340 lines
29 KiB
XML
340 lines
29 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/asp.79.e68203" ID-GBIF-Dataset="853ba078-53ff-421d-89a0-98037d7054c4" ID-GBIF-Taxon="189468821" ID-Pensoft-Pub="1864-8312-79-535" ID-Pensoft-UUID="B4ECEA7A887C594582BC4CD7D04C8A76" ID-ZooBank="95D8B60EE90F462DB95A2998E24668CB" LSID="urn:lsid:zoobank.org:act:ED915A59-725D-4A22-8E67-6BCC3866638" ModsDocID="1864-8312-79-535" checkinTime="1634039453010" checkinUser="pensoft" docAuthor="Sheth, Sayali D., Ghate, Hemant V., Dahanukar, Neelesh & Hajek, Jiri" docDate="2021" docId="42774C0E2B0756049D95C567FA780B8C" docLanguage="en" docName="ArthropodSystPhyl 79: 535-553" docOrigin="Arthropod Systematics & amp; Phylogeny 79" docPubDate="2021-10-11" docSource="http://dx.doi.org/10.3897/asp.79.e68203" docTitle="Peschetius bistroemi Sheth & Ghate & Dahanukar & Hájek 2021, sp. nov." docType="treatment" docUuid="ED915A59-725D-4A22-8E67-6BCC38696638" docUuidSource="ZooBank" docVersion="3" id="B4ECEA7A887C594582BC4CD7D04C8A76" lastPageNumber="535" masterDocId="B4ECEA7A887C594582BC4CD7D04C8A76" masterDocTitle="Integrative taxonomic review of the genus Peschetius (Coleoptera, Dytiscidae, Hydroporinae) from India with description of two new species" masterLastPageNumber="553" masterPageNumber="535" pageId="0" pageNumber="535" updateTime="1635284566724" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Integrative taxonomic review of the genus Peschetius (Coleoptera, Dytiscidae, Hydroporinae) from India with description of two new species</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Sheth, Sayali D.</mods:namePart>
|
||
<mods:affiliation>Annasaheb Kulkarni Department of Biodiversity, Abasaheb Garware College, Pune, India; https: // orcid. org / 0000 - 0002 - 1999 - 9462</mods:affiliation>
|
||
<mods:nameIdentifier type="email">shethsayali03@gmail.com</mods:nameIdentifier>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Ghate, Hemant V.</mods:namePart>
|
||
<mods:affiliation>Department of Zoology, Modern College of Arts, Science & Commerce, Shivajinagar, Pune, India; https: // orcid. org / 0000 - 0003 - 4934 - 7542;</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Dahanukar, Neelesh</mods:namePart>
|
||
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-7162-9023</mods:nameIdentifier>
|
||
<mods:affiliation>Indian Institute of Science Education and Research (IISER), Pune, India; https: // orcid. org / 0000 - 0001 - 7162 - 9023; & Zoo Outreach Organization (ZOO), Coimbatore, India;</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Hajek, Jiri</mods:namePart>
|
||
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5779-1542</mods:nameIdentifier>
|
||
<mods:affiliation>Department of Entomology, National Museum, Prague, Czech Republic; https: // orcid. org / 0000 - 0001 - 5779 - 1542</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>Arthropod Systematics & amp; Phylogeny</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2021</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2021-10-11</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>79</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>535</mods:start>
|
||
<mods:end>553</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/asp.79.e68203</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/asp.79.e68203</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1864-8312-79-535</mods:identifier>
|
||
<mods:identifier type="ZooBank">95D8B60EE90F462DB95A2998E24668CB</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">B4ECEA7A887C594582BC4CD7D04C8A76</mods:identifier>
|
||
</mods:mods>
|
||
<subSection pageId="0" pageNumber="535" type="3. results">
|
||
<treatment ID-GBIF-Taxon="189468821" LSID="urn:lsid:zoobank.org:act:ED915A59-725D-4A22-8E67-6BCC3866638" httpUri="http://treatment.plazi.org/id/42774C0E2B0756049D95C567FA780B8C" lastPageNumber="535" pageId="0" pageNumber="535">
|
||
<subSubSection pageId="0" pageNumber="535" type="nomenclature">
|
||
<paragraph pageId="0" pageNumber="535">
|
||
3.3.1.
