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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1118.84643" ID-Pensoft-Pub="1313-2970-1118-73" ID-Pensoft-UUID="8BE78C38025E510DB4E4DED3D847E1E0" ID-ZooBank="704E06A108774307A3E5258FFB0D1E18" ModsDocID="1313-2970-1118-73" checkinTime="1661416735117" checkinUser="pensoft" docAuthor="Yanai, Zohar, Sroka, Pavel &amp; Gattolliat, Jean-Luc" docDate="2022" docId="A3165CB4692D582EBB027DC02A2067BA" docLanguage="en" docName="ZooKeys 1118: 73-95" docOrigin="ZooKeys 1118" docPubDate="2022-08-24" docSource="http://dx.doi.org/10.3897/zookeys.1118.84643" docTitle="Alainites bengunn Yanai &amp; Gattolliat 2022, sp. nov." docType="treatment" docUuid="A4EA23BC-7DEE-4587-88E7-D27BCA64EE31" docUuidSource="ZooBank" docVersion="1" id="8BE78C38025E510DB4E4DED3D847E1E0" lastPageNumber="73" masterDocId="8BE78C38025E510DB4E4DED3D847E1E0" masterDocTitle="Two new species of Alainites (Ephemeroptera, Baetidae) from the Mediterranean biodiversity hotspot" masterLastPageNumber="95" masterPageNumber="73" pageNumber="73" updateTime="1661416735117" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Two new species of Alainites (Ephemeroptera, Baetidae) from the Mediterranean biodiversity hotspot</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Yanai, Zohar</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-6440-0116</mods:nameIdentifier>
<mods:affiliation>The Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv 6997801, Israel</mods:affiliation>
<mods:nameIdentifier type="email">yanai.zohar@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Sroka, Pavel</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-4367-6564</mods:nameIdentifier>
<mods:affiliation>Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branisovska 31, 37005 Ceske Budejovice, Czech Republic</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Gattolliat, Jean-Luc</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5873-5083</mods:nameIdentifier>
<mods:affiliation>Musee cantonal de zoologie, Palais de Rumine, Place de la Riponne 6, 1014 Lausanne, Switzerland &amp; University of Lausanne (UNIL), Department of Ecology and Evolution, 1015 Lausanne, Switzerland</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2022</mods:date>
<mods:detail type="pubDate">
<mods:number>2022-08-24</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1118</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>73</mods:start>
<mods:end>95</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1118.84643</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1118.84643</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1118-73</mods:identifier>
<mods:identifier type="ZooBank">704E06A108774307A3E5258FFB0D1E18</mods:identifier>
<mods:identifier type="Pensoft-UUID">8BE78C38025E510DB4E4DED3D847E1E0</mods:identifier>
</mods:mods>
<treatment LSID="urn:lsid:zoobank.org:act:A4EA23BC-7DEE-4587-88E7-D27BCA64EE31" httpUri="http://treatment.plazi.org/id/A3165CB4692D582EBB027DC02A2067BA" lastPageNumber="73" pageId="0" pageNumber="73">
<subSubSection pageId="0" pageNumber="73" type="nomenclature">
<paragraph pageId="0" pageNumber="73">
<taxonomicName LSID="https://zoobank.org/A4EA23BC-7DEE-4587-88E7-D27BCA64EE31" authority="Yanai &amp; Gattolliat" authorityName="Yanai &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites bengunn" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="bengunn" status="sp. nov.">Alainites bengunn Yanai &amp; Gattolliat</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="73">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="description">
<paragraph pageId="0" pageNumber="73">
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Alainites bengunn sp. nov., habitus: lateral view (top) and dorsal view (bottom)." figureDoi="10.3897/zookeys.1118.84643.figure1" httpUri="https://binary.pensoft.net/fig/734629" pageId="0" pageNumber="73">Figs 1</figureCitation>
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">, 2</figureCitation>
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">, 3</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="reference_group">
<paragraph pageId="0" pageNumber="73">
