178 lines
20 KiB
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178 lines
20 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.635.10454" ID-GBIF-Dataset="fb364e79-717a-4f26-b071-9d2b1a89a0bd" ID-PMC="PMC5126508" ID-Pensoft-Pub="1313-2970-635-31" ID-PubMed="27917056" ID-ZBK="904CF3A6B3B9491C8C8A854FCFA98400" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1313-2970-635-31" ModsDocOrigin="ZooKeys 635" ModsDocTitle="Two new species of Floresorchestia (Crustacea, Amphipoda, Talitridae) in Thailand" checkinTime="1480088941672" checkinUser="pensoft" docAuthor="Wongkamhaeng, Koraon, Dumrongrojwattana, Pongrat & Pattaratumrong, Manasawan Saengsakda" docDate="2016" docId="3A18A374F1A469828B6DE5B74EA65876" docLanguage="en" docName="ZooKeys 635: 31-51" docOrigin="ZooKeys 635" docSource="http://dx.doi.org/10.3897/zookeys.635.10454" docTitle="Floresorchestia boonyanusithii Wongkamhaeng, Dumrongrojwattana & Pattaratumrong, 2016, sp. n." docType="treatment" docUuid="6DD48CE1-F8DE-41CE-BA9E-3D2A758971FA" docUuidSource="ZooBank" docVersion="5" lastPageNumber="35" masterDocId="9353FF858F2BFFD8FFE0B6786F3DFFB6" masterDocTitle="Two new species of Floresorchestia (Crustacea, Amphipoda, Talitridae) in Thailand" masterLastPageNumber="51" masterPageNumber="31" pageNumber="33" updateTime="1668163740793" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Two new species of Floresorchestia (Crustacea, Amphipoda, Talitridae) in Thailand</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Wongkamhaeng, Koraon</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Dumrongrojwattana, Pongrat</mods:namePart>
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</mods:name>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Pattaratumrong, Manasawan Saengsakda</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>635</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>31</mods:start>
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<mods:end>51</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.635.10454</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.635.10454</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-635-31</mods:identifier>
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<mods:identifier type="ZBK">904CF3A6B3B9491C8C8A854FCFA98400</mods:identifier>
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<mods:identifier type="ZooBank">904CF3A6B3B9491C8C8A854FCFA98400</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="127852569" LSID="urn:lsid:zoobank.org:act:6DD48CE1-F8DE-41CE-BA9E-3D2A758971FA" httpUri="http://treatment.plazi.org/id/3A18A374F1A469828B6DE5B74EA65876" lastPageId="4" lastPageNumber="35" pageId="2" pageNumber="33">
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<subSubSection pageId="2" pageNumber="33" type="nomenclature">
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<paragraph pageId="2" pageNumber="33">
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<taxonomicName LSID="http://zoobank.org/6DD48CE1-F8DE-41CE-BA9E-3D2A758971FA" class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="2" pageNumber="33" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="33">sp. n.</taxonomicNameLabel>
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Figures 1, 2, 3, 4, 5, Table 1
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="33" type="type material">
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<paragraph pageId="2" pageNumber="33">Type material.</paragraph>
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<paragraph pageId="2" pageNumber="33">
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Holotype. ♂, THAILAND, North-eastern Thailand, Phutsa Reservoir, Nakhon Ratchasima (
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<geoCoordinate direction="north" orientation="latitude" precision="15" value="15.049723">15°2'59"N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="102.03833">102°2'18"E</geoCoordinate>
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), 21 Febuary 2016, Boonyanusith, C. PSUZC-CR-0310. Allotypes, ♀ collected with holotype; PSUZC-CR-0311; Paratype, collected with holotype (PSUZC-CR-0312 (5♂; 5♀))
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="33" type="etymology">
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<paragraph pageId="2" pageNumber="33">Etymology.</paragraph>
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<paragraph pageId="2" pageNumber="33">Named after Chaichat Boonyanusith in appreciation of his contribution to the terrestrial amphipod study in Thailand.</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="33" type="ecological type">
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<paragraph pageId="2" pageNumber="33">Ecological type.</paragraph>
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<paragraph pageId="2" pageNumber="33">Land-hoppers (truly terrestrial). Size 5.5 mm. Sexual dimorphism present.</paragraph>
