis and the two following 
species included for the western part of the state on the author- 
ity of Professor Bruner. 
Melanopus gracilis Bruner. 
Melanoplus albus Dodge. 
3Ielanox)lus dijferentialis Thos. Common about roadways and 
margins of fields. Adults from August through October. 
Sometimes qaite destructive to corn. 
Melanoplus Mvitattus Say. Common as adults from July till 
October. 
Melanoplus packardi Scudd. One specimen August 1st. 
Melanoplus daivsoni Scudd. High open woods. Adults were 
taken from June 6th until July 7th, this season. 
Melanoplus amgustipennis Dodge. Iowa City and Ames. 
Taken from an open woods and along the margin of an adjoin- 
ing corn field, from the middle of August until the last of Sep- 
tember. 
Melanoplus minor Scudd. Rare. A few specimens taken 
August 1 Lth. 