<taxonomicName authority="Yanai &amp; Sroka &amp; Gattolliat, 2022" authorityName="Yanai &amp; Sroka &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites muticus" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="muticus" status="sp. nov.">Alainites muticus</taxonomicName>
in Buffagani et al. 2003
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName authority="Yanai &amp; Sroka &amp; Gattolliat, 2022" authorityName="Yanai &amp; Sroka &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites muticus" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="muticus" status="sp. nov.">Alainites cf. muticus</taxonomicName>
in
<bibRefCitation author="Gattolliat, J-L" journalOrPublisher="Arthropod Systematics &amp; Phylogeny" pageId="0" pageNumber="73" pagination="3 - 18" refId="B14" refString="Gattolliat, J-L, Cavallo, E, Vuataz, L, Sartori, M, 2015. DNA barcoding of Corsican mayflies (Ephemeroptera) with implications on biogeography, systematics and biodiversity. Arthropod Systematics &amp; Phylogeny 73: 3 - 18" title="DNA barcoding of Corsican mayflies (Ephemeroptera) with implications on biogeography, systematics and biodiversity." volume="73" year="2015">Gattolliat et al. 2015</bibRefCitation>
</paragraph>
<paragraph pageId="0" pageNumber="73">
<taxonomicName authority="Yanai &amp; Sroka &amp; Gattolliat, 2022" authorityName="Yanai &amp; Sroka &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Takobia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Takobia albinatii" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="albinatii" status="sp. nov.">Takobia sp. cf. albinatii</taxonomicName>
in
<bibRefCitation DOI="https://doi.org/10.1080/24750263.2018.1480732" author="Tenchini, R" journalOrPublisher="The European Zoological Journal" pageId="0" pageNumber="73" pagination="254 - 267" refId="B42" refString="Tenchini, R, Cardoni, S, Piredda, R, Simeone, MC, Belfiore, C, 2018. DNA barcoding and faunistic criteria for a revised taxonomy of Italian Ephemeroptera. The European Zoological Journal 85 (1): 254 - 267, DOI: https://doi.org/10.1080/24750263.2018.1480732" title="DNA barcoding and faunistic criteria for a revised taxonomy of Italian Ephemeroptera." url="https://doi.org/10.1080/24750263.2018.1480732" volume="85" year="2018">Tenchini et al. 2018</bibRefCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="materials_examined">
<paragraph pageId="0" pageNumber="73">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="73">
<materialsCitation collectingDate="2009-05-15" collectorName="L. Vuataz, E. Cavallo, Y. Chittaro" country="Italy" county="Loc" elevation="810" latitude="40.150833" location="Taloro" longLatPrecision="11" longitude="9.272833" municipality="Fonni" specimenCount="1" stateProvince="Sardinia" typeStatus="Holotype">
<emphasis bold="true" pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">
<typeStatus>Holotype</typeStatus>
</emphasis>
.
</emphasis>
1 nymph,
<collectingCountry name="Italy">Italy</collectingCountry>
,
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
,
<collectingCounty>Loc</collectingCounty>
near
<collectingMunicipality>Fonni</collectingMunicipality>
, trib. of
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:2185C89EFF1C8895379B0E479EB23F61" country="Italy" county="Loc" latitude="40.150833" longLatPrecision="11" longitude="9.272833" municipality="Fonni" name="Taloro" stateProvince="Sardinia">Taloro</location>
(SA27),
<geoCoordinate degrees="40" direction="north" minutes="09.05" orientation="latitude" precision="9" value="40.150833">40°09.05'N</geoCoordinate>
,
<geoCoordinate degrees="9" direction="east" minutes="16.37" orientation="longitude" precision="9" value="9.272833">9°16.37'E</geoCoordinate>
, alt.
<elevation metricMagnitude="2" metricUnit="m" metricValue="8.1" unit="m" value="810.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="8.1" unit="m" value="810.0">810 m</quantity>
a.s.l.
</elevation>
,
<collectingDate value="2009-05-15">15.v.2009</collectingDate>
,
<collectorName>L. Vuataz</collectorName>
,
<collectorName>E. Cavallo</collectorName>
&amp;
<collectorName>Y. Chittaro</collectorName>
leg., MZL (GBIFCH 00970536)
</materialsCitation>
.