|
||
<taxonomicName LSID="http://zoobank.org/ED915A59-725D-4A22-8E67-6BCC3866638" authority="Sheth & Ghate & Dahanukar & Hájek, 2021" authorityName="Sheth & Ghate & Dahanukar & Hájek" authorityYear="2021" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi" status="sp. nov.">Peschetius bistroemi</taxonomicName>
|
||
<taxonomicNameLabel pageId="0" pageNumber="535">sp. nov.</taxonomicNameLabel>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="description">
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Dorsal habitus of Indian Peschetius. A P. bistroemi sp. nov. (Holotype) B P. nilssoni sp. nov. (Paratype- a longitudinal spot, b transverse spot; Amboli, Maharashtra) C P. quadricostatus (Amboli, Maharashtra) D P. toxophorus (a uninterrupted transverse band; Kotagiri, Tamil Nadu). (Body length: A 3.04 mm, B 3.15 mm, C 3.40 mm, D 3.35 mm)." figureDoi="10.3897/asp.79.e68203.figure5" httpUri="https://binary.pensoft.net/fig/597465" pageId="0" pageNumber="535">Figs 5A</figureCitation>
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Male genitalia of Indian Peschetius (a. median lobe; b. paramere; bx. tapering of paramere). A P. bistroemi sp. nov. (holotype) B P. nilssoni sp. nov. (holotype) C P. quadricostatus (Jejuri, Maharashtra) D P. toxophorus (Satara, Maharashtra). Scale bars: 100 µm (A, B, C, D)." figureDoi="10.3897/asp.79.e68203.figure6" httpUri="https://binary.pensoft.net/fig/597466" pageId="0" pageNumber="535">, 6A</figureCitation>
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Prosternal process of Peschetius. A P. bistroemi sp. nov. (paratype; Mukkada, Kerala) B P. nilssoni sp. nov. (paratype; Jejuri, Maharashtra). Scale bars: without scale." figureDoi="10.3897/asp.79.e68203.figure7" httpUri="https://binary.pensoft.net/fig/597467" pageId="0" pageNumber="535">, 7A</figureCitation>
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Female spermatheca of Indian Peschetius. A P. bistroemi sp. nov. (paratype; Mukkada, Kerala) B P. nilssoni sp. nov. (a spermathecal spine; paratype; Ane, Maharashtra) C P. quadricostatus (Ane, Maharashtra) D P. toxophorus (a spermathecal spine; Satara, Maharashtra). Scale bars: 100 µm (A, B, C, D)." figureDoi="10.3897/asp.79.e68203.figure8" httpUri="https://binary.pensoft.net/fig/597468" pageId="0" pageNumber="535">, 8A</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="535">Specimens examined.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<materialsCitation ID-GBIF-Occurrence="3394035356" collectingDate="2020-01-07" collectorName="S. D. Sheth, Bengaluru" country="INDIA" county="Kottayam district" elevation="10" latitude="9.589167" location="Indian Council of Agricultural Research" longLatPrecision="21" longitude="76.58305" municipality="Pambady" specimenCount="♂" stateProvince="Kerala" typeStatus="Holotype">
|
||
<emphasis bold="true" pageId="0" pageNumber="535">
|
||
<typeStatus>Holotype</typeStatus>
|
||
</emphasis>
|
||
:
|
||
<collectingCountry name="India">INDIA</collectingCountry>
|
||
•
|
||
<specimenCount>♂</specimenCount>
|
||
;
|
||
<collectingRegion country="India" name="Kerala">Kerala</collectingRegion>
|
||
,
|
||
<collectingCounty>Kottayam district</collectingCounty>
|
||
,
|
||
<collectingMunicipality>Pambady</collectingMunicipality>
|
||
;
|
||
<geoCoordinate degrees="9" direction="north" minutes="35" orientation="latitude" precision="15" seconds="21" value="9.589167">9°35′21″N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="76" direction="east" minutes="34" orientation="longitude" precision="15" seconds="59" value="76.58305">76°34′59″E</geoCoordinate>
|
||
; ca
|
||
<specimenCount type="generic">
|
||
<quantity metricMagnitude="1" metricUnit="m" metricValue="1.0" unit="m" value="10.0">
|
||
<elevation metricMagnitude="1" metricUnit="m" metricValue="1.0" unit="m" value="10.0">10 m</elevation>
|
||
</quantity>
|
||
.
