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Download Download PLATINUM The Journal of Threatened Taxa (JoTT) is dedicated to building evidence for conservaton globally by publishing peer-reviewed artcles OPEN ACCESS online every month at a reasonably rapid rate at www.threatenedtaxa.org. All artcles published in JoTT are registered under Creatve Commons Atributon 4.0 Internatonal License unless otherwise mentoned. JoTT allows unrestricted use, reproducton, and distributon of artcles in any medium by providing adequate credit to the author(s) and the source of publicaton. Journal of Threatened Taxa Building evidence for conservaton globally www.threatenedtaxa.org ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) Monograph Spider (Arachnida: Araneae) fauna of the scrub jungle in the Madras Christian College campus, Chennai, India John T.D. Caleb 18 May 2020 | Vol. 12 | No. 7 | Pages: 15711–15766 DOI: 10.11609/jot.5758.12.7.15711-15766 For Focus, Scope, Aims, Policies, and Guidelines visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-0 For Artcle Submission Guidelines, visit htps://threatenedtaxa.org/index.php/JoTT/about/submissions#onlineSubmissions For Policies against Scientfc Misconduct, visit htps://threatenedtaxa.org/index.php/JoTT/about/editorialPolicies#custom-2 For reprints, contact <[email protected]> The opinions expressed by the authors do not refect the views of the Journal of Threatened Taxa, Wildlife Informaton Liaison Development Society, Zoo Outreach Organizaton, or any of the partners. The journal, the publisher, the host, and the part- Publisher & Host ners are not responsible for the accuracy of the politcal boundaries shown in the maps by the authors. Member Threatened Taxa Journal of Threatened Taxa | www.threatenedtaxa.org | 18 May 2020 | 12(7): 15711–15766 ISSN 0974-7907 (Online) | ISSN 0974-7893 (Print) PLATINUM OPEN ACCESS DOI: htps://doi.org/10.11609/jot.5758.12.7.15711-15766 #5758 | Received 06 February 2020 | Final received 18 April 2020 | Finally accepted 29 April 2020 M o n Spider (Arachnida: Araneae) fauna of the scrub jungle in the o g r Madras Christan College campus, Chennai, India a p John T.D. Caleb h Department of Zoology, Madras Christan College (afliated to the University of Madras), Tambaram, Chennai, Tamil Nadu 600059, India. [email protected] Abstract: A total of 108 species of spider species belonging to 84 genera and 25 families were identfed from the scrub jungle of the Madras Christan College campus. Pagida saltciformis (O. Pickard-Cambridge, 1883) is recorded for the frst tme from India. Langona tgrina (Simon, 1885) is rediscovered 135 years since its frst descripton and the unknown male is described and illustrated. A new combinaton, Langona davidi (Caleb, Mungkung & Mathai, 2015) comb. nov. is proposed for the species previously placed in Phlegra. Three new synonymys have been recognized: Clubiona foliata Keswani & Vankhede, 2014 and Clubiona pashabhaii Patel & Patel, 1973 are junior synonyms of Clubiona flicata O. Pickard-Cambridge, 1874 and Myrmarachne megachelae Kumar & Mohanasundaram, 1998 is a junior synonym of Myrmaplata plataleoides (O. Pickard-Cambridge, 1869). Distributon records of several species have been updated and as many as 31 species are recorded for the frst tme from Tamil Nadu State. The family Saltcidae is the most diverse with 28 species belonging to 22 genera followed by Araneidae with 19 species in 11 genera. Guild structure analysis revealed seven feeding guilds of which, stalkers and orb-web weavers are the dominant feeding guilds followed by ground runners, ambushers, and scatered line weavers, respectvely. Keywords: Diversity, guild structure, new combinaton, new record, new synonym, taxonomy, tropical dry evergreen forest. Abbreviatons: AER—anterior eye row length; ALE—anterior lateral eye; AME—anterior median eye; EFL—eye feld length; MCC— Madras Christan College, Tambaram, Chennai; NCBS—Natonal Centre for Biological Sciences, Bengaluru; NHMW—Natural History Museum, Vienna (curator Christoph Hörweg); PER—posterior eye row length; PLE—posterior lateral eye; PME—posterior median eye; RTA—retrolateral tbial apophysis; SRC-ZSI—Southern Regional Centre, Zoological Survey of India, Chennai; VTA—ventral tbial apophysis; WILD—Wildlife Informaton Liaison Development, Coimbatore. !"#க%: 84 ேப#ன%க' ம*+, 25 -.,ப%கைள1 ேச34த ெமா8த, 108 வைகயான சில4தி சி*றின%க' ெம>ரா@ கிறி@Aவ கBC# வளாக8திலிD4A அைடயாள, காணHப>டன. பாகிடா சாBIகிஃபா3மி@ (ஓ. பLMகா3>-ேக,பL#>N, 1883) இ4தியாவLB PதB Pைறயாக பதிQ ெசRயHப>.'ளA. ல%ேகானா ைடM#னா (ைசமS, 1885) அதS PதB வLளMக8திலிD4A 135 ஆU.கVM- பLற- மWU., கU.பLIMகHப>டA ம*+, அறியHபடாத ஆU பாலின, வLவ#MகHப>.'ளA. ஒD Yதிய ப#மா*ற,, ல%ேகானா ேடவLI (காேலH, P%-% & ம8தாR, 2015) PSன3 பLெளMராவLB ைவMகHப>ட இன%கVM- PSெமாழியாMகHப>டA. கிளபLேயானா ஃேபாலியா>டா ெக@வான\ & வாSகேட, 2014 ம*+, கிளபLேயானா பஷாபாR பேடB & பேடB, 1973 இைத கிளபLேயானா ஃபLலிேக>டா ஓ. பLகா3>-ேக,பL#>N, 1874 ஒ8த சி*றினமாக கU.