197 lines
16 KiB
XML
197 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.727.20222" ID-GBIF-Dataset="13853cb6-522e-4f94-b633-c4a51ba63624" ID-PMC="PMC5799789" ID-Pensoft-Pub="1313-2970-727-1" ID-PubMed="29416388" ID-ZBK="12B663F7190040788E1EEF8BAC4DF81B" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1313-2970-727-1" ModsDocOrigin="ZooKeys 727" ModsDocTitle="A review of the Madagascan pelican spiders of the genera Eriauchenius O. Pickard-Cambridge, 1881 and Madagascarchaea gen. n. (Araneae, Archaeidae)" checkinTime="1515696595036" checkinUser="pensoft" docAuthor="Wood, Hannah M. & Scharff, Nikolaj" docDate="2017" docId="DE16777C3DD42E83E80684C15F6B8204" docLanguage="en" docName="ZooKeys 727: 1-96" docOrigin="ZooKeys 727" docSource="http://dx.doi.org/10.3897/zookeys.727.20222" docTitle="Eriauchenius rangita Wood & Scharff, 2017, sp. n." docType="treatment" docUuid="1F79B5E8-2421-44C8-9981-F98BA51D4F7E" docUuidSource="ZooBank" docVersion="5" lastPageNumber="1" masterDocId="FFEBD959ED2FFFAA9450FF8B1957B348" masterDocTitle="A review of the Madagascan pelican spiders of the genera Eriauchenius O. Pickard-Cambridge, 1881 and Madagascarchaea gen. n. (Araneae, Archaeidae)" masterLastPageNumber="96" masterPageNumber="1" pageNumber="1" updateTime="1668165276717" 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>A review of the Madagascan pelican spiders of the genera Eriauchenius O. Pickard-Cambridge, 1881 and Madagascarchaea gen. n. (Araneae, Archaeidae)</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>Wood, Hannah M.</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>Scharff, Nikolaj</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>2017</mods:date>
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<mods:detail type="volume">
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<mods:number>727</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>96</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.727.20222</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.727.20222</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-727-1</mods:identifier>
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<mods:identifier type="ZBK">12B663F7190040788E1EEF8BAC4DF81B</mods:identifier>
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<mods:identifier type="ZooBank">12B663F7190040788E1EEF8BAC4DF81B</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="140245889" LSID="urn:lsid:zoobank.org:act:1F79B5E8-2421-44C8-9981-F98BA51D4F7E" httpUri="http://treatment.plazi.org/id/DE16777C3DD42E83E80684C15F6B8204" lastPageNumber="1" pageId="0" pageNumber="1">
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<subSubSection pageId="0" pageNumber="1" type="nomenclature">
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<paragraph pageId="0" pageNumber="1">
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<taxonomicName LSID="http://zoobank.org/1F79B5E8-2421-44C8-9981-F98BA51D4F7E" class="Arachnida" family="Archaeidae" genus="Eriauchenius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eriauchenius rangita" order="Araneae" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="rangita">Eriauchenius rangita</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="1">sp. n.</taxonomicNameLabel>
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Figs 7, 30
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="type material">
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<paragraph pageId="0" pageNumber="1">Type material.</paragraph>
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<paragraph pageId="0" pageNumber="1">Male holotype: Madagascar, Antananarivo, NE outskirts Antananarivo, Ambohimanga Village, 27 Jul 1992, cryptic searching, V. & B. Roth (deposited in CAS; CASENT9010053).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="materials_examined">
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<paragraph pageId="0" pageNumber="1">Other material examined.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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MADAGASCAR: Female paratype, Fianarantsoa,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Atsirakambiaty">d'Atsirakambiaty</normalizedToken>
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, 7.6 km 285° WNW Itremo,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-20.593334">20°35'36"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="46.56333">46°33'48"E</geoCoordinate>
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, 1550 m., 22-26 Jan 2003, montane rainforest, general collecting day, includes one hatched eggcase, Fisher, Griswold et al. (CASENT9005939); 1F, Fianarantsoa,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Atsirakambiaty">d'Atsirakambiaty</normalizedToken>
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, 7.6 km 285° WNW Itremo,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-20.593334">20°35'36"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="46.56333">46°33'48"E</geoCoordinate>
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, 1550 m., 22-26 Jan 2003, montane rainforest, general collecting day, includes one hatched eggcase, Fisher, Griswold et al. (CASENT9005772); 1F, Fianarantsoa,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Atsirakambiaty">d'Atsirakambiaty</normalizedToken>
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, 7.6 km 285° WNW Itremo,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-20.593334">20°35'36"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="46.56333">46°33'48"E</geoCoordinate>
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, 1550 m., 22-26 Jan 2003, montane rainforest, general collecting night, includes one hatched eggcase, Fisher, Griswold et al. (CASENT9016773); 1F,1Juv, Fianarantsoa,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Atsirakambiaty">d'Atsirakambiaty</normalizedToken>
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, 7.6 km 285° WNW Itremo,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-20.593334">20°35'36"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="46.56333">46°33'48"E</geoCoordinate>
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, 1550 m., 22-26 Jan 2003, montane rainforest, general collecting, beating and puffing spiders, Fisher, Griswold et al. (CASENT 9018883); 1F, Fianarantsoa,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Atsirakambiaty">d'Atsirakambiaty</normalizedToken>
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, 7.6 km 285° WNW Itremo,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-20.593334">20°35'36"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="46.56333">46°33'48"E</geoCoordinate>
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, 1550 m., 24 Jan 2003, montane rainforest, within fallen palm frond, includes one eggcase, Fisher, Griswold et al. (CALENT9005822); 1M,2F, Toliara,
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<normalizedToken originalValue="Réserve">Reserve</normalizedToken>
