ガンマキンウワバAutographa gamma(L.)とタマナギンウワバA.nigrisigna(WALKER)のキャベツ圃場における発生消長および性フェロモントラップによる捕獲消長

概要

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The seasonal prevalence of Plusunae species was investigated every week in a cabbage field at Hitsujigaoka, Sapporo (43°30″N, 141°25′E) from 14 June to 4 December 1991. Only three Plusunae species : the silver Y moth (Autographa gamma), the Asiatic Common Looper (A.nigrisigna), and the cabbage looper (Trichoplusia ni) were collected. There were few individuals of the latter species. The number of immature stages of A.nigrisigna increased twice in June and August, then decreased during and after September. A.gamma increased three times in June-August, September and November. The last population of A.gamma was relatively big until the beginning of December. A similar tendency was revealed by using sex-pheromone traps every day from May to November 1991. However, many more A.gamma were captured than A.nigrisigna.
日本応用動物昆虫学会の論文
1993-05-25