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New Species of Endemic Kleptoparasitic Spiders of the Genus Argyrodes (Araneae: Theridiidae) in the Hawaiian Islands.

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Title: New Species of Endemic Kleptoparasitic Spiders of the Genus Argyrodes (Araneae: Theridiidae) in the Hawaiian Islands.
Authors: Rivera, Malia
Gillespie, Rosemary G.
LC Subject Headings: Natural history--Periodicals.
Science--Periodicals
Natural history--Pacific Area--Periodicals.
Issue Date: Apr 2010
Publisher: Honolulu, University of Hawaii Press
Citation: Rivera M, Gillespie RG. New Species of Endemic Kleptoparasitic Spiders of the Genus Argyrodes (Araneae: Theridiidae) in the Hawaiian Islands. Pac Sci 64(2): 221-232.
Series/Report no.: vol. 64, no. 2
Abstract: This study examined the endemic species of kleptoparasitic spiders in the genus Argyrodes from the Hawaiian Islands, a lineage previously known in the archipelago from only a single described species, Argyrodes hawaiiensis Simon. Here, two additional endemic species are described, A. ilipoepoe Rivera and Gillespie, n. sp., and A. laha Rivera and Gillespie, n. sp., with their biogeographical patterns, and the allotype female and paratypes of A. hawaiiensis are designated. As with A. hawaiiensis, both new species are commonly found as kleptoparasites on the sheet webs of large nocturnal spiders in the genus Orsonwelles (Linyphiidae). Hawaiian Argyrodes are characterized by small and rounded abdomens, unpronounced clypeal projections, and variably long fangs. Argyrodes hawaiiensis; A. ilipoepoe, n. sp.; and A. laha, n. sp., include all the known endemic representatives of the group in the Hawaiian Islands, which mostly occur in wet and mesic forests.
Description: v. ill. 23 cm.
Quarterly
Pages/Duration: 12 p.
URI/DOI: http://hdl.handle.net/10125/23103
ISSN: 0030-8870
Appears in Collections:Pacific Science, Volume 64, Number 2, 2010



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