<materialsCitation collectingDate="2010-06-20" collectingDateMax="2010-06-21" collectingDateMin="2010-06-20" collectorName="T. Soldan" country="Italy" county="Monti del Genargentu" location="Fonni village" municipality="Monte Spada" specimenCount="1" stateProvince="Sardinia" typeStatus="Paratypes">
<emphasis bold="true" pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">
<typeStatus>Paratypes</typeStatus>
</emphasis>
.
</emphasis>
<collectingCountry name="Italy">Italy</collectingCountry>
. 3 nymphs (2 on slide), same details as
<typeStatus>holotype</typeStatus>
, SMNH, IECA, MZL (GBIFCH 00280204, GBIFCH 00604446, GBIFCH 00604447) • 21 nymphs (2 on slide),
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
,
<collectingCounty>Monti del Genargentu</collectingCounty>
, near
<collectingMunicipality>Monte Spada</collectingMunicipality>
,
<collectingDate value="2010-06-20">20.vi.2010</collectingDate>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
leg., MZL (7 nymphs), SMNH (7 nymphs), IECA (7 nymphs) • 33 nymphs (2 on slide),
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
, tributary of Fiume Taloro Riv.,
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:5A11849D3418EA72EF188BFBA5907098" country="Italy" county="Monti del Genargentu" municipality="Monte Spada" name="Fonni village" stateProvince="Sardinia">Fonni village</location>
,
<collectingDate value="2010-06-20">20.vi.2010</collectingDate>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
leg., MZL (11 nymphs), SMNH (11 nymphs), IECA (11 nymphs) • 35 nymphs (2 on slide),
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:9D74403203600C2330DE091A733DDB41" country="Italy" county="Monti del Genargentu" municipality="Monte Spada" name="Riu Pramaera River" stateProvince="Sardinia">Riu Pramaera River</location>
,
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:5AE6E4BE8E9264D45A3BEE031671622C" country="Italy" county="Monti del Genargentu" municipality="Monte Spada" name="Lotzorai village" stateProvince="Sardinia">Lotzorai village</location>
,
<collectingDate value="2010-06-21">21.vi.2010</collectingDate>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
leg., MZL (11 nymphs), SMNH (11 nymphs), IECA (13 nymphs).
<emphasis bold="true" pageId="0" pageNumber="73">
Additional
<typeStatus isOtherTypeStatus="true">non-type material</typeStatus>
.
</emphasis>
</materialsCitation>
<materialsCitation collectingDate="2010-06-20" collectingDateMax="2010-06-21" collectingDateMin="2010-06-20" collectorName="T. Soldan" country="Italy" county="Rio Rumine" location="Urzulei village" municipality="Mamoiada village" specimenCount="1" stateProvince="Sardinia" typeStatus="paratype">
<collectingCountry name="Italy">Italy</collectingCountry>
. 3 nymphs,
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
,
<collectingCounty>Rio Rumine</collectingCounty>
, vicinity of
<collectingMunicipality>Mamoiada village</collectingMunicipality>
,
<collectingDate value="2010-06-20">20.vi.2010</collectingDate>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
leg., IECA • 1 nymph,
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
, Genna Stream, Auxi Pass, vicinity of
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:7B63D0C8228CF7E4A02A8ACD60FF9E96" country="Italy" county="Rio Rumine" municipality="Mamoiada village" name="Urzulei village" stateProvince="Sardinia">Urzulei village</location>
,
<collectingDate value="2010-06-21">21.vi.2010</collectingDate>
,
<collectorName>
T.
<normalizedToken originalValue="Soldán">Soldan</normalizedToken>
</collectorName>
leg., IECA
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="materials_examined">
<paragraph pageId="0" pageNumber="73">Material not examined.</paragraph>
<paragraph pageId="0" pageNumber="73">
<materialsCitation collectingDate="2022-01-01" collectingDateMax="2022-12-31" collectingDateMin="2022-01-01" collectorName="C. Belfiore" country="Italy" elevation="240" latitude="40.589333" location="Loc. Siligo village" longLatPrecision="11" longitude="8.725833" specimenCount="1" stateProvince="Sardinia">
<collectingCountry name="Italy">Italy</collectingCountry>
.
