223 lines
26 KiB
XML
223 lines
26 KiB
XML
<document id="E1257087F1617135309847B346834336" ID-ISBN="2-85653-554-2" ID-ISSN="1243-4442" IM.materialsCitations_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1630436695752" checkinUser="felipe" docAuthor="Roy, Roger" docDate="2003" docId="039BA75C1A52FFCCD2950FE1FDC1F911" docLanguage="fr" docName="Acridiens.pdf" docOrigin="Mémoires du Muséum national d'Histoire naturelle 190" docStyle="DocumentStyle:18F5342D935943D6DB33581BB9A2E502.4:MemMusNatHistNatu.2010-.journal_article" docStyleId="18F5342D935943D6DB33581BB9A2E502" docStyleName="MemMusNatHistNatu.2010-.journal_article" docStyleVersion="4" docTitle="Spathosternum brevipenne Chopard 1958" docType="treatment" docVersion="2" lastPageNumber="324" masterDocId="FFA2DF241A5EFFC1D2590969FF93FF86" masterDocTitle="Les Acridiens du Nimba et de sa région" masterLastPageNumber="392" masterPageNumber="311" pageNumber="323" updateTime="1699271042454" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="0A053881A8640AEB10A7C90001E2BC47">Les Acridiens du Nimba et de sa région</mods:title>
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<mods:namePart id="CB883FF05931F6810619D6A9419BF945">Roy, Roger</mods:namePart>
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<mods:affiliation id="0EBDAD63A500186B32A0DE208CF683C5">John T. Huber</mods:affiliation>
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<mods:typeOfResource id="21ABF62F55F0BA0479A9080341376152">text</mods:typeOfResource>
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<mods:title id="9C19DAB770166810F2F9353A9BA6A26A">Mémoires du Muséum national d'Histoire naturelle</mods:title>
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<mods:part id="A8613BC5B98DCFADA9B9466B77724EF7">
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<mods:date id="EB68B1F1FB89CE58763543DA19A99BBD">2003</mods:date>
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<mods:detail id="B46A55CF3223399630AB2EB43242E1F5" type="volume">
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<mods:number id="3947094CC517BFD18590B50E1650038E">190</mods:number>
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<mods:identifier id="94D31A1B8F4CD65D78DF6F8D4F6BCBF6" type="ISBN">2-85653-554-2</mods:identifier>
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<mods:identifier id="0390ACDEABD6BD12283E10DD9235751C" type="ISSN">1243-4442</mods:identifier>
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<subSubSection id="C32845C11A52FFCDD2950FE1FF7AF94A" pageId="12" pageNumber="323" type="nomenclature">
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<paragraph id="8B8D164A1A52FFCDD2950FE1FD21F927" blockId="12.[204,690,1672,1697]" box="[204,690,1672,1697]" pageId="12" pageNumber="323">
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<heading id="D0C5A1261A52FFCDD2950FE1FD21F927" box="[204,690,1672,1697]" fontSize="10" level="2" pageId="12" pageNumber="323" reason="2">
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<taxonomicName id="4C326DC91A52FFCDD2950FE1FD21F927" ID-CoL="4YGNG" authority="Chopard, 1958" authorityName="Chopard" authorityYear="1958" box="[204,690,1672,1697]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="brevipenne">
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<emphasis id="B946CA581A52FFCDD2950FE1FD87F919" bold="true" box="[204,532,1672,1695]" italics="true" pageId="12" pageNumber="323">Spathosternum brevipenne</emphasis>
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<bibRefCitation id="EFA36BBB1A52FFCDD0440FE3FD21F927" author="CHOPARD L." box="[541,690,1674,1697]" pageId="12" pageNumber="323" pagination="127 - 153" refId="ref40676" refString="CHOPARD L. 1958. - Acridiens, in La Reserve naturelle integrale du Mont Nimba, IV. Memoires de l'Institut francais d'Afrique noire 53: 127 - 153." type="journal article" year="1958">Chopard,1958</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="8B8D164A1A52FFCDD2F40FDCFF7AF94A" blockId="12.[173,233,1717,1740]" box="[173,233,1717,1740]" pageId="12" pageNumber="323">Fig. 6</paragraph>
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</subSubSection>
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<subSubSection id="C32845C11A52FFCCD2F40F90FDEAFCE0" lastPageId="13" lastPageNumber="324" pageId="12" pageNumber="323" type="reference_group">
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<paragraph id="8B8D164A1A52FFCDD2F40F90FAADF88B" blockId="12.[173,1342,1785,1861]" box="[173,1342,1785,1805]" pageId="12" pageNumber="323">
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<treatmentCitation id="0A93305B1A52FFCDD2F40F90FDC8F88B" author="CHOPARD L." box="[173,603,1785,1805]" page="131" pageId="12" pageNumber="323" year="1958">
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<taxonomicName id="4C326DC91A52FFCDD2F40F90FDC8F88B" ID-CoL="4YGNG" authority="Chopard, 1958: 131" authorityName="Chopard" authorityPageNumber="131" authorityYear="1958" box="[173,603,1785,1805]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="brevipenne">
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<emphasis id="B946CA581A52FFCDD2F40F90FE03F88B" box="[173,400,1785,1805]" italics="true" pageId="12" pageNumber="323">Spathosternum brevipenne</emphasis>
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<materialsCitation id="3B5A1C171A52FFCDD3CE0F90FDC8F88B" box="[407,603,1785,1805]" collectionCode="MNHN" location="Nimba" pageId="12" pageNumber="323" specimenCount="2" stateProvince="Nimba" typeStatus="holotype">
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<bibRefCitation id="EFA36BBB1A52FFCