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When weather was favourable (warm, dry) for ovi-position by O. frit, the combined activity of predators and parasites was found to be inadequate to pr...
Read moreYield of grain from oats sown late (28 Apr.) and sprayed twice in May with 0.5% parathion was about 33% greater than that of untreated oats.-R.B.
Read moreThis paper is one of a number on the effects on wildlife of contamination of the environment by pesticides that were presented at a conference in Engl...
Read moreThe following is based almost entirely on the author's summary. In investigations in southern England, nearly twice as many eggs were laid by females ...
Read moreThe following is virtually the author's summary of this account of observations in southern England. Weather at the critical times of oviposition, lar...
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