<collectingRegion country="Italy" name="Sardegna">Sardinia</collectingRegion>
,
<location LSID="urn:lsid:plazi:treatment:A3165CB4692D582EBB027DC02A2067BA:475EE2631C8C9AB4F1CD1BD2984702DB" country="Italy" latitude="40.589333" longLatPrecision="11" longitude="8.725833" name="Loc. Siligo village" stateProvince="Sardinia">Loc. Siligo village</location>
,
<geoCoordinate degrees="40" direction="north" minutes="35.36" orientation="latitude" precision="9" value="40.589333">40°35.36'N</geoCoordinate>
,
<geoCoordinate degrees="8" direction="east" minutes="43.55" orientation="longitude" precision="9" value="8.725833">8°43.55'E</geoCoordinate>
, alt.
<elevation metricMagnitude="2" metricUnit="m" metricValue="2.4" unit="m" value="240.0">
<quantity metricMagnitude="2" metricUnit="m" metricValue="2.4" unit="m" value="240.0">240 m</quantity>
a.s.l.
</elevation>
,
<collectorName>C. Belfiore</collectorName>
leg.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="differential diagnosis">
<paragraph pageId="0" pageNumber="73">Differential diagnosis.</paragraph>
<paragraph pageId="0" pageNumber="73">
The species is distinct amongst other West Palaearctic
<taxonomicName authorityName="Yanai &amp; Sroka &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="73">Alainites</emphasis>
</taxonomicName>
species based on the combination of (1) six pairs of abdominal gills, (2) paraproct prolongation covered with spines on its entire surface, (3) serration between prostheca and mola, and (4) low number of dorsal setae on its fore-femora (14-20) and relatively many of them on the fore-tibiae (up to 17).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="description">
<paragraph pageId="0" pageNumber="73">Description of nymph.</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" italics="true" pageId="0" pageNumber="73">Length</emphasis>
. Female body 7.0-7.9 mm; cerci 4.5-5.5 mm; median caudal filament ca. 2/3 of cerci. Male body 6.0-6.7 mm; cerci 4.0-5.0 mm; median caudal filament ca. 2/3 of cerci.
</paragraph>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" italics="true" pageId="0" pageNumber="73">Colouration</emphasis>
(Fig.
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Alainites bengunn sp. nov., habitus: lateral view (top) and dorsal view (bottom)." figureDoi="10.3897/zookeys.1118.84643.figure1" httpUri="https://binary.pensoft.net/fig/734629" pageId="0" pageNumber="73">1</figureCitation>
). General colouration brown. Head uniformly brown with vermiform marks on vertex and frons. Legs ecru except upper side of femora brown. Thorax brown with some paler area, but without clear pattern. Abdominal tergites brown with a central yellowish elongated dot; distal part of tergite IX and whole tergite X yellowish. Abdominal sternites I and II yellowish, III-IX pale brown. Cerci ecru to pale brown.
</paragraph>
<caption doi="10.3897/zookeys.1118.84643.figure1" httpUri="https://binary.pensoft.net/fig/734629" pageId="0" pageNumber="73" start="Figure 1" startId="F1">
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Figure 1.</emphasis>
<taxonomicName authorityName="Yanai &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites bengunn" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="bengunn">
<emphasis italics="true" pageId="0" pageNumber="73">Alainites bengunn</emphasis>
</taxonomicName>
sp. nov., habitus: lateral view (top) and dorsal view (bottom).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Head</emphasis>
.
