作者: L. G. Monteith
DOI: 10.4039/ENT92641-9
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摘要: Earlier work indicated that food plants of the tenthredinid sawflies attacked by Drino bohemica Mesn. and Bessa harveyi Tns. influence host-finding these tachinid parasites (Monteith, 1955, 1958a). There is a high degree interaction between stimuli produced host larvae their 1958b).It was observed during field studies percentage parastism B. larch sawfly, Pristiphora erichsonii (Htg.), varied with increasing height above ground in different sections tamarack trees, Larix larician (DuRoi) K. Koch, on which sawfly were feeding. It appeared shrubs trees other than L. laricina influenced harveyi.