Population Characteristics of Phalangium opilio (Opiliones: Phalangiidae) in Kentucky Agroecosystems

Blake L. Newton; Kenneth V. Yeargan

doi:10.1603/0046-225X-31.1.92

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Blake L. Newton,^1,2 Kenneth V. Yeargan²

¹blnewt00@pop.uky.edu
²Department of Entomology, S-225 Agricultural Science Center North, University of Kentucky, Lexington, KY 40546-0091

Abstract

A 2-yr pitfall-trap study was conducted to examine the species composition of the Opiliones and the seasonal age-structure of Phalangium opilio (L.) in central Kentucky soybean, grassland, and alfalfa habitats. Phalangium opilio was the most commonly caught opilionid in all habitats, accounting for >90% of the adult specimens captured in soybean and alfalfa. Pitfall-trap results also suggest that Kentucky P. opilio populations have three generations per year and overwinter in the egg stage. Absolute sampling indicated that P. opilio was present at densities of <0.5 per m² in soybean.

Citation Download Citation

Blake L. Newton and Kenneth V. Yeargan "Population Characteristics of Phalangium opilio (Opiliones: Phalangiidae) in Kentucky Agroecosystems," Environmental Entomology 31(1), 92-98, (1 February 2002). https://doi.org/10.1603/0046-225X-31.1.92

Received: 5 March 2001; Accepted: 1 September 2001; Published: 1 February 2002