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Insects are the largest taxonomic group in the animal kingdom and their significant role in ecology needs no description. Spiders are exclusively predatory, hence can play a very important role in regulation of insect population in any ecosystem. Comprehensive study of spider fauna of Tripura has not been carried out yet. In our present study, we are attempting to provide relevant information regarding spiders. This information may serve as the baseline documentation for future studies in Tripura. A survey was carried out during July 2011 to January 2012 in a house garden (artificial mixed plantation) in Khayerpur of west Tripura district. A total of 47 spider species belonging to 36 genera of 14 families were collected. Among all the families, Salticidae dominated the studied assemblage and represents approximately 38% of the total species collected.Article Citation:Animesh Dey, Susmita Debnath, Biplab Debbarma and PS Chaudhuri.A preliminary study on spider diversity from a house hold garden (artificial mixed plantation) in West Tripura, India.Journal of Research in Biology (2013) 3(5): 1009-1017Full Text:http://jresearchbiology.com/documents/RA0361.pdf

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  • Article Citation: Animesh Dey, Susmita Debnath, Biplab Debbarma and PS Chaudhuri. A preliminary study on spider diversity from a house hold garden (artificial mixed plantation) in West Tripura, India. Journal of Research in Biology (2013) 3(5): 1009-1017

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    Biology

    A preliminary study on spider diversity from a house hold garden

    (artificial mixed plantation) in West Tripura, India

    Keywords: Spider diversity, artificial mixed plantation, salticidae, insect predator

    ABSTRACT: Insects are the largest taxonomic group in the animal kingdom and their significant role in ecology needs no description. Spiders are exclusively predatory, hence can play a very important role in regulation of insect population in any ecosystem. Comprehensive study of spider fauna of Tripura has not been carried out yet. In our present study, we are attempting to provide relevant information regarding spiders. This information may serve as the baseline documentation for future studies in Tripura. A survey was carried out during July 2011 to January 2012 in a house garden (artificial mixed plantation) in Khayerpur of west Tripura district. A total of 47 spider species belonging to 36 genera of 14 families were collected. Among all the families, Salticidae dominated the studied assemblage and represents approximately 38% of the total species collected.

    1009-1017 | JRB | 2013 | Vol 3 | No 5

    This article is governed by the Creative Commons Attribution License (http://creativecommons.org/

    licenses/by/2.0), which gives permission for unrestricted use, non-commercial, distribution and reproduction in all medium, provided the original work is properly cited.

    www.jresearchbiology.com Journal of Research in Biology

    An International

    Scientific Research Journal

    Authors: Animesh Dey1*,

    Susmita Debnath1, Biplab

    Debbarma1, PS Chaudhuri 2.

    Institution:

    1. Department of Zoology,

    Maharaja Bir Bikram

    College, Agartala - 799004,

    West Tripura

    2. Department of Zoology,

    Tripura University,

    Suryamaninagar 799022, West Tripura

    Corresponding author:

    Animesh Dey

    Email Id:

    Web Address: http://jresearchbiology.com/documents/RA0361.pdf.

    Dates: Received: 24 June 2013 Accepted: 18 July 2013 Published: 16 Aug 2013

    Journal of Research in Biology An International Scientific Research Journal

    Original Research

  • INTRODUCTION

    The arachnids are the second largest contributor

    (8.3%) of total arthropod diversity after insects. Spiders

    belong to the order Araneae of class Arachnida and are

    one of the diverse and functionally important predators.

    Hence, spiders can play a very important role in

    regulating the terrestrial arthropod populations

    (Coddington and Levi, 1991). Considering, the

    potentiality of spiders as bio-control agents of insect

    pests and bio-indicator as well, exploration of spider

    diversity need to be done with immediate effect. Since

    the distribution and occurrence of spiders are greatly

    related to habitat structure and vegetation parameters

    (Buddle et al., 2000; de Souza and Martins, 2004;

    Greenstone, 1984; Uetz, 1991; Wise, 1993), study of

    spiders can be very much helpful for understanding

    biodiversity patterns (Platnick, 1999). Despite of their

    enormous importance in the natural ecosystem, spiders

    are largely ignored in conservational studies (Chetia and

    Kalita, 2012).