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</subSubSection>
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<subSubSection lastPageId="4" lastPageNumber="35" pageId="2" pageNumber="33" type="description">
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<paragraph pageId="2" pageNumber="33">Description.</paragraph>
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<paragraph pageId="2" pageNumber="33">Based on male, holotype, 5.5 mm, PSUZC-CR 0310.</paragraph>
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<paragraph pageId="2" pageNumber="33">
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Head.Eye large (1/2 head length). Antenna 1 short, having four short articles of flagellum, extending one quarter (
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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) of peduncle article 5. Antenna 2 peduncular articles slender; article 5 longer than article 4; flagellum of 13 articles, longer than peduncle, final article minute, without apical cluster of serrate setae. Upper lip broad, deep, apex rounded. Lower lip without inner plates. Left mandible incisor 4-dentate, lacinia mobilis 4-dentate, molar strong. Maxilla 1 inner plate slender with two terminal setae; outer plate with nine terminal serrate setae with small palp, 1-articulate. Maxilliped inner plate with apical and subapical plumose setae and three large conical robust setae; outer plate with two rows of subapical setae; palp article 2 distomedial lobe well developed; article 4 reduced, button-shaped.
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</paragraph>
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<paragraph lastPageId="3" lastPageNumber="34" pageId="2" pageNumber="33">
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Pereon.Gnathopod 1 sexually dimorphic; subchelate; coxa 1 smaller than coxa 2, ventral margin with six setae; posterior margin of merus, carpus and propodus each with a lobe covered in palmate setae, palmate lobes in male only; carpus 1.4 times as long as propodus, 2.6 times as long as broad; propodus subtriangular with well-de
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<pageBreakToken pageId="3" pageNumber="34" start="start">veloped</pageBreakToken>
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posterodistal lobe, anterior margin with two groups of robust setae, posterior margin with four robust setae, palm with seven robust setae; dactylus cuspidactylate, subequal in length to palm.
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</paragraph>
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<paragraph pageId="3" pageNumber="34">Gnathopod 2 sexually dimorphic; subchelate; basis anterior margin smooth, widened distally; ischium with rounded lobe on mid-anterior margin; carpus triangular, reduced (enclosed by merus and propodus) without posterior lobe; propodus subovate, 1.5 times as long as wide; palm acute, extending 33% along posterior margin, lined with robust setae; dactylus longer than palm, attenuated distally, posterior margin smooth.</paragraph>
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<paragraph pageId="3" pageNumber="34">Pereopods 3-7 cuspidactylate. Pereopod 3 coxa subquadrate with posterior process, merus longer than carpus, distally expanded; propodus slender, longer than carpus. Pereopod 4 slightly shorter than pereopod 3; coxa wider than long with posterior process; carpus significantly shorter than carpus of pereopod 3; dactylus thickened proximally with a notch midway along the posterior margin. Pereopod 5 coxa bilobed, anterior lobe slightly larger than the posterior lobe; propodus distinctly longer than the carpus. Pereopods 6-7; pereopod 6 subequal in length to pereopod 7; coxa posterior lobe inner view posteroventral corner rounded, posterior margin perpendicular to ventral margin; coxal gill convoluted; propodus slender, longest; dactylus narrow. Pereopod 7; basis lateral sulcus absent, posterior margin with distinct minute serrations, each with a small seta, posterodistal lobe present, shallow, broadly rounded; merus and carpus distally expanded; carpus subrectangular propodus slender, longest; dactylus short.</paragraph>
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<paragraph pageId="3" pageNumber="34">Pleon.Pleopods all well developed. Pleopod 1 peduncle without marginal setae; biramous, inner ramus not longer than outer ramus, shorter than peduncle; inner ramus with seven articles; outer ramus with seven articles. Pleopod 2 peduncle without marginal setae; biramous, inner ramus subequal to outer, shorter than peduncle; inner ramus with eight articles; outer ramus with eight articles. Pleopod 3 peduncle without marginal setae; biramous, outer ramus shorter than peduncle; inner ramus with ten articles; outer ramus with eight articles.</paragraph>
