<documentID-CLB-Dataset="9578"ID-DOI="http://dx.doi.org/10.3897/zookeys.993.57676"ID-GBIF-Dataset="54649723-f0f4-4d07-8963-8228dca1d0c9"ID-PMC="PMC7700760"ID-Pensoft-Pub="1313-2970-993-1"ID-Pensoft-UUID="46302F4413255911890175B99C918CE6"ID-PubMed="33304114"ID-ZooBank="DAFA5BEE75714CA899D1D76DFFCAB875"ModsDocID="1313-2970-993-1"checkinTime="1605571766244"checkinUser="pensoft"docAuthor="Tong, Yanfeng, Li, Shuqiang & Bian, Dongju"docDate="2020"docId="F02A79E6777F5435B523FDF6866D1E14"docLanguage="en"docName="ZooKeys 993: 1-26"docOrigin="ZooKeys 993"docSource="http://dx.doi.org/10.3897/zookeys.993.57676"docTitle="Ischnothyreus taunggyi Tong & Li 2020, sp. nov."docType="treatment"docUuid="E8228172-15A8-4BCB-8B68-BC87903BCBDE"docUuidSource="ZooBank"docVersion="6"id="46302F4413255911890175B99C918CE6"lastPageNumber="1"masterDocId="46302F4413255911890175B99C918CE6"masterDocTitle="Taxonomic study of the genus Ischnothyreus Simon, 1893 from Myanmar (Araneae, Oonopidae)"masterLastPageNumber="26"masterPageNumber="1"pageNumber="1"updateTime="1732938225213"updateUser="ExternalLinkService">
<mods:affiliationid="BD1D8A9BD1497042116E3556D44AEEAC">Life Science College, Shenyang Normal University, Shenyang 110034, China & Southeast Asia Biological Diversity Research Institute, Chinese Academy of Sciences, Yezin, Nay Pyi Taw 05282, Myanmar</mods:affiliation>
<mods:affiliationid="A97A1CDCD6AE2D6D3617ECB09586C18B">CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Shenyang 110016, China</mods:affiliation>
<taxonomicNameid="A0B2D265BB270C937AA893BC78E02C96"ID-CoL="98ZFK"LSID="F02A79E6-777F-5435-B523-FDF6866D1E14"authority="Tong & Li"authorityName="Tong & Li"authorityYear="2020"class="Arachnida"family="Oonopidae"genus="Ischnothyreus"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Ischnothyreus taunggyi"order="Araneae"pageId="0"pageNumber="1"phylum="Arthropoda"rank="species"species="taunggyi"status="sp. nov.">Ischnothyreus taunggyi Tong & Li</taxonomicName>
<figureCitationid="FEC4FF474038374377D0803CFAC909D2"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">Figures 8</figureCitation>
<figureCitationid="DF27FD78FD0DAB9F36A5DCE3764ADE51"captionStart="Figure 9"captionStartId="F9"captionText="Figure 9. Ischnothyreus taunggyi sp. nov., male holotype, left palp, SEM A, B prolateral and retrolateral views C, D, G palpal bulb, prolateral, retrolateral and dorsal views E, F, H distal part of palpal bulb, prolateral, retrolateral and dorsal views. Abbreviations: nlm = needle like membrane; llm = leaf like membrane; lpp = leaf-shaped prolateral projection; rl = retrolateral lobe; vpr = ventral protuberance."figureDoi="10.3897/zookeys.993.57676.figure9"httpUri="https://binary.pensoft.net/fig/475039"pageId="0"pageNumber="1">, 9</figureCitation>
<figureCitationid="8C21A45522BE4668FFD8783FB1CCF9A8"captionStart="Figure 10"captionStartId="F10"captionText="Figure 10. Ischnothyreus taunggyi sp. nov., female paratype A-C habitus, dorsal, ventral and lateral views D-F, G prosoma, dorsal, ventral, lateral and anterior views H epigastric region, ventral view. Abbreviation: ass = anchor-shaped structure. Scale bars: 0.4 mm (A-F); 0.2 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure10"httpUri="https://binary.pensoft.net/fig/475040"pageId="0"pageNumber="1">, 10</figureCitation>