    Now-a-days, distribution and diversity of spiders

    has been studied in different parts of the world. A well

    illustrated account of the diversity, beauty and intricacies

    of spiders has been documented by Taylor (1999).

    Although few reports on spiders from southern part of

    the country are available up to some extent (Charpentier,

    1996; Jose and Sebastian, 2001; Jose et al., 2006; Smith,

    2004; Sugumaran et al., 2005; Vijayalakshmi and

    Ahimaz, 1993), there are scanty records on diversity and

    distribution of spiders in India including its north east

    part as compared to other regions of the world. In NE

    India, diversity of spiders approximately unexplored and

    have received least attention in conservation strategies

    (Singh et al., 2012). A very few documentations

    (Tikader, 1970; Biswas, 2000a, 2000b, 2003, 2004,

    2006, 2007) are available on spiders of north east India.

    As far as the spider diversity of Tripura is concerned, it

    is still not completely explored or understood. The main

    aim of this study was to explore the spider species

    richness in a house hold garden. Considering the duration

    and plot size, this study is far from the complete

    exploration of spider fauna of the state. However, it

    forms the basis for further investigations on this faunal

    group and reveals the importance, as well as potentiality

    Dey et al., 2013

    1010 Journal of Research in Biology (2013) 3(5): 1009-1017

    Figure 1. Showing the study site (Khayerpur) near Agartala city

  • of house hold gardens as natural habitat of spider fauna.

    MATERIALS AND METHODS

    The study was conducted during July 2011 to

    January 2012 in a house hold garden having an area of

    80 m2 in Khayerpur (23 50' 37.9'' N, 91 20' 39.9'' E;

    elevation 24 m) near to the Agartala city of west Tripura

    district (Fig. 1). Since, polyculture house hold gardens

    with such type of size are very rare in the core city of

    Agartala now a days, the above site is selected for this

    preliminary survey of spider fauna near to the city.

    Aerial and ground hand collection methods, along with

    vegetation beating was mainly used for the collection of

    spider specimens. Spiders were searched visually also

    under fallen tree branches, leaf litters etc. Collected

    specimens were preserved in 70% ethanol for further

    identification. Keys and catalogs provided by Biswas and

    Biswas (1992, 2003, 2004), Sebastian and Peter (2009)

    and Tikader (1987) were followed for the identification

    of spider specimen.

    RESULTS AND DISCUSSION

    A total of 47 spider species were collected from

    the studied house hold garden. Among the collected

    species of spiders, eighteen species belong to the family

    Salticidae, seven species to the family Araneidae, three

    species each to the family Tetragnathidae, Lycosidae and

    Thomisidae, two species each to the family Nephilidae,

    Oxyopidae, Sparassidae, and Theridiidae, one species

    each to the families Scytodidae, Hersiliidae, Uloboridae,

    Corinnidae and Miturgidae (Table 1). India represents

    438 genera (Keswani et al., 2012) from which 36 genera

    were recorded during the study. Highest generic diversity

    was found in Salicidae (12), Araneidae (6),

    Tetragnathidae (3), Lycosidae (3) and Thomisidae (2)

    (Fig. 2). Among the collected spiders, four (Cyrtophora

    unicolor, Camaricus maugi, Nephila pilipes, Heteropoda

    cervina) and one (Menemerus bivittatus) species of

    spiders were also reported from Australia and USA

    respectively (Framenau, 2013; Richman et al., 2005).

    Rest are endemic to south-east Asia (Siliwal et al., 2005)

    and distribution of four species (Thiania bhamoensis,

    Argiope versicolor, Cyrtophora unicolor, Amyciaea

    lineatipes) are reported in India for the first time

    (Keshwani et al., 2012).

    A total of 1686 spider species accounts with

    India (Keswani et al., 2012) and 47 species are recorded

    during the study from a small house hold garden.

