Temporal host plant use in three polyphagous Heliothinae, with special reference to Helicoverpa punctigera (Wallengren) (Noctuidae: Lepidoptera) [New South Wales; Queensland]
1994
Walter, G.H. | Benfield, M.D. (Queensland Univ., St Lucia (Australia). Dept. of Entomology)
A survey conducted in southern Queensland and northern New South Wales indicated that Helicoverpa punctigera larvae were present on relatively few plant species. A detailed study of host plant use in a non-cropping area in which H. punctigera were numerous demonstrated restricted host plant use by this species. The results imply that the polyphagy of H. punctigera is probably not as extensive as previously claimed. The surveys also yielded information on host plants of 2 other heliothine noctuids, H. armigera and Australothis rubrescens.
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