Developing Resistance or Tolerance to Insect Attack

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Abstract:

There are many peculiarities in relation to insect attacks which have not been explained. Some are undoubtedly physiological, others may have a distinct relation to the vigor or condition of the plant, as in the case of the Hessian fly, Phytophaga destructor Say, the lace bugs of rhododendrons and azaleas, Stephanitis rhododendri Horv. and Stephanitis pyrioides Scott, respectively. Injury is also somewhat proportionate to the size and vigor of the host, as evidenced by European corn borer, Pyrausta nubilalis Hubn., infestations. Extended injuries by the elm leaf beetle, Galerucella xanthomelaena Schrank, are dependent in considerable measure upon favorable climatic conditions, these latter undoubtedly resulting in a less vigorous growth. A peculiar and unexplained physiologic-al reaction by gipsy moth larvae, Porthetria dispar Linn., is also mentioned. Evidence available indicates that a number of the cambium borers, namely the bronze birch borer, Agrilus anxius Gory, the two-lined chestnut borer, Agrilus bilineatus Web., the hickory bark beetle, Scolytus quadrispinosus Say, and the cedar bark beetle, Phloeosinus dentatus Say.

Document Type: Research Article

Publication date: April 1, 1931

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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