•191- 
WHEAT STEM MAGGOT ( Meroiay za americana Fitch) 
Indiana J, J. Davis (July 26): The wheat stem maggot «s received on 
June 28 from Greenfield, where it was reported damaging wheat. 
GREEN BUG ( Tozoptera gram i nun Rond„ ) 
Ohio E, W 8 Mendenhall (July 12): I find some infestation by the 
spring grain aphis in western Ohio "out the insect is not doing 
any serious damage to -ah eat. 
Indiana J, J Davis (July 26): Toxoptcra gr ami rum Rond. was abundant 
on oats at Anderson and Argos, on July IS and 19, respectively, 
and apparently doing some damage. 
Michigan R H P Pettit (July 9): Samples of oats infested "by Tcxo_ptora 
graminum Rond. were received from Crystal Palls,, Iron County, 
away up near Lake Superior. This, I believe, is the first 
record for the Upper Peninsula. The specimens were determined 
by Prof* E„ I,. MeDaniel who had experience with the creature 
formerly in Kansas. A fie'id of 20 -acres of oats is reported to 
be entirely destroyed, and the bugs are said to be beginning on 
other fields* Th© weather has been cold and wet, I believe, 
although it has recent'' y turned warm according to the word of 
Earl Roberts, c-jvr.ly agent of Iron Cwmfcy, who sends in the 
specimens. (July l?)' - have a? so received today f rem Empire, 
Michigan, in Leelanau County, samples of Torxpt e ra,, er ami nun 
in cats. 
Minnesota c« E 6 Mickel (July 15); The outbreak cf the green bog continues 
unabated and has spread norths south, east, and west: in the 
State until it. has reached the Jowa line on tne south, the 
Wisconsin line on the east, Pulfith and Bemidji on the north, and 
the South Dakota line en the west, 
C* N ftinslia (July l6): This species, always present in the 
Middle West in email numbers, has increased to the importance 
of a scourge in south-central Minnesota this summer. Small grain 
is now too old for their food and nearly all have game north* 
Thousands of acres of wheat and oats have been practically 
destroyed in 1J> counties in Minnesota., the dry weather aiding 
in the injury. A few fields in northwestern Iowa also show signs 
of green-bug damage. 
South Dakota K, C. Sever in (June 8) : The green bug is becoming abundant on 
oats and wheat and is beginning to do some damage. Parasites 
are still scarce and so also are predacious enemies* 
ENGLISH GRAIN APHID ( Macro siphum granarium Kirby) 
Illinois W„ P. Flint (July 20): 'This aphid has been v ery abundant in 
oat fields in the north-central and northern parts of the State 
during the last two weeks. Considerable' damage to oats has 
occurred in several counties in this section.Urbana. A t the 