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<paragraph pageId="3" pageNumber="34">Epimera 1-3 vertical slits present on plate 2 and 3. Epimera 2 with 27 slits. Epimera 3 with 20 slits. Epimeron 2 subequal in length to epimeron 3. Epimeron 3 posterior margin smooth, without setae, posteroventral corner with small subacute tooth, ventral margin without robust setae.</paragraph>
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<paragraph pageId="3" pageNumber="34">Uropod 1 peduncle with four robust setae, distolateral robust seta absent; inner ramus subequal in length to outer ramus, inner ramus with marginal robust setae (one row), with four marginal robust setae; outer ramus without marginal robust setae. Uropod 2 not sexually dimorphic; peduncle with three robust setae; inner ramus subequal in length to outer ramus, with marginal robust setae; outer ramus with marginal robust setae in one row, outer ramus with two marginal robust setae. Uropod 3 peduncle with two robust setae; ramus not fused to peduncle; ramus shorter than peduncle, 1.75 times as long as broad, ramus linear with three apical setae.</paragraph>
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<paragraph pageId="3" pageNumber="34">Telson longer than broad, apically cleft, dorsal midline half of the telson, with marginal and apical robust setae, four setae per lobe.</paragraph>
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<paragraph lastPageId="4" lastPageNumber="35" pageId="3" pageNumber="34">
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Female (sexually dimorphic characters).Gnathopod 1 coxa anterior margin straight; merus lacking tumescent lobe, posterior margin with five robust setae; propo
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<pageBreakToken pageId="4" pageNumber="35" start="start">dus</pageBreakToken>
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without tumescent protuberance, anterior margin with two groups of robust setae; palm slightly acute, dactylus inner lateral posterior margin with one robust seta.
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</paragraph>
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<paragraph pageId="4" pageNumber="35">Gnathopod 2 mitten-shaped; posterior margin of carpus and propodus each with lobe covered in palmate setae; carpus well developed, posterior lobe projecting between merus and propodus; nearly twice as long as wide; palm obtuse, not lined with robust setae, posterodistal corner without spine; dactylus subequal in length to palm, not modified distally, blunt.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="35" type="habitat">
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<paragraph pageId="4" pageNumber="35">Habitat.</paragraph>
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<paragraph pageId="4" pageNumber="35">
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Terrestrial, most prefer living in
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<taxonomicName class="Liliopsida" family="Typhaceae" genus="Typha" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Typha angustifolia" order="Poales" pageId="4" pageNumber="35" phylum="Tracheophyta" rank="species" species="angustifolia">Typha angustifolia</taxonomicName>
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root near reservoir.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="35" type="distribution">
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<paragraph pageId="4" pageNumber="35">Distribution.</paragraph>
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<paragraph pageId="4" pageNumber="35">North-eastern Thailand.</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="35" type="remarks">
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<paragraph pageId="4" pageNumber="35">Remarks.</paragraph>
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<paragraph pageId="4" pageNumber="35">
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. is the second land-hopper reported in Thailand. It can be distinguished from
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia samroiyodensis" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="samroiyodensis">Floresorchestia samroiyodensis</taxonomicName>
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by the characters in the above key. Additionally, this species shows the following differences: 1) the left mandible lacinia mobilis has four cusps in both male and female (vs. male 4-dentate and female 6-dentate); 2) male gnathopod 1 carpus is 2.6 times longer than broad, 1.4 as long as propodus (vs. 2 times longer than broad, 1.8 times as long as propodus); 3) male gnathopod 2 propodus 1.4 times longer than broad, palm extending 39% along posterior margin (propodus 1.8 times longer than broad, palm extending 27% along posterior margin); 4) pereopod 7 is shallow, broadly rounded (vs. rounded, produced downwards almost to merus).