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<normalizedToken originalValue="Spéciale">Speciale</normalizedToken>
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<normalizedToken originalValue="d’Ambohijanahary">d'Ambohijanahary</normalizedToken>
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,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Ankazotsihitafototra">d'Ankazotsihitafototra</normalizedToken>
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, 35.2 km 312° NW Ambaravaranala,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-18.266666">18°16'00"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="45.40667">45°24'24"E</geoCoordinate>
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, 1050 m., 13-17 Jan 2003, montane rainforest, general collecting night, Fisher, Griswold et al. (CASENT9018159); 1M, Toliara,
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<normalizedToken originalValue="Réserve">Reserve</normalizedToken>
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<normalizedToken originalValue="Spéciale">Speciale</normalizedToken>
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<normalizedToken originalValue="d’Ambohijanahary">d'Ambohijanahary</normalizedToken>
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,
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<normalizedToken originalValue="Forêt">Foret</normalizedToken>
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<normalizedToken originalValue="d’Ankazotsihitafototra">d'Ankazotsihitafototra</normalizedToken>
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, 35.2 km 312° NW Ambaravaranala,
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<geoCoordinate direction="south" orientation="latitude" precision="15" value="-18.266666">18°16'00"S</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="15" value="45.40667">45°24'24"E</geoCoordinate>
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, 1050 m., 13-17 Jan 2003, montane rainforest, general collecting day, Fisher, Griswold et al. (CASENT9018251).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="etymology">
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<paragraph pageId="0" pageNumber="1">Etymology.</paragraph>
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<paragraph pageId="0" pageNumber="1">The specific name is a noun in apposition and commemorates Queen Rangita.</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="diagnosis">
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<paragraph pageId="0" pageNumber="1">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Males and females are considered part of the "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" based on having a single dorsal protuberance on the abdomen (a triangular shaped abdomen) (Fig. 7A). Males are distinguished from all other species in the "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" by the shape of the MA that has two bifurcations, one deep and one shallow (Fig. 7C). Females are distinguished from
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<taxonomicName lsidName="E. andriamanelo" pageId="0" pageNumber="1" rank="species" species="andriamanelo">E. andriamanelo</taxonomicName>
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by lacking the heavily sclerotized
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<normalizedToken originalValue="“T”">"T"</normalizedToken>
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shaped structure on the posterior of the bursa, from
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<taxonomicName lsidName="E. andrianampoinimerina" pageId="0" pageNumber="1" rank="species" species="andrianampoinimerina">E. andrianampoinimerina</taxonomicName>
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by lacking the strong abdomen markings and by the
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<normalizedToken originalValue="“neck”">"neck"</normalizedToken>
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having a tilt angle that is less than 80°, and from
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<taxonomicName lsidName="E. ranavalona" pageId="0" pageNumber="1" rank="species" species="ranavalona">E. ranavalona</taxonomicName>
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by lacking the lime-green abdomen markings. Females are indistinguishable from the remaining "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" species.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="description">
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<paragraph pageId="0" pageNumber="1">Description.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Male holotype (CASENT9010053, from Ambohimanga Village, Madagascar). Total length 4.15, carapace 1.58 long, 1.37 wide. Abdomen 2.44 long, 2.74 high, with a prominent dorsal hump. Carapace tilt angle 71.52°, tilt height (CtH) 3.64, constriction 0.50, head length 1.50, neck length 2.09. CtH divided by carapace length 2.30. Cephalon with AME on a large bulge and 4 post-ocular protrusions on the apex of the cephalon (Fig. 7A), each provided with a short modified spine at the tip. Chelicerae 3.69 long, with seta 0.52 from base of chelicerae (Fig. 7A). Femur I 6.93 long. Sternum 1.11 long, 0.59 wide. Carapace, chelicerae, sternum, coxae and femora I & II reddish dark brown with many white setae. Legs III & IV yellowish brown, with darker annulations on femora, tibiae and metatarsi. Abdomen yellowish brown, mottled with grayish brown, and light brown book-lung covers, all covered with many white setae (Fig. 7A). Pedipalpal tegulum of the "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" form, with apical conductor encircling a pit-like cavity (Fig. 7
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<normalizedToken originalValue="D–K">D-K</normalizedToken>
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). Conductor tip is a broad triangular point similar to other "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" species except
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<taxonomicName lsidName="E. andriamanelo" pageId="0" pageNumber="1" rank="species" species="andriamanelo">E. andriamanelo</taxonomicName>
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(Fig. 3H), where the conductor is divided. MA with a broad unsclerotized transparent base and two apical sclerotized processes, one forked and the other un-forked, so the MA looks tri-forked in the unexpanded palp (Fig. 7C, G,
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<normalizedToken originalValue="J–K">J-K</normalizedToken>
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). Embolus similar to other "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" species, being broad and complex with the sperm duct opening in the middle and sclerotization only at the tip (Fig. 7E, H, K).
