00496nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001600076245010600092260005500198300001000253440005000263650002500313Para_4760CHAP220125s1933 xx 000 0 und d a204690 cCHAP aDean, R. W. aMorphology of the digestive tract of the apple maggot fly, Rhagoletis pomonella Walsh /c R. W. Dean aGeneva, N. Y. :b Agricultural Experiment Station a17 p. aNew York Agri. Exp. Sta. Technical bull.; 215 aRhagoletis pomonella