STUDIES ON THE CEREAL ECOSYSTEM
197
Woodville, H. C. (1968). PI. Path. 17, 64-68. Saddle gall midge survey on barley
1967.
Woodville, H. C. (1970). PI. Path. 19, 141-146. Results of a three year survey of
saddle gall midge (Hqlodiploa.iS eqwtrb (Wagn.)) on spring barley.
Wright, D. W. Howells, W. R. and Bowe, D. D. (1966). Rep. a n . Veg. Rea. Stn.
for 1955, 47. Natural enemies of the cabbage root fly.
Wright, D. W., Hughes, R. D, and Worrall, J. (1960). Ann. appl. Biol. 48,
766-783. The effect of certain predators on the number of cabbage root fly
E. brasa&ccce Bouch6, and the subsequent damage caused by the pest.
197
Woodville, H. C. (1968). PI. Path. 17, 64-68. Saddle gall midge survey on barley
1967.
Woodville, H. C. (1970). PI. Path. 19, 141-146. Results of a three year survey of
saddle gall midge (Hqlodiploa.iS eqwtrb (Wagn.)) on spring barley.
Wright, D. W. Howells, W. R. and Bowe, D. D. (1966). Rep. a n . Veg. Rea. Stn.
for 1955, 47. Natural enemies of the cabbage root fly.
Wright, D. W., Hughes, R. D, and Worrall, J. (1960). Ann. appl. Biol. 48,
766-783. The effect of certain predators on the number of cabbage root fly
E. brasa&ccce Bouch6, and the subsequent damage caused by the pest.
