Catch of Insects at Different Heights in Traps Equipped with Blacklight Lamps1,2

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Two trap installations were operated during 1967 in Wilson County, North Carolina, to gather information on the flying heights of tobacco insects. In I installation, insect traps equipped with blacklight lamps were mounted at about 11-ft intervals to 99 ft above ground with the lowest trap 11 ft above ground; in a 2nd installation, traps were mounted at 5-ft intervals to 20 ft above ground with the lowest trap at ground level.

Catches of tobacco hornworm Manduca sexta (Johannson), and tomato hornworm, M. quinquemaculata (Haworth), were notably larger in the ground-level trap than in higher traps, indicating that catches of trap installations using blacklight as an attractant are enhanced by operating a trap at ground level to capture moths going to the ground after being attracted to traps at higher levels.

Height distribution in the traps is reported for the following 12 species: salt-marsh caterpillar, Estigmene acrea (Drury); black cutworm, Agrotis ipsilon (Hufnagel); cabbage looper, Trichoplusia ni (Hübner); armyworm, Pseudaletia unipulncta (Haworth); yellow-striped armyworm, Prodenia ornithogalli Guenee; corn carworm, Heliothis Zea (Boddie); tobacco hornworm, tomato hornwom, ground beetle, Harpalus sp.; carrion beetle, Silpha surinamensis F.; and May beetles Phyllophaga crenulata Froelich and P. lulctuosa Horn.

Document Type: Research Article

Publication date: October 1, 1968

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  • 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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