</emphasis>
Antennae (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2A</figureCitation>
) close to each other, with a narrow interantennal carina; scape with few deep scale insertions. Dorsal surface of labrum (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2B</figureCitation>
) with one central long seta and distolateral arc of four medium to long, simple, stout setae, and small fine setae scattered on surface; ventral surface with 5-6 submarginal small, pointed setae; distal margin fringed with ca. 20 short, followed by seven or eight long, feathered setae. Right mandible (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2C</figureCitation>
) slightly shagreened, with sparse fine setae and deep scale insertions; incisors composed of eight apically rounded, distinct denticles, outer- and innermost denticles smaller than others; prostheca reduced and bifid with numerous thin setae; space between prostheca and mola serrated, tuft of setae absent; apex of mola with tuft of two setae. Left mandible (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2D</figureCitation>
) slightly shagreened, with sparse fine setae and deep scale insertions; incisors composed of eight rounded, distinct denticles, outer- and innermost denticles smallest, and small denticle in the middle; prostheca with few medium denticles and comb-shaped structure; margin between prostheca and mola serrated, without setae; tuft on apex of mola reduced to one seta. Hypopharynx (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2E</figureCitation>
) trilobed, apically sparsely covered with thin setae; lingua with no central protuberance; superlingua subequal to lingua. Maxillae (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2F</figureCitation>
) apex with three elongated and curved teeth and a tooth-like dentiseta; crown with two rows of setae, first row with small setae, second row with two long stout feathered dentisetae; palp two-segmented, extending the apex of galealacinia, length of segment I approximately 0.75
<normalizedToken originalValue="×">x</normalizedToken>
segment II; segment II apically rounded, with sparse thin setae. Labium (Fig.
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Alainites bengunn sp. nov., nymph, characters of the head A antenna base B labrum (left side dorsal view, right side ventral view) C right mandible (ventral view) D left mandible (ventral view) E hypopharynx F maxilla G labium (left side dorsal view, right side ventral view). B-G presented to the same scale." figureDoi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73">2G</figureCitation>
) with glossae slightly shorter than paraglossae; inner margins of glossae with eight or nine stout medium setae, apical margin with ca. nine long stout setae; ventral surface with few thin scattered setae; dorsal surface with row of ca. six medium setae; paraglossae with three rows of eight or nine long, stout, simple setae apically; labial palp three-segmented; segment I 0.75
<normalizedToken originalValue="×">x</normalizedToken>
length of segments II and III combined; segment II with dorsal oblique row of five medium setae; segment III rounded, nearly symmetrical, slightly pointed apically, covered with few short thin setae.
</paragraph>
<caption doi="10.3897/zookeys.1118.84643.figure2" httpUri="https://binary.pensoft.net/fig/734630" pageId="0" pageNumber="73" start="Figure 2" startId="F2">
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Figure 2.</emphasis>
<taxonomicName authorityName="Yanai &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites bengunn" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="bengunn">
<emphasis italics="true" pageId="0" pageNumber="73">Alainites bengunn</emphasis>
</taxonomicName>
sp. nov., nymph, characters of the head
<emphasis bold="true" pageId="0" pageNumber="73">A</emphasis>
antenna base
<emphasis bold="true" pageId="0" pageNumber="73">B</emphasis>
labrum (left side dorsal view, right side ventral view)
<emphasis bold="true" pageId="0" pageNumber="73">C</emphasis>
right mandible (ventral view)
<emphasis bold="true" pageId="0" pageNumber="73">D</emphasis>
left mandible (ventral view)
<emphasis bold="true" pageId="0" pageNumber="73">E</emphasis>
hypopharynx
<emphasis bold="true" pageId="0" pageNumber="73">F</emphasis>
maxilla
<emphasis bold="true" pageId="0" pageNumber="73">G</emphasis>
labium (left side dorsal view, right side ventral view).
<emphasis bold="true" pageId="0" pageNumber="73">B-G</emphasis>
presented to the same scale.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Thorax</emphasis>
.