|
||
</specimenCount>
|
||
a.s.l.;
|
||
<collectingDate value="2020-01-07">7 Jan. 2020</collectingDate>
|
||
;
|
||
<collectorName>S. D. Sheth</collectorName>
|
||
leg.; streamlet;
|
||
<location LSID="urn:lsid:plazi:treatment:42774C0E2B0756049D95C567FA780B8C:640AEE40762F4C0B5ACD835CE7B4B3F6" country="INDIA" county="Kottayam district" latitude="9.589167" longLatPrecision="21" longitude="76.58305" municipality="Pambady" name="Indian Council of Agricultural Research" stateProvince="Kerala">Indian Council of Agricultural Research</location>
|
||
,
|
||
<collectorName>Bengaluru</collectorName>
|
||
, India [ICAR]
|
||
</materialsCitation>
|
||
.
|
||
<materialsCitation ID-GBIF-Occurrence="3394035322" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" collectorName="S. D. Sheth & Bengaluru" country="INDIA" county="Kottayam district" elevation="10" latitude="9.589167" location="Kerala" longLatPrecision="21" longitude="76.58305" municipality="Pambady" specimenCount="1" specimenCount-female="1" stateProvince="Kerala" typeStatus="Paratypes">
|
||
<emphasis bold="true" pageId="0" pageNumber="535">
|
||
<typeStatus>Paratypes</typeStatus>
|
||
</emphasis>
|
||
:
|
||
<collectingCountry name="India">INDIA</collectingCountry>
|
||
-
|
||
<emphasis bold="true" pageId="0" pageNumber="535">
|
||
<collectingRegion country="India" name="Kerala">Kerala</collectingRegion>
|
||
</emphasis>
|
||
•
|
||
<specimenCount type="female">1 ♀</specimenCount>
|
||
; same data as holotype; ZSIP
|
||
</materialsCitation>
|
||
•
|
||
<materialsCitation ID-GBIF-Occurrence="3394035307" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="India" elevation="100" latitude="9.468611" location="Mukkada" longLatPrecision="21" longitude="76.79528" specimenCount="2" specimenCount-female="1" specimenCount-male="1" stateProvince="Kerala" typeStatus="paratype">
|
||
<specimenCount type="male">1 ♂</specimenCount>
|
||
,
|
||
<specimenCount type="female">1 ♀</specimenCount>
|
||
;
|
||
<location LSID="urn:lsid:plazi:treatment:42774C0E2B0756049D95C567FA780B8C:8468862924A8743E95E761886CC63B1C" country="India" latitude="9.468611" longLatPrecision="21" longitude="76.79528" name="Mukkada" stateProvince="Kerala">Mukkada</location>
|
||
;
|
||
<geoCoordinate degrees="9" direction="north" minutes="28" orientation="latitude" precision="15" seconds="7" value="9.468611">9°28′7″N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="76" direction="east" minutes="47" orientation="longitude" precision="15" seconds="43" value="76.79528">76°47′43″E</geoCoordinate>
|
||
; ca
|
||
<specimenCount type="generic">
|
||
<quantity metricMagnitude="2" metricUnit="m" metricValue="1.0" unit="m" value="100.0">
|
||
<elevation metricMagnitude="2" metricUnit="m" metricValue="1.0" unit="m" value="100.0">100 m</elevation>
|
||
</quantity>
|
||
.
|
||
</specimenCount>
|
||
</materialsCitation>
|
||
a.s.l.;
|
||
<date value="2020-01-07">7 Jan. 2020</date>
|
||
; S. D. Sheth leg.; streamlet; UASB •
|
||
<materialsCitation ID-GBIF-Occurrence="3394035323" collectingDate="2021-01-01" collectingDateMax="2021-12-31" collectingDateMin="2021-01-01" country="India" elevation="50" latitude="9.771111" location="Aimcombu" longLatPrecision="21" longitude="76.69417" specimenCount="1" specimenCount-male="1" stateProvince="Kerala" typeStatus="paratype">
|
||
<specimenCount type="male">1 ♂</specimenCount>
|
||
;
|
||
<location LSID="urn:lsid:plazi:treatment:42774C0E2B0756049D95C567FA780B8C:ECB7E6AAAE86CB8516468122303D3433" country="India" latitude="9.771111" longLatPrecision="21" longitude="76.69417" name="Aimcombu" stateProvince="Kerala">Aimcombu</location>
|
||
;
|
||
<geoCoordinate degrees="9" direction="north" minutes="46" orientation="latitude" precision="15" seconds="16" value="9.771111">9°46′16″N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="76" direction="east" minutes="41" orientation="longitude" precision="15" seconds="39" value="76.69417">76°41′39″E</geoCoordinate>
|
||
; ca
|
||
<specimenCount type="generic">
|
||
<quantity metricMagnitude="1" metricUnit="m" metricValue="5.0" unit="m" value="50.0">
|
||
<elevation metricMagnitude="1" metricUnit="m" metricValue="5.0" unit="m" value="50.0">50 m</elevation>
|
||
</quantity>
|
||
.
