The population biology and ecology of the Homerus swallowtail, Papilio (Pterourus) homerus, in the Cockpit Country,Jamaica |
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Authors: | Matthew S. Lehnert |
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Affiliation: | (1) Department of Entomology and Nematology, University of Florida, Gainesville, FL 32611-0620, USA;(2) McGuire Center for Lepidoptera and Biodiversity Research, Florida Museum of Natural History, University of Florida, S.W. 34th Street and Hull Road, P.O. Box 112710, Gainesville, FL 32611-2710, USA |
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Abstract: | The Homerus swallowtail, Papilio (Pterourus) homerus (Lepidoptera: Papilionidae), is an endangered species of butterfly endemic to Jamaica. As the largest species of the genus Papilio in the world and the largest butterfly in the Western Hemisphere, this rare butterfly once inhabited most of Jamaica but has now dwindled into two tiny populations: an eastern population, found where the Blue Mountains and John Crow Mountains merge, and a western population in the Cockpit Country. The present research focused on the previously unstudied Cockpit Country population of P. homerus; most previous information about this species is derived from studies of the eastern population. The purpose was to estimate the size of the remaining population in the Cockpit Country using MRR protocols, while making observations to better understand its ecology. Sampling consisted of carefully netting the butterfly, marking a permanent ink number on the wing (metallic Sharpie® marker), and recording winglength, wing condition, time, and sex. The population was found to be very small, estimated at fewer than 50 flying individuals. Many observations were made about the ecology of the species. These new data suggest a conservation plan is strongly needed, coupled with a breeding program to increase numbers of this extraordinary butterfly. |
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Keywords: | Mark-recapture Homerus Ecology Conservation Endangered |
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