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1 November 2000 Prey- and Density-Mediated Dispersal in Carcinops pumilio (Coleoptera: Histeridae), a Predator of House Fly (Diptera: Muscidae) Eggs and Larvae
P. E. Kaufman, S. J. Long, D. A. Rutz, C. S. Glenister
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Abstract

Carcinops pumilio (Erichson) were collected using two trapping methods: a black light pitfall trap and a mesh-bottomed trap placed on poultry manure. C. pumilio collected with black lights and subsequently starved had a significantly higher dispersal rate during days 1-3 than fully fed groups. When densities of <500 Caloglyphus berlesei (Michael) (Acarina: Acaridae) per 50 C. pumilio were provided, mite availability had a significant effect on dispersal of beetles captured with both black light traps and the mesh-bottomed trap during the day 1-3 period. Our results indicate that the availability of acceptable food sources can delay and possibly prevent dispersal by C. pumilio. Black light-captured beetles appeared to be in a state of dispersal when captured. A subset of dispersing beetles was present in groups captured with the mesh-bottomed trap.

P. E. Kaufman, S. J. Long, D. A. Rutz, and C. S. Glenister "Prey- and Density-Mediated Dispersal in Carcinops pumilio (Coleoptera: Histeridae), a Predator of House Fly (Diptera: Muscidae) Eggs and Larvae," Journal of Medical Entomology 37(6), 929-932, (1 November 2000). https://doi.org/10.1603/0022-2585-37.6.929
Received: 3 March 2000; Accepted: 1 July 2000; Published: 1 November 2000
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