|
||
</specimenCount>
|
||
</materialsCitation>
|
||
a.s.l.;
|
||
<date value="2020-01-07">7 Jan. 2020</date>
|
||
; S. D. Sheth leg.; streamlet; HVGC.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="description">
|
||
<paragraph pageId="0" pageNumber="535">Description of male holotype.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Habitus</emphasis>
|
||
: Body elongate, widest before midlength of elytra; lateral outline of body discontinuous with distinct angle between pronotum and elytra; elytral keels prominent (Fig.
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Dorsal habitus of Indian Peschetius. A P. bistroemi sp. nov. (Holotype) B P. nilssoni sp. nov. (Paratype- a longitudinal spot, b transverse spot; Amboli, Maharashtra) C P. quadricostatus (Amboli, Maharashtra) D P. toxophorus (a uninterrupted transverse band; Kotagiri, Tamil Nadu). (Body length: A 3.04 mm, B 3.15 mm, C 3.40 mm, D 3.35 mm)." figureDoi="10.3897/asp.79.e68203.figure5" httpUri="https://binary.pensoft.net/fig/597465" pageId="0" pageNumber="535">5A</figureCitation>
|
||
). -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Colouration</emphasis>
|
||
: Head ferruginous. Appendages testaceous. Pronotum ferruginous, with bilobed black band near posterior margin. Elytron blackish with typical testaceous markings consisting of two subbasal spots, premedian and postmedian transverse bands, and preapical spot; testaceous spot near humeral angle of elytra reduced. Ventral side overall testaceous. Prosternum darker along anterior margin, prosternal process with black border. Metaventrite darker apically, posterior margins of abdominal ventrites darkened. Coxae ferruginous. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Head</emphasis>
|
||
: Transverse (broader than long), eyes slightly emarginate. Antennae with antennomeres IV and V markedly globular and swollen, ventrally flat; antennomeres VI and VII broader, ventrally flat. Width across eyes is 2X the width between eyes. Clypeus arcuate. Labrum emarginate with series of setae on anterior margin. Punctation of head dense, distance between punctures smaller than puncture diameter. Punctures fine on clypeus, becoming progressively coarser posteriorly on frons, occipital part posterior to eyes impunctate. Setiferous punctures present in well-developed fronto-clypeal depressions and as a row along inner margin of eyes. Reticulation consisting of polygonal, slightly transverse meshes on clypeus; posterior part of frons smooth. Impunctate occipital part posterior to eyes distinctly microreticulate. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Pronotum</emphasis>
|
||
: Transverse. Anterior margin straight, sides almost straight, curved anteriorly, posterior margin gently sinuate; anterior corners acute, posterior margins obtuse. Pronotal disc with posterior depression prominent. Pronotum with distinct depressions between disc and sides, mediolaterally between disc and posterior margin. Pronotal disc strongly vaulted. Punctation dense, distances between punctures smaller than puncture diameter. Punctures setiferous, finer on disc, becoming coarser on margin and sides. Surface between punctures microreticulate with shallowly impressed polygonal meshes visible on either side of disc. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Elytra</emphasis>
|
||
: Widest before midlength, keels prominent. Punctation of elytra coarser than on head and pronotum. Punctation dense, distance between punctures smaller than puncture diameter. Punctures finer along suture, costae and lateral margin, coarser on disc. Surface between punctures microreticulate with well impressed polygonal meshes. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Legs</emphasis>
|
||
: Tibiae club-shaped, dorsally with long natatorial setae; pro- and mesotarsi broadened, dorsally with long natatorial setae, ventrally with adhesive setae; metatarsi with long natatorial setae on both sides. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Ventral side</emphasis>
|
||
: Prosternum sinuate on anterior margin, portion between procoxae narrowed. Prosternal process broad anteriorly, narrowed posteriorly, without transverse depression and without keel but slightly raised (Fig.
