A Current Research Status on the Mesothelae and Mygalomorphae (Arachnida: Araneae) in

Thailand

NATAPOT WARRITDepartment of Biology

Chulalongkorn University

• Globally included approximately 40,000+ described species (Platnick, 2008)

• Estimated number 60,000-170,000 species(Coddington and Levi, 1991)

pidersS

pidersS

Spiders are the most diverse and abundant invertebrate predators in terrestrial ecosystems (Wise, 1993)

SPIDER CLASSIFICATION

0.3%

• Segmented spider

• 1 family

• 8 genera, 96 species

Mesothelae

• Mygalomorph spiders

and Tarantulas

• 16 families

• 335 genera, 2,600 species

Mygalomorphae

• True spider

• 95 families

• 37,000 species

Araneomorphae

93.2%

6.5%

Selden (1996)

First appeared during 300 MYA (Carboniferous period)

Mesothelae

Liphistiidae(96 spp., 8 genera)

Liphistiinae(Liphistius)

Heptathelinae(Ganthela, Heptathela, Qiongthela,

Ryuthela, Sinothela, Songthela, Vinathela)

Xu et al. (2015)

L. bristowei species-group

L. birmanicus species-group

L. trang species-group

32 species have been recorded

Schwendinger (1990)

L. bristowei species-group L. birmanicus species-group L. trang species-group

5-7 August 2015

Liphistius maewongensis species novum

Sivayyapram et al., Journal of Arachnology (in press)

L. maewongensis L. yamasakii L. lannaianius L. marginatusL. bristowei

bristowei species group

Simple burrow

T-shape burrow

Burrow Types

Total length = 0.424* Burrow length + 2.794

Trapdoor length (BL) Total length (TL)

Relationships between nest parameters and spider morphology

S and M

L

Fisher’s Exact-test

2 m

16 m

1 m2

X 32 X 10 Burrow counted

Distribution Pattern

q = the number of quadrats necessary to cover the study areani = the number of burrows in the i th quadratN = the total number of burrows

Aggregated distributionUniform distribution Random distribution

Iδ < 1 Iδ = 1 Iδ > 1

Morisita (1962)

Morisita’s index

Iδ = 2.76

SPIDER CLASSIFICATION

0.3%

• Segmented spider

• 1 family

• 8 genera, 96 species

Mesothelae

• Mygalomorph spiders

and Tarantulas

• 16 families

• 335 genera, 2,600 species

Mygalomorphae

• True spider

• 95 families

• 37,000 species

Araneomorphae

93.2%

6.5%

Mygalomorphae

Mecicobothriidae

Microstigmatidae

Hexathelidae

Dipluridae

Nemesiidae

Paratropididae

Barychelidae

Atypidae

Antrodiaetidae

Cyrtaucheniidae

Idiopidae

Ctenizidae

Migidae

Actinopodidae

Euctenizidae

Theraphosidae Tarantula

> 900 species

Chilobrachys Karsch, 1891

Orphnaecus Simon, 1892

Phlogiellus Pocock, 1897

Poecilotheria Simon, 1885

Coremiocnemis Simon, 1892

Lyrognathus Pocock, 1895

Psednocnemis West, 2012

Selenocosmia Ausserer, 1871

Selenotholus Hogg, 1902

Selenotypus Pocock, 1895

Family

Theraphosidae

Acanthopelminae

Aviculariinae

Ornithoctoninae

Eumenophorinae

Harpactirinae

Ischnocolinae

Poecilotheriinae

Spelopelminae

Stromatopelminae

Theraphosinae

Selenogyrinae

Selenocosmiinae

Thrigmopoeinae

10 Subfamilies, 931 species

World Spider Catalog (2017)

Citharognathus Pocock, 1895

Omothymus Thorell, 1891

Cyriopagopus Simon, 1887

Lampropelma Simon, 1892

Ornithoctonus Pocock, 1892

Phormingochilus Pocock, 1895

Cyriopagopus Simon, 1887

Phlogiellus Pocock, 1897

Cyriopagopus

• The range of this genus includes : Myanmar, southeastern China, Cambodia, Thailand, Vietnam,

Malaysia, Singapore, and Borneo.

• Cyriopagopus is a popular genus of Southeast Asia tarantula in exotic pet trade.

• Phylogenetic of Cyriopagopus species have not been studied.

C. albostriatum (Simon, 1886)

C. doriae (Thorell, 1890)

C. minax (Thorell, 1897)

C. robustum (Strand, 1907)

C. salangense (Strand, 1907)

C. schmidti (Von Wirth, 1991)

C. lividum (Smith, 1996)

C. hainanum (Liang et al., 1999)

C. vonwirthi (Schmidt, 2005)

C. longipes (Von Wirth & Striffler, 2005)

Cyriopagopus in Thailand

Thai Zebra

Cobalt Blue

Vietnamese Earth Tiger

Thai BlackC. minax (Thorell, 1897)

C. albostriatus (Simon, 1886)

C. lividus (Smith, 1996)

C. longipes (Von Wirth & Striffler, 2005)

C. albostriatum C. minax C. lividum C. longipes

How many species?

C. longipes

C. lividus

“C. minax”

C. albostriatusC. vonworthi

(junior synonym)

C. minax s. str.

Chomphuphung et al. (in prep.)

COI 658 bpNJ, Parsimony, ML, Bayesian

ABGD, GMYC

Phlogiellus

Pocock, 1897

Kamphaeng Phet

province

Phlogiellus longipalpus species novum

Phlogiellus longipalpus P. moniqueverdezae

Nunn et al., 2016

P. mutus

(Giltay, 1935)

P. watasei

(Kishida, 1920)

P. bundokalbo

(Barrion & Litsinger, 1995)

Phlogiellus longipalpus

N/A

P. moniqueverdezae

Nunn et al., 2016

P. mutus

(Giltay, 1935)

P. watasei

(Kishida, 1920)

P. bundokalbo

(Barrion & Litsinger, 1995)

Chomphuphung et al., ZooKeys (in press)

World Spider Catalog (2017)

Nemesiidae: Atmetochilus

Hidden chamber

Acknowledgements

Center of Excellence in Biodiversity

Scholarship Foundation

Chulalongkorn University

VaratSivayyapram

NarinChomphuphung

Chawakorn Kunsete

Deborah Smith

CU BEE&SPIDERRESEARCH UNIT

Thank You !

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