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The following is virtually the author's summary of this second part of a series [cf. RAE A 59 2659]. Experiments on saplings of lime (Tilia) under con...
Read moreMeasurements of web cover, aphid availability and aphid capture were made in fields of winter wheat in West Sussex and East Anglia, England, in 1981 a...
Read moreIn one year, saplings of T. X vulgaris [T. X europaea] increased very little in weight when a population of E. tiliae was allowed to develop on them. ...
Read moreIn a field study in Scotland, two trees 10 m. high produced small leaves after heavy infestation with aphids during the spring, but the reduction in l...
Read moreAphid clones that feed on the same plant species for many generations often develop biotypes specifically adapted to the particular host-plant. Such b...
Read moreThe following is virtually the author's summary of this account of observations in Scotland [cf. RAE A 54 678; 59 1153, 2160]. A sycamore tree kept un...
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