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Prosternal process of Peschetius. A P. bistroemi sp. nov. (paratype; Mukkada, Kerala) B P. nilssoni sp. nov. (paratype; Jejuri, Maharashtra). Scale bars: without scale." figureDoi="10.3897/asp.79.e68203.figure7" httpUri="https://binary.pensoft.net/fig/597467" pageId="0" pageNumber="535">7A</figureCitation>
|
||
). Mesoventrite bifurcated on anterior margin, posterior margin rounded. Metaventrite with coarse punctures, distance between punctures almost equal or larger than puncture diameter. Surface microreticulate with shallowly impressed polygonal meshes. Anterior border of metaventrite with two shallow but distinct depressions below mesocoxae. Metacoxal plate with coarse punctures. Distance between punctures smaller than puncture diameter. Reticulation similar to that of metaventrite. Metacoxal process raised. Abdomen with five ventrites (V1 to V5); V1 with 6-10 while V2 with 2-5 macropunctures arranged in two rows on either side. V2 to V5 covered with setigerous punctures; V3 to V5 with distinct lateral depression; depression on V3 less prominent; reticulation of V2 to V5 consists of polygonal meshes. Punctures on ventral surface setiferous. -
|
||
<emphasis bold="true" italics="true" pageId="0" pageNumber="535">Male genitalia</emphasis>
|
||
: Median lobe broad at base and narrowed towards apex, gently curved, and with a basal process (Fig. 6Aa). Parameres with long setae in apical half, apex rounded (Fig. 6Ab).
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<emphasis bold="true" pageId="0" pageNumber="535">FEMALE.</emphasis>
|
||
As male but antennomeres simple, not modified. Pro- and mesotarsi slender or less broadened. Spermatheca as in (Fig.
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Female spermatheca of Indian Peschetius. A P. bistroemi sp. nov. (paratype; Mukkada, Kerala) B P. nilssoni sp. nov. (a spermathecal spine; paratype; Ane, Maharashtra) C P. quadricostatus (Ane, Maharashtra) D P. toxophorus (a spermathecal spine; Satara, Maharashtra). Scale bars: 100 µm (A, B, C, D)." figureDoi="10.3897/asp.79.e68203.figure8" httpUri="https://binary.pensoft.net/fig/597468" pageId="0" pageNumber="535">8A</figureCitation>
|
||
)-spermathecal spine long and slender.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<emphasis bold="true" pageId="0" pageNumber="535">
|
||
Measurements (
|
||
<emphasis italics="true" pageId="0" pageNumber="535">N</emphasis>
|
||
=10).
|
||
</emphasis>
|
||
Body length 2.95-3.20 mm (holotype: 3.04 mm) and maximum width 1.65-1.85 mm (holotype: 1.72 mm). See also Supplementary file 4.
