-4- 
Winter importations of corn borer parasites.--S. M. Dohanian, 
Arlington, Mass., reports that importations to March 31, 1932, frem 
France, Italy, and the Orient total 35,805,125 borers, with 38,256 Eulim— 
neria and 23,749 Microgaster, also from Italy 399,850 Eulophus. 
Parasite situation in Michigan.--Ralph F. Mathes, engaged in the 
recovery of corn borer parasites at Monree, Mich., reports: "Borers 
collected and stored prior to March 14 under hibernation conditions in 
the laboratory to supply information on the field status of imported 
and native parasites were placed under incubation conditions on that 
date. * * * IJnareolata punctoria Roman is appearing in quantity from 
ractically every locality where liberated the past season; Chelonvs 
annulip3s Wesm. continues to appear in the Jerusalem, Ohio, locality; 
Microgaster tibialis Nees is being recovered from most of the points 
where liberated last summer; Masicera senilis Rond. continues to be 
the most promising parasite in the area, It is being recovered in quan— 
tity from nearly every locality where liberated." 
Fungus disease prevalent in stored corn borers.—-W. A. Baker, 
se 
Monrce, reports that "The fungus disease Beauveria bassiana (Bals.) 
Vuill. produced an abnormally high mortality among the stored Eurc— 
pean corn borers this season. Its aprearance was noticed in the lab— 
oratory under conditions of storage and forcing, and was quite gener— 
al throughout the collections. - A particularly severe infection oc— 
curred in the collection of borers originating in northeastern Ohio," 
Larval survival of European corn borer declines in weeds in New 
Engiand.——"The usual tests of survival on important weed host plants: by 
means of artificially induced infestation were conducted in 1931," ac— 
cording: to B.~ E, Hodgson, S.. 0% “Hill; and H. gy) Cronin: Arlington, 
Mass. "In this work eggs are obtained on the underside of the leaves 
by the use of small cages." A tabulation of results shows the total 
Survival on ragweed to be 6.7 per cent, as compared with 12.0 per cent 
in 1950, and on pigweed 3.5 per cent, as compared with 5.0 per cong 
in 1950. "With the exception of mugwort (75.6 per cent) the percent— 
ages of survival run low as compared with corn," which averaged 28.25 
Perecoucyin L930. 

Bait-—trapping for corn borer.-~—"Bait-trap experiments conducted 
during the 1931 August flight period at the U. S. D. A. Farm in Berk- 
ley, Mass.," are reported by C. H. Batchelder and D. D. Questel. “" *i=me 
traps were located at the margins of sweet-corn fields for the pur- 
pose of determining the comparative effectiveness of several ferment— 
ing sirups, the catch was read from three to five times during each 
night, and.records were kept relative to the time, location, prepara— 
tion, and sex of the moths caught. A summary of these» catches for 
the period" shows that of an average number of 54 traps employed rer 
night for 28 nights on 5 acres of "Golden sunshine" sweet corn, with 
an average of 10.8 traps per acre, a total of 2,667 moths were caught, 
or an average of 49 moths per trap and 533 moths rer acre. "Such a 