பLIMகHப>.'ளA. மி3மரகிேன ேமக1ெசேல -மா3 & ேமாகனc4தர,, 1998 இைத மி3மபLளடா பLள>ெலR>@ (ஓ. பLகா3>-ேக,பL#>N, 1869) ஜூன\ய3 ஒ8த சி*றினமாக கU.பLIMகHப>.'ளA. பல உயL#ன%கள\S வLநிேயாக பதிQக' YAHபLMகHப>.'ளன ேமh, 31 சி*றின%க' PதSPைறயாக தமிiநா. மாநில8திலிD4A பதிQ ெசRயHப>.'ளன. 28 சி*றின%க' ெகாUட சாBIசிேட ம*+, 19 சி*றின%க' ெகாUட அேரன\ேட ஆகியைவ மிகQ, மா+ப>ட சில4தி -.,ப%களாக உ'ளன. ஏm உணQM -mMகைள ெகாUட இைத @டாMக3க' ம*+, உDUைட-வைல ெநசவாள3க' ஆதிMக, ெசh8A, -mMக' எனHப.,, அைத8 ெதாட34A தைரயLB ஓ.பவ3க', பA%கியLDHபவ3க' ம*+, சிதறிய வ#ைச ெநசவாள3க' இற%- வ#ைசயLS PைறHபI காணHப.கிSறன. Editor: Anonymity requested. Date of publicaton: 18 May 2020 (online & print) Citaton: Caleb, J.T.D. (2020). Spider (Arachnida: Araneae) fauna of the scrub jungle in the Madras Christan College campus, Chennai, India. Journal of Threatened Taxa 12(7): 15711–15766. htps://doi.org/10.11609/jot.5758.12.7.15711-15766 Copyright: © Caleb 2020. Creatve Commons Atributon 4.0 Internatonal License. JoTT allows unrestricted use, reproducton, and distributon of this artcle in any medium by providing adequate credit to the author(s) and the source of publicaton. Funding: Self funded. Competng interests: The author declares no competng interests. For Author details & Acknowledgements see end of this artcle. 15711 J TT Spider fauna of Madras Christan College campus Caleb INTRODUCTION 1978; Amirthalingam 2005). With over 48,000 described species (World Spider Collecton, preservaton, and identfcaton Catalog 2020) and over 1,20,000 expected species Live specimens were photographed in the feld and (Agnarsson et al. 2013) spiders are one of the most diverse then collected. They were then taken to the lab and invertebrates that can be found in almost all terrestrial photographed using a Nikon D60 DSLR 18–55 mm, for habitats except Antartca (Turnbull 1973). Their diversity macro capability the regular lens was removed, reversed in India is represented by 1,830 species in 470 genera and and mounted on the body with the help of a ring 60 families (Caleb & Sankaran 2020; World Spider Catalog atachment. Collected specimens were preserved in 70% 2020). alcohol. Specimens were later examined in detail using The spider fauna of the tropical dry evergreen forests a NIKON SMZ1000 stereoscopic microscope. Male palps (TDEF) from Chennai and its surrounding regions is known were detached, examined and kept in a separate vial along only by a few early works of Pocock (1900, 1901), Sherrifs with the original specimen and female genitalia were (1919, 1927), Gravely (1921–1935), and Phanuel (1963). excised using fne surgical scalpel. The epigyne was then There was, however, a great lapse thereon for about cleared in 10% KOH aqueous soluton. Leg measurements more than half a century untl further studies took place. are given as total length (femur, patella, tbia, metatarsus, Recent studies added considerably to the knowledge of tarsus). All measurements are in millimetres (mm). the group with numerous new discoveries including the Identfcaton was made by the help of taxonomic keys descripton of new species, new records and rediscovery and diagnostc illustratons provided by Pocock (1900, of species (Caleb & Mathai 2013, 2014a,b, 2015, 2016a; 1901), Gravely (1921a,b, 1924, 1931), Tikader (1980a,b, Caleb et al. 2015, 2020), indicatng that there is more to 1982), Tikader & Malhotra (1980), Tikader & Biswas explore from these regions. The present work aims to (1981), Sethi & Tikader (1988), Proszynski (1992, 2016) provide an overview of spider diversity known from the and other relevant literatures. The specimens studied are scrub jungle enclosed within the Madras Christan College deposited at the Department of Zoology, Madras Christan campus, Tambaram, India. College, Tambaram, Chennai, Wildlife Informaton Liaison Development, Coimbatore, Natonal Centre for Biological Sciences, Bengaluru, and Southern Regional Centre, MATERIALS AND METHODS Zoological Survey of India, Chennai. The terminology follows the World Spider Catalog (2020). Taxonomic Study area references pertaining only to Indian records have been Spider specimens were collected from within the mentoned for each species. For detailed taxonomic Madras Christan College (MCC) campus from 2010 to records refer the World Spider Catalog (2020). 2015. MCC is one of Asia’s oldest educatonal insttutons in Chennai established in 1837. It is presently situated on a 365acre (1.48km2) campus, at Tambaram (12.923–12.920 SURVEY OF SPECIES °N & 80.120–80.123 °E), on the southwestern extremity of Chennai City (Images 1A–B). The campus has various Family Araneidae Clerck habitat structures including open grasslands, thick forest Genus Anepsion Strand patches, scrub jungle patches, and water bodies (Images Anepsion maritatum O.
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