|
||
</paragraph>
|
||
<caption doi="10.3897/asp.79.e68203.figure5" httpUri="https://binary.pensoft.net/fig/597465" pageId="0" pageNumber="535" start="Figure 5" startId="F5">
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<emphasis bold="true" pageId="0" pageNumber="535">Figure 5.</emphasis>
|
||
Dorsal habitus of Indian
|
||
<taxonomicName authorityName="Guignot" authorityYear="1942" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">Peschetius</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
<emphasis bold="true" pageId="0" pageNumber="535">A</emphasis>
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (Holotype)
|
||
<emphasis bold="true" pageId="0" pageNumber="535">B</emphasis>
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. nilssoni" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="nilssoni">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. nilssoni</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (Paratype-
|
||
<emphasis bold="true" pageId="0" pageNumber="535">a</emphasis>
|
||
longitudinal spot,
|
||
<emphasis bold="true" pageId="0" pageNumber="535">b</emphasis>
|
||
transverse spot; Amboli, Maharashtra)
|
||
<emphasis bold="true" pageId="0" pageNumber="535">C</emphasis>
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. quadricostatus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="quadricostatus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. quadricostatus</emphasis>
|
||
</taxonomicName>
|
||
(Amboli, Maharashtra)
|
||
<emphasis bold="true" pageId="0" pageNumber="535">D</emphasis>
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. toxophorus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="toxophorus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. toxophorus</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<emphasis bold="true" pageId="0" pageNumber="535">a</emphasis>
|
||
uninterrupted transverse band; Kotagiri, Tamil Nadu). (Body length:
|
||
<emphasis bold="true" pageId="0" pageNumber="535">A</emphasis>
|
||
3.04 mm,
|
||
<emphasis bold="true" pageId="0" pageNumber="535">B</emphasis>
|
||
3.15 mm,
|
||
<emphasis bold="true" pageId="0" pageNumber="535">C</emphasis>
|
||
3.40 mm,
|
||
<emphasis bold="true" pageId="0" pageNumber="535">D</emphasis>
|
||
3.35 mm).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="variability">
|
||
<paragraph pageId="0" pageNumber="535">Variability.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">The specimens of type series are uniform with slight variation in elytral maculation.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="differential diagnosis">
|
||
<paragraph pageId="0" pageNumber="535">Differential diagnosis.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
<taxonomicName authorityName="Sheth & Ghate & Dahanukar & Hájek" authorityYear="2021" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">Peschetius bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is easily recognised from all known
|
||
<taxonomicName authorityName="Guignot" authorityYear="1942" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">Peschetius</emphasis>
|
||
</taxonomicName>
|
||
species based on distinctly broadened antennomeres IV and V in males-a character unique within the genus
|
||
<taxonomicName authorityName="Guignot" authorityYear="1942" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">Peschetius</emphasis>
|
||
</taxonomicName>
|
||
. With nearly a flat prosternal process (i.e. without transverse depression or longitudinal keel), the new species is similar and probably related to
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. taprobanicus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="taprobanicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. taprobanicus</emphasis>
|
||
</taxonomicName>
|
||
from Sri Lanka; however, it differs from the latter species in the shape of male genitalia: the apex of median lobe is not bent as in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. taprobanicus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="taprobanicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. taprobanicus</emphasis>
|
||
</taxonomicName>
|
||
and the curvature of the median lobe of
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is shallower. The parameres of
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. are abruptly narrowed and rounded at their apex while in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. taprobanicus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="taprobanicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. taprobanicus</emphasis>
|
||
</taxonomicName>
|
||
those are gradually narrowed. The setae of the parameres are present in the apical half in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. while in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. taprobanicus" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="taprobanicus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. taprobanicus</emphasis>
|
||
</taxonomicName>
|
||
these are restricted to the apex. Further, the spermathecal spine in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. bistroemi" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="bistroemi">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. bistroemi</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. is longer than the other three Indian species, and not curved like that in
|
||
<taxonomicName class="Insecta" genus="P." kingdom="Animalia" lsidName="P. nilssoni" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="species" species="nilssoni">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">P. nilssoni</emphasis>
|
||
</taxonomicName>
|
||
sp. nov.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="etymology">
|
||
<paragraph pageId="0" pageNumber="535">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">
|
||
The species is named in the honour of Prof. Olof Bistrӧm (Helsinki, Finland) for his significant contribution to the taxonomy of
|
||
<taxonomicName authorityName="Leach" authorityYear="1815" class="Insecta" family="Dytiscidae" kingdom="Animalia" lsidName="" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="family">Dytiscidae</taxonomicName>
|
||
, including the genus
|
||
<taxonomicName authorityName="Guignot" authorityYear="1942" class="Insecta" family="Dytiscidae" genus="Peschetius" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Peschetius" order="Coleoptera" pageId="0" pageNumber="535" phylum="Arthropoda" rank="genus">
|
||
<emphasis italics="true" pageId="0" pageNumber="535">Peschetius</emphasis>
|
||
</taxonomicName>
|
||
. The name is a noun in the genitive case.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="collection circumstances">
|
||
<paragraph pageId="0" pageNumber="535">Collection circumstances.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">The specimens were found in slow flowing streamlets with rock and mud as substratum, and decaying leaves.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="535" type="distribution">
|
||
<paragraph pageId="0" pageNumber="535">Distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="535">The species is so far known only from three close localities in Kottayam district, Kerala, southwestern India.</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</subSection>
|
||
</document> |