</emphasis>
Forelegs (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3A</figureCitation>
). Trochanter with four or five marginal short stout pointed setae and few similar setae on surface. Femora dorsally with one row of 14-20 long, stout setae, and very few setae subparallel to dorsal margin; dorsoapical setal patch formed by two stout, long setae; ventrally several marginal and submarginal short stout pointed setae; lateral surface with scale bases, mainly on apical half and along subdorsal area. Tibiae dorsally with 9-17 short stout pointed setae, denser towards apical end, few proximal minute setae; ventrally with marginal and submarginal short stout pointed setae, denser towards apical end; tibiopatellar suture present; lateral surface with few short, stout, pointed setae and numerous scale bases. Tarsi bare dorsally; ventral margin with ca. 20 pointed medium setae; lateral surface with numerous scale bases. Tarsal claws (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3B</figureCitation>
) hooked with one row of 10-15 medium teeth, apical setae absent. Mid and hindlegs similar to forelegs except femora dorsally with 13-25 pointed setae and tibiae (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3C</figureCitation>
) with 11-18 similar setae dorsally. Hindwing pads present.
</paragraph>
<caption doi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73" start="Figure 3" startId="F3">
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">Figure 3.</emphasis>
<taxonomicName authorityName="Yanai &amp; Gattolliat" authorityYear="2022" class="Insecta" domain="Unassigned" family="Baetidae" genus="Alainites" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Alainites bengunn" order="Ephemeroptera" pageId="0" pageNumber="73" phylum="Arthropoda" rank="species" species="bengunn">
<emphasis italics="true" pageId="0" pageNumber="73">Alainites bengunn</emphasis>
</taxonomicName>
sp. nov., nymph, characters of the thorax and abdomen
<emphasis bold="true" pageId="0" pageNumber="73">A</emphasis>
foreleg
<emphasis bold="true" pageId="0" pageNumber="73">B</emphasis>
tarsal claw of foreleg
<emphasis bold="true" pageId="0" pageNumber="73">C</emphasis>
tibia of midleg
<emphasis bold="true" pageId="0" pageNumber="73">D</emphasis>
distal margin of tergum IV
<emphasis bold="true" pageId="0" pageNumber="73">E</emphasis>
gill IV
<emphasis bold="true" pageId="0" pageNumber="73">F</emphasis>
paraproct (with detail of prolongation).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="73">
<emphasis bold="true" pageId="0" pageNumber="73">
<emphasis italics="true" pageId="0" pageNumber="73">Abdomen</emphasis>
.
</emphasis>
Terga (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3D</figureCitation>
) shagreened, with numerous scale bases, distal margin of tergite IV with triangular spines about twice longer than broad. Sterna shagreened with scales and scale bases; posterior margin smooth without spination. Gills (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3E</figureCitation>
) on segments II-VII, elliptical, almost symmetrical and with serrated margins, except proximal part; tracheation well visible and well branched; gill VII similar to gills II to VI. Paraproct (Fig.
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Alainites bengunn sp. nov., nymph, characters of the thorax and abdomen A foreleg B tarsal claw of foreleg C tibia of midleg D distal margin of tergum IV E gill IV F paraproct (with detail of prolongation)." figureDoi="10.3897/zookeys.1118.84643.figure3" httpUri="https://binary.pensoft.net/fig/734631" pageId="0" pageNumber="73">3F</figureCitation>
) with abundant scale bases but almost no setae; margin with ca. seven broad, triangular spines inner to prolongation and numerous medium spines outer to prolongation; prolongation covered with numerous small spines; cercotractor with scattered scale bases, margin with ca. 20 small spines.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="imagos">
<paragraph pageId="0" pageNumber="73">Imagos.</paragraph>
<paragraph pageId="0" pageNumber="73">Unknown.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="etymology">
<paragraph pageId="0" pageNumber="73">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="73">The species is endemic to an island, just like Ben Gunn who was deserted and isolated on an island by his crewmates in &quot;Treasure Island&quot; by R.L. Stevenson (1850-1894).</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="73" type="distribution">
<paragraph pageId="0" pageNumber="73">Distribution and ecology.</paragraph>
<paragraph pageId="0" pageNumber="73">Little is known about the ecology and distribution of this species. The type locality is a small stream (less than three meters wide), shallow, and with medium current velocity. The species is only known from Sardinia where it is apparently not frequent and not very abundant.</paragraph>
</subSubSection>
</treatment>
</document>