    Records on spider diversity from the other parts of the

    country viz. Andaman and Nicobar Islands, Sikkim,

    Calcutta and Assam (Chetia and Kalita, 2012; Singh

    et al., 2012; Tikader and Biswas, 1981; Tikader, 1970,

    1977, 1980) are comparable with the observations of the

    present study. Highest species diversity was shown by

    Salticidae, followed by Araneidae, Tetragnathidae,

    Lycosidae, Thomisidae etc. (Fig. 3). Plexippus paykulli

    was found to be most abundant in the studied garden

    followed by Phintella vittata, Myrmarachne sp1,

    Neoscona sp, Araneus mitificus, Pardosa sp, Camaricus

    formosus etc. Out of total spider species recorded, about

    48 % (22 species) were found to be foliage runner, 28 %

    (13 species) were orb web builder, 15 % (7 species) were

    ground runner, 6 % (3 species) were ambusher and 4 %

    (2 species) were scattered line weber (Fig. 4).

    Dey et al., 2013

    Journal of Research in Biology (2013) 3(5): 1009-1017 1011

    Figure 2. Showing the total number of genera

    represented by different spider families

  • Dey et al., 2013

    1012 Journal of Research in Biology (2013) 3(5): 1009-1017

    Table 1: List of spider species collected from the household garden during study

    Family Species Distribution

    Salticidae (Foliage runner)

    1) Plexippus paykulli (Audouin, 1826) IND, CHN, LKA

    2) Plexippus petersi (Karsch, 1878) IND, CHN, SGP

    3) Phintella vittata (C. L. Koch, 1846) IND, CHN, MYS

    4) Asemonea sp. IND, LKA, THA

    5) Phintella versicolor (C. L. Koch, 1846) IND, CHN, MYS

    6) Portia labiata (Thorell, 1887) IND, LKA, MYS

    7) Epeus sp.1 IND,CHN,MYS,IDN

    8) Epeus sp.2 IND,CHN,MYS,IDN

    9) Menemerus bivittatus (Dufour, 1831) IND, USA

    10) Thiania bhamoensis (Thorell, 1887) SGP, IDN, MYS

    11) Telamonia dimidiata (Simon, 1899) IND, IDN, BTN

    12) Brettus sp. IND, CHN, LKA

    13) Siler sp. IND, LKA

    14) Rhene danieli (Tikader, 1973) IND

    15) Myrmarachne orientales (Tikader , 1973) IND, PAK

    16) Myrmarachne plataleoides (Cambridge, 1869) IND, LKA, CHN

    17) Myrmarachne sp.1 IND, LKA, CHN, PAK

    18) Myrmarachne sp.2 IND, LKA, CHN, PAK

    Araneidae (Orb web builder)

    19) Neoscona sp. IND, PAK, CHN

    20) Argiope versicolor (Doleschall, 1859) SGP, IDN, VNM

    21) Cyclosa sp. IND, LKA, MYS

    22) Cyclosa bifida (Doleschall, 1859) IND, LKA, MYS

    23) Araneus mitificus (Simon, 1886) IND, PAK, BGD

    24) Cyrtophora unicolor (Doleschall, 1857) LKA, PHL, AUS

    25) Gasteracantha hasselti (C. L. Koch, 1837) IND, CHN

    Tetragnathidae (Orb web builder)

    26) Leucauge decorata (Blackwall, 1864) IND, LKA, SGP

    27) Opadometa fastigiata (Simon, 1877) IND, PHL

    28) Tylorida sp. IND, CHN, AUS

    Lycosidae (Ground runner)

    29) Lycosa mackenziei (Gravely, 1924) IND, PAK, BGD

    30) Pardosa sp. SGP, THA, CHN

    31) Hippasa greenalliae (Blackwall, 1867) IND, LKA, CHN

    Thomisidae (Ambusher)

    32) Camaricus formosus (Thorell, 1887) IND, CHN, PHL

    33) Camaricus maugi (Walckenaer, 1837) IND, LKA, AUS

    34) Amyciaea lineatipes (Cambridge, 1901) SGP, IDN

    35) Nephila kuhlii (Doleschall 1859) IND, LKA, SGP Nephilidae (Orb web builder)

