Agelenids of the World

Systematics and Taxonomy of Agelenidae, a Worldwide distributed Spider Family

Chromosomes of the funnel-web spider Agelena limbata (Araneae: Agelenidae)

Publication Type:Journal Article
Year of Publication:1993
Authors:N. Tsurusaki, Ihara, Y., Arita, T.
Journal:Acta Arachnologica
Date Published:1993
ISBN Number:0001-5202
Keywords:Agelena limbata (Araneae)., Agelena limbata [Karyotype / / ] [Japan / / Honshu, Asia, Chromosomes, Cytogenetics, Eurasia, Genetics, Hiroshima &, Land zones, Palaearctic region, Tottori].

The number of chromosomes of the funnel-web spider Agelena limbata is reported to be 2n=42 (40+X-1X-2) in males and 44 (40+X-1X-1X-2X-2) in females based on the observation of three populations from western Honshu, Japan. These numbers do not conform to those reported by SUZUKI (1954) where the diploid number in male was interpreted as 44 (42+X-1X-2). The disharmony in chromosome number between the two results may be attributable to the possible miscounting in SUZUKI'S observation. Unlike previous reports on chromosomes of Agelena and most of other genera of spiders, A. limbata was shown to have some pairs of meta- or submetacentrics in its karyotype.

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