<figureCitationid="CEACCEA1609AF0B3D392C67D430106A4"captionStart="Figure 14"captionStartId="F14"captionText="Figure 14. Ischnothyreus spp., left male palp A-C I. meukyawwa sp. nov. D-F I. taunggyi sp. nov. G-I I. zhigangi sp. nov. A, D, G prolateral view B, E, H dorsal view C, F, I retrolateral view. Scale bars: 0.1 mm."figureDoi="10.3897/zookeys.993.57676.figure14"httpUri="https://binary.pensoft.net/fig/475044"pageId="0"pageNumber="1">, 14D-F</figureCitation>
<figureCitationid="194C60214AE0E44C3850BF02EFD071F7"captionStart="Figure 15"captionStartId="F15"captionText="Figure 15. Ischnothyreus spp., left male chelicerae. A, B I. meukyawwa sp. nov. C, D I. taunggyi sp. nov. E, F I. zhigangi sp. nov. A, C, E anterior view B, D, F posterior view. Abbreviations: csp = crown-shaped sclerotized process; sem = serrated exterior margin."figureDoi="10.3897/zookeys.993.57676.figure15"httpUri="https://binary.pensoft.net/fig/475045"pageId="0"pageNumber="1">, 15C, D</figureCitation>
<figureCitationid="8B15DBE3DF7CE5B78EC8A2E314DCE412"captionStart="Figure 16"captionStartId="F16"captionText="Figure 16. Ischnothyreus spp., female copulatory organ A, B I. hponkanrazi sp. nov. C, D I. meukyawwa sp. nov. E, F I. qiuxing sp. nov. G, H I. taunggyi sp. nov. A, C, E, G ventral view B, D, F, H dorsal view. Abbreviations: a = apodemes; ass = anchor-shaped structure; bsa = bell-shaped atrium; csa = circular atrium; nsa = nipple-shaped atrium; oa = opening of the atrium; wt = winding tube. Scale bars: 0.2 mm."figureDoi="10.3897/zookeys.993.57676.figure16"httpUri="https://binary.pensoft.net/fig/475046"pageId="0"pageNumber="1">, 16G, H</figureCitation>
♂: Myanmar, Shan State, Taunggyi, East of Nyaung Shwe Township; 20°34'700"N, 96°57'450"E; elevation ca 1005 m; 30.XI.2016; Wu J. leg. (IZCAS AR-25177).
sp. nov. in the male palp and the crown-shaped sclerotized process of male cheliceral fang, but can be distinguished by the long abdominal dorsal scutum (3/4 of the abdomen length (Fig.
<figureCitationid="6085894208F32CD8FCD9E2BB789A8CC0"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8A</figureCitation>
<figureCitationid="ACE9EB2EB6564E5E127C4FDBB71FC7B7"captionStart="Figure 11"captionStartId="F11"captionText="Figure 11. Ischnothyreus zhigangi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure11"httpUri="https://binary.pensoft.net/fig/475041"pageId="0"pageNumber="1">11A</figureCitation>
<figureCitationid="070901ADB6F04E6F02CE631A1F5BE739"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8B</figureCitation>
<figureCitationid="7BF69394C0BA7694711615775E90A3B8"captionStart="Figure 11"captionStartId="F11"captionText="Figure 11. Ischnothyreus zhigangi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure11"httpUri="https://binary.pensoft.net/fig/475041"pageId="0"pageNumber="1">11B</figureCitation>
<figureCitationid="B96EA32C75620BD501F6E65D7A3E6DD0"captionStart="Figure 16"captionStartId="F16"captionText="Figure 16. Ischnothyreus spp., female copulatory organ A, B I. hponkanrazi sp. nov. C, D I. meukyawwa sp. nov. E, F I. qiuxing sp. nov. G, H I. taunggyi sp. nov. A, C, E, G ventral view B, D, F, H dorsal view. Abbreviations: a = apodemes; ass = anchor-shaped structure; bsa = bell-shaped atrium; csa = circular atrium; nsa = nipple-shaped atrium; oa = opening of the atrium; wt = winding tube. Scale bars: 0.2 mm."figureDoi="10.3897/zookeys.993.57676.figure16"httpUri="https://binary.pensoft.net/fig/475046"pageId="0"pageNumber="1">16G</figureCitation>