    36) Nephila pilipes (Fabricius, 1793) IND, CHN, AUS

  • According to earlier reports, the spider fauna of

    Tripura is represented by 6 families, 15 genera and 27

    species (Biswas and Majumder, 2000). Present study

    represents 14 families, 36 genera and 47 species (plate 1

    and 2), collected from a small house hold garden during

    a very small survey, among which 45 species were

    reported for the first time from the state. Since, the

    present study is not focused on specific spider families

    like the previous authors, who studied only six families

    (Araneidae, Oxyopidae, Tetragnathidae, Salticidae,

    Lycosidae and Heteropodidae) and the survey is carried

    out in a natural habitat of spiders, greater species

    richness is observed. Hence this study reveals the

    potentiality of Tripura state as the reservoir of large

    Dey et al., 2013

    Journal of Research in Biology (2013) 3(5): 1009-1017 1013

    Figure 4. Graph showing the number of species

    represented by different types of spiders

    Hersiliidae

    Oxyopidae

    (Foliage runner)

    37) Oxyopes birmanicus (Thorell 1887) IND, LKA, MYS

    38) Oxyopes javanus (Thorell 1887) IND, CHN, PHL

    Sparassidae

    (Ground runner)

    39) Heteropoda venatoria (Latreille, 1802) IND, JPN

    40) Heteropoda cervina (C. L. Koch, 1875) IND, AUS

    Theridiidae

    (Scattered line weber)

    41) Chrysso sp. IND, CHN, JPN

    42) Ariamnes sp. IND, AUS

    Scytodidae

    (Ground runner)

    43) Scytodes pallida (Doleschall 1859) IND, CHN, PHL

    Hersiliidae

    (Foliage runner)

    44) Hersilia sp. IND, LKA, MMR

    Uloboridae

    (Orb web builder)

    45) Zosis sp. IND, TWN

    Corinnidae

    (Ground runner)

    46) Castianeira sp. IND, BGD, BTN

    Miturgidae

    (Foliage runner)

    47) Cheiracanthium danieli Tikader, 1975 IND

    Abbreviations: IND India, CHN - China, LKA Sri Lanka, SGP Singapore, MYS Malaysia, THA Thailand, IDN Indonesia, USA United States, BTN Bhutan, PAK Pakistan, VNM Viet Nam, BGD Bangladesh, PHL Philippines, AUS Australia, JPN Japan, MMR Myanmar, TWN Taiwan

    Figure 3. Percentage of total species diversity

    shared by shared by different spider families

  • spider diversity. Inter-specific variation in coloration

    among different spiders might be linked with different

    environmental effects and behavioral patterns observed

    on them (Craig and Ebert, 1994; Hoese et al., 2006;

    Huber, 2002; Oxford and Gillespie, 1998).

    CONCLUSION

    Ecological as well as taxonomic information on

    Indian spiders are lacking up to a great extent and studies

    of spiders on these regards are completely untouched in

    Tripura, NE India. Checklist or records of these spiders

    are not yet prepared. However, spiders can be considered

    as the most efficient one, among the few bio-indicator

    species in ecological studies (Kapoor, 2008; Noss, 1990).

    Relationship between spider distribution with habitat

    patterns and its various patterns of responses to the

    different disturbances create complexities in using them

    as indicator species (Chetia and Kalita, 2012). This study

    1014 Journal of Research in Biology (2013) 3(5): 1009-1017

    Dey et al., 2013

    Plate 1. (1) Plexippus paykulli (2) Plexippus petersi (3) Phintella vittata (4) Asemonea sp. (5) Phintella versicolor

    (6) Portia labiata (7) Epeus sp.1 (8) Epeus sp.2 (9) Menemerus bivittatus (10) Thiania bhamoensis (11)

    Telamonia dimidiata (12) Brettus sp. (13) Siler sp. (14) Rhene danieli (15) Myrmarachne orientales (16)

    Myrmarachne plataleoides (17) Myrmarachne sp.1 (18) Myrmarachne sp.2 (19) Neoscona sp. (20) Argiope

    versicolor (21) Cyclosa sp. (22) Cyclosa bifida (23) Araneus mitificus (24) Cyrtophora unicolor

  • shows information related to the species distribution in a

    particular habitat and the importance of house hold

    gardens in maintaining and conserving spider diversity.

    The study also reveals the potentiality of the state as the

    reservoir of diversified spider fauna. Detailed studies on

    the spider fauna of the state and inclusion of spiders in

    conservational strategies are recommended.

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