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</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Female paratype (CASENT9005939). Total length 4.17, carapace 1.66 long, 1.36 wide. Abdomen 2.32 long, 1.94 wide, 2.52 high, with dorsal hump. Carapace tilt angle 75.0°, tilt height (CtH) 3.55, constriction 0.46, head length 1.43, neck length 2.06 (Fig. 2). CtH divided by carapace length 2.14. Cephalon as in male. Chelicerae 3.52 long, and with spine 0.41 from base of chelicerae. Femur I 7.21 long. Sternum 1.05 long, 0.55 wide. Colors as in male, but abdomen generally darker and without clear pattern. Female internal genitalia indistinguishable from other "
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<taxonomicName genus="Palpimanoidea" lsidName="Palpimanoidea workmani" pageId="0" pageNumber="1" rank="species" species="workmani">workmani</taxonomicName>
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group" species (Fig. 7B, L).
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</paragraph>
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<caption pageId="0" pageNumber="1">
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<paragraph pageId="0" pageNumber="1">
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Figure 7.
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<taxonomicName class="Arachnida" family="Archaeidae" genus="Eriauchenius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Eriauchenius rangita" order="Araneae" pageId="0" pageNumber="1" phylum="Arthropoda" rank="species" species="rangita">Eriauchenius rangita</taxonomicName>
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sp. n. A male (CASENT9018159) habitus, lateral view B, L female (CASENT9018159) internal genitalia B dorsal view L posterior view, arrow showing membranous projection on bursa
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<normalizedToken originalValue="D–F">D-F</normalizedToken>
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,
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<normalizedToken originalValue="J–K">J-K</normalizedToken>
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male right pedipalpal bulb (CASENT9018251) image reversed
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<normalizedToken originalValue="G–I">G-I</normalizedToken>
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left pedipalpal bulb (CASENT9018159) C median apophysis variation, apical view (CASENT9018159 & CASENT9010053, holotype) D, G prolateral view E, H ventral view F, I retrolateral view J close up, prolateral view K close-up, ventral view. Scale bars: 1 mm (A); 0.25 mm (B, D).
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="variation">
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<paragraph pageId="0" pageNumber="1">Variation.</paragraph>
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<paragraph pageId="0" pageNumber="1">Total length 3.70-4.17 (males; n=3), 4.30-4.84 (females; n=5); Carapace length 1.47-1.66 (males; n=3), 1.63-1.94 (females; n=5); Femur I 4.3-4.39 times the length of carapace in males (n=3) and 3.22-3.55 times the length of carapace in females (n=5). CtH divided by carapace length 2.13-2.31 in males (n=3), 2.19-2.31 in females (n=5). Average femur I length 6.82 (males; n=3), 6.04 (females; n=5).</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="natural history">
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<paragraph pageId="0" pageNumber="1">Natural history.</paragraph>
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<paragraph pageId="0" pageNumber="1">
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Specimens have been collected in montane rainforest through general collecting day and night, 'cryptic
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<normalizedToken originalValue="searching’">searching'</normalizedToken>
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, and within a fallen palm frond, at altitudes of 1050-1550 m above sea level. Several specimens have been collected with separate eggsacs that are almost the size of the spider and contains 30-40 relatively large white eggsacs wrapped in thin transparent silk. A couple of hatched eggsacs have also been collected.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="1" type="distribution">
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<paragraph pageId="0" pageNumber="1">Distribution.</paragraph>
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<paragraph pageId="0" pageNumber="1">Known only from central Madagascar (Fig. 30).</paragraph>
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</subSubSection>
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</treatment>
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</document> |