<figureCitationid="2A39507479C80842179D8D68634DAAE1"captionStart="Figure 17"captionStartId="F17"captionText="Figure 17. Ischnothyreus spp., female copulatory organ A, B I. jianglangi sp. nov. C, D I. putao sp. nov. E, F I. zhigangi sp. nov. A, C, E ventral view B, D, F dorsal view. Abbreviations: a = apodemes; ass = anchor-shaped structure; bsa = bell-shaped atrium; tsa = triangular shaped atrium; wt = winding tube. Scale barss: 0.1 mm"figureDoi="10.3897/zookeys.993.57676.figure17"httpUri="https://binary.pensoft.net/fig/475047"pageId="0"pageNumber="1">17E</figureCitation>
<taxonomicNameid="BE2CA300DC807DDC6ED65D9FACD8C28C"authorityName="Tong & Li"authorityYear="2020"class="Arachnida"family="Oonopidae"genus="Ischnothyreus"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Ischnothyreus taunggyi"order="Araneae"pageId="0"pageNumber="1"phylum="Arthropoda"rank="species"species="taunggyi">
<figureCitationid="45574A2B72755083F7B5C1133B0EF926"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8A-C</figureCitation>
<figureCitationid="BDACBF6B740BEBBB20A48E93D286D042"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8D</figureCitation>
<figureCitationid="5354E43877A16AE6FFCDA4F9559B3699"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8D</figureCitation>
<figureCitationid="7C41659000A8EA1AFAB788756B389DD8"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8E</figureCitation>
: chelicerae, endites and labium orange; chelicerae straight, with crown-shaped sclerotized process at base of fangs, fang groove with a few small and one larger denticles (Fig.
<figureCitationid="C09FAF76B2BD026BC1DAA48AC8041D1B"captionStart="Figure 15"captionStartId="F15"captionText="Figure 15. Ischnothyreus spp., left male chelicerae. A, B I. meukyawwa sp. nov. C, D I. taunggyi sp. nov. E, F I. zhigangi sp. nov. A, C, E anterior view B, D, F posterior view. Abbreviations: csp = crown-shaped sclerotized process; sem = serrated exterior margin."figureDoi="10.3897/zookeys.993.57676.figure15"httpUri="https://binary.pensoft.net/fig/475045"pageId="0"pageNumber="1">15C, D</figureCitation>
); labium rectangular, not fused to sternum, anterior margin not indented at middle; anteromedian tip of endites with one strong, tooth-like projection (Fig.
<figureCitationid="4F1AA490A31FF7EE507CF2950F0F4BAE"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8E</figureCitation>
: 0.74 long, 0.49 wide; dorsal scutum well sclerotized, pale orange, covering 2/3 the abdomen width and approximately 3/4 of the abdomen length, unfused to epigastric scutum; epigastric and postgastric scutum well sclerotized, pale orange, fused, postgastric scutum covering about 4/5 of the abdomen length (Fig.
<figureCitationid="24A3EDC2914AADB96B3B2C6A918A0751"captionStart="Figure 8"captionStartId="F8"captionText="Figure 8. Ischnothyreus taunggyi sp. nov., male holotype A-C habitus, dorsal, ventral and lateral views D-F prosoma, dorsal, ventral and lateral views G, H left chelicerae, anterior and posterior views. Scale bars: 0.4 mm (A-C); 0.2 mm (D-F); 0.1 mm (G, H)."figureDoi="10.3897/zookeys.993.57676.figure8"httpUri="https://binary.pensoft.net/fig/475038"pageId="0"pageNumber="1">8A, B</figureCitation>
: pale orange, femur I with three prolateral and one small retrolateral spines, tibia I with four pairs, metatarsus I with two pairs of long ventral spines. Leg II spination is similar to leg I except femur with only two prolateral spines. Legs III and IV spineless.