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</paragraph>
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<paragraph pageId="4" pageNumber="35">
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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is characterised by a mandible left lacinia mobilis 4-dentate and uropod 3 peduncle with two robust setae. The only similar species are
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia buraphana" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="buraphana">Floresorchestia buraphana</taxonomicName>
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sp. n. and
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia hanoiensis" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="hanoiensis">Floresorchestia hanoiensis</taxonomicName>
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Hou & Li, 2003. The new species differs from
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia hanoiensis" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="hanoiensis">Floresorchestia hanoiensis</taxonomicName>
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Hou & Li, 2003 in its pereopod 4 is thickened proximally with a notch midway along its posterior margin (vs. pereopod 4 similar to pereopod 3 dactylus) pereopod 7 basis shallow, broadly rounded (vs. produced downwards almost to merus); pleopod 1-3 peduncle without marginal robust setae; epimera 3 posterior margin without setae with 20 slits (vs epimera 3 posterior margin with five slits) and telson apically incised with four robust setae per lobe (vs. three robust setae per lobe).
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</paragraph>
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<paragraph pageId="4" pageNumber="35">
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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shared several characters with
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia buraphana" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="buraphana">Floresorchestia buraphana</taxonomicName>
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in having a mandible left lacinia mobilis 4-dentate; posterior margin of merus, carpus and propodus covered in palmate setae; uropod 3 peduncle with two robust setae and telson is longer than broad.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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differs from
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia buraphana" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="buraphana">Floresorchestia buraphana</taxonomicName>
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in having uropod 3 rami without marginal setae (vs rami with one marginal seta) and telson with four robust setae per lobe (vs. five robust setae per lobe).
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</paragraph>
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<caption pageId="4" pageNumber="35">
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<paragraph pageId="4" pageNumber="35">
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Figure 1.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. holotype, male, 5.5 mm (PSUZC-CR-0310), Phutsa Reservoir in Nakhon Ratchasima. Scale bars for A2, G1 and G2 represent 0.5 mm and for A1 represents 0.2 mm.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="35">
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<paragraph pageId="4" pageNumber="35">
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Figure 2.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. holotype, male, 5.5 mm (PSUZC-CR-0310), Phutsa Reservoir in Nakhon Ratchasima. Scale bars represent 0.5 mm.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="35">
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<paragraph pageId="4" pageNumber="35">
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Figure 3.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. holotype, male, 5.5 mm (PSUZC-CR-0310), Phutsa Reservoir in Nakhon Ratchasima. Scale bars for MX1, MX2, MP, LMD and RMD represent 0.2 mm and for UL and LL represent 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="35">
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<paragraph pageId="4" pageNumber="35">
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Figure 4.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. holotype, male, 5.5 mm (PSUZC-CR-0310), Phutsa Reservoir in Nakhon Ratchasima. Scale bars for PL1-3 represent 0.5 mm, for U1-2 represent 0.2 mm, and U3 and T represent 0.1 mm.
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</paragraph>
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</caption>
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<caption pageId="4" pageNumber="35">
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<paragraph pageId="4" pageNumber="35">
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Figure 5.
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<taxonomicName class="Malacostraca" family="Talitridae" genus="Floresorchestia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Floresorchestia boonyanusithii" order="Amphipoda" pageId="4" pageNumber="35" phylum="Arthropoda" rank="species" species="boonyanusithii">Floresorchestia boonyanusithii</taxonomicName>
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sp. n. allotype, female 8.8 mm (PSUZC-CR-0311), Phutsa Reservoir in Nakhon Ratchasima. Scale bars for A2, G1 and G2 represent 0.5 mm and for A1 represents 0.2 mm.
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</paragraph>
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</caption>
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</subSubSection>
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</treatment>
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</document> |