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2017 | 15 |

Tytuł artykułu

Spider faunal diversity of Barasat and Basirhat, 24 Parganas, West Bengal, India

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
The present study is on the spider fauna of Barasat and Basirhat of North 24 Parganas, West Bengal, India. A total of 23 species belonging to 20 genera and 11 families are sampled during the period August 2016 to July 2017. These include the newly recorded species, Anepsion maritatum (O.P. Cambridge) from the state. The dominant guild is constituted by the Orb web weavers (30.43%). Analysis of their zoogeographical distribution reveals that the fauna apart from being Oriental also includes some Australian (23%), Palaearctic (21.73%) and Ethiopian, Nearctic and Neotropical (each 17.39%) elements. Spiders are mostly prevalent during Postmonsoon (82.60%), followed by Premonsoon (60.86%) and Monsoon (47.82%) which is in conformity with the incidence of the insect species. Two species namely Eriovixia excelsa (Simon) and Leucauge decorata (Blackwall) are recorded throughout the period of survey. All the diversity indices are higher in case of Basirhat as compared to Barasat. An overall negative impact of urbanization on spider diversity, distribution and abundance is evidenced from the present study. Ranking sequence of the most abundant species (six) in descending order are: Leucauge decorata (25.68%) > Eriovixia excelsa (19.13%) > Pholcus phalangioides (11.48%) > Plexippus paykullii (8.74%) > Anepsion maritatum (7.10%) > Cyrtophora cicatrosa (6.56%). Sex ratio (♀ : ♂) is about 12 : 1. Availability of food/season and/or cannibalism may be the factors for female dominated society.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

15

Opis fizyczny

p.49-85,fig.,ref.

Twórcy

autor
  • Post Graduate Department of Zoology, Barasat Government College, 10, K.N.C. Road, Barasat, Kolkata - 7000124, India
autor
  • Post Graduate Department of Zoology, Barasat Government College, 10, K.N.C. Road, Barasat, Kolkata – 7000124, India
  • IRDM Faculty Centre, Department of Agricultural Biotechnology, Ramakrishna Mission Vivekananda University, Narendrapur, Kolkata – 700103, India

Bibliografia

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  • [3] Malamel, J. J., Sankaran, P. M., Joseph, M. M. & Sebastian, P. A. 2015. Cyrtarachne keralensis Jose, 2011 is a junior synonym of Anepsion maritatum (O. Pickard-Cambridge, 1877) (Araneae, Araneidae). Zootaxa, 4039(3): 478-482
  • [4] Metzner, H. 2017. Jumping spiders (Arachnida: Araneae: Salticidae) of the world. Online at: www.jumping-spiders.com (accessed on 10.09.2017).
  • [5] Raychaudhuri, D., Saha, S. and Sen, S. 2012. Spider Bioresources: Reserve Forests, Dooars and Darjeeling, West Bengal. Version 1.0 online at www.spiderbioresource.com/index.html (accessed on 10.06.2017).
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  • [8] Sen,S., Saha. S. and Raychaudhuri, D. 2010. Inventorizing the spiders as bioresource of Dooars and Darjeeling district of West Bengal. Final Technical Report, DBT, GOI : 118 pp.
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  • [11] World Spider Catalog. 2017. World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 18.0 (accessed on 10.09.2017).
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  • [21] Stano Pekár, Ian Hardy, Comparative analysis of passive defences in spiders (Araneae), Journal of Animal Ecology, 2014, 83, 4, 779
  • [22] Peter Michalik, Martín J. Ramírez, Evolutionary morphology of the male reproductive system, spermatozoa and seminal fluid of spiders (Araneae, Arachnida) – Current knowledge and future directions, Arthropod Structure & Development, 2014, 43, 4, 291
  • [23] Akio Tanikawa, Akira Shinkai, Tadashi Miyashita, Molecular Phylogeny of Moth-Specialized Spider Sub-Family Cyrtarachninae, which Includes Bolas Spiders, Zoological Science, 2014, 31, 11, 716
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Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

bwmeta1.element.agro-f033fa48-7f40-462e-81c1-b1f52b622258
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