: strongly sclerotized, trochanter with ventral projection, cymbium brown, fused with bulb; bulb brown, with two large ventral protuberances, distal end of bulb elongated, with one leaf-shaped prolateral projection and distal needle like membrane, retrolateral lobe broad, ear-shaped (Figs
<figureCitationid="3103980CFF11CFEBC58BD5CABA658974"captionStart="Figure 9"captionStartId="F9"captionText="Figure 9. Ischnothyreus taunggyi sp. nov., male holotype, left palp, SEM A, B prolateral and retrolateral views C, D, G palpal bulb, prolateral, retrolateral and dorsal views E, F, H distal part of palpal bulb, prolateral, retrolateral and dorsal views. Abbreviations: nlm = needle like membrane; llm = leaf like membrane; lpp = leaf-shaped prolateral projection; rl = retrolateral lobe; vpr = ventral protuberance."figureDoi="10.3897/zookeys.993.57676.figure9"httpUri="https://binary.pensoft.net/fig/475039"pageId="0"pageNumber="1">9</figureCitation>
<figureCitationid="1413151454FA88AB2DD73745D9E3E052"captionStart="Figure 14"captionStartId="F14"captionText="Figure 14. Ischnothyreus spp., left male palp A-C I. meukyawwa sp. nov. D-F I. taunggyi sp. nov. G-I I. zhigangi sp. nov. A, D, G prolateral view B, E, H dorsal view C, F, I retrolateral view. Scale bars: 0.1 mm."figureDoi="10.3897/zookeys.993.57676.figure14"httpUri="https://binary.pensoft.net/fig/475044"pageId="0"pageNumber="1">14D-F</figureCitation>
<taxonomicNameid="9160A6D1ED307E82235F9405E76FFD4C"authorityName="Tong & Li"authorityYear="2020"class="Arachnida"family="Oonopidae"genus="Ischnothyreus"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Ischnothyreus taunggyi"order="Araneae"pageId="0"pageNumber="1"phylum="Arthropoda"rank="species"species="taunggyi">
: from the middle of the slightly thickened margin of the postgastric scutum runs a dark, very complex winding tube posteriorly, ending in a small, bell-shaped atrium (Fig.
<figureCitationid="215AF0EF688EF4A80670646605F7082E"captionStart="Figure 16"captionStartId="F16"captionText="Figure 16. Ischnothyreus spp., female copulatory organ A, B I. hponkanrazi sp. nov. C, D I. meukyawwa sp. nov. E, F I. qiuxing sp. nov. G, H I. taunggyi sp. nov. A, C, E, G ventral view B, D, F, H dorsal view. Abbreviations: a = apodemes; ass = anchor-shaped structure; bsa = bell-shaped atrium; csa = circular atrium; nsa = nipple-shaped atrium; oa = opening of the atrium; wt = winding tube. Scale bars: 0.2 mm."figureDoi="10.3897/zookeys.993.57676.figure16"httpUri="https://binary.pensoft.net/fig/475046"pageId="0"pageNumber="1">16G, H</figureCitation>
<taxonomicNameid="9D66BE6E29C0373761F6651F81B5ACAC"authorityName="Tong & Li"authorityYear="2020"class="Arachnida"family="Oonopidae"genus="Ischnothyreus"higherTaxonomySource="CoL"kingdom="Animalia"lsidName="Ischnothyreus taunggyi"order="Araneae"pageId="0"pageNumber="1"phylum="Arthropoda"rank="species"species="taunggyi">
<paragraphid="15CE172C2B5C8F4AB01522163C744898"pageId="0"pageNumber="1">The specific name is a noun in apposition taken from the type locality.</paragraph>
