Toxicity of Selected Insecticides to the Restless Bush Cricket, a Minor Pest of Citrus in Florida

Author: Bullock, R. C.

Source: Journal of Economic Entomology, Volume 66, Number 2, 16 April 1973 , pp. 559-560(2)

Publisher: Entomological Society of America

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While orthopterans are considered minor pests in most textbooks and references on citrus entomnology, they can Occasionally produce economically important levels of defoliation and peel injury in citrus crops. Griffiths and Thompson (1952) reported that in Florida severe damage has seldom extended over a wide area, but in local situations control measures have been necessary to prevent the partial or complete defoliation of citrus groves. Giriffiths and Thompson (1947) related one instance where grasshoppers accounted for 75% tree defoliation in a 10-year-old grove. In addition to causing defoliation, grasshoppers occasionally feed on fruit peel, producing injury similar to that caused by katydids and, according to Griffiths (1952), by the “restless bush Cricket,” Hapithus agitator Uhler. Hume (1957) cited katydid injury reportedly involving as much as 57% of a crop. Griffiths (1952) blamed the restless bush cricket for injury to 30–40% of a crop. The latter revelation is the sole published account, to my knowledge, that associates the restless bush cricket with economic injury to citrus. The creature may have been overlooked in the past because it and the katydid share parallel life cycles, similar foliar feeding habits, and a fondness for peel of pea-sized fruit.

Document Type: Research Article

Publication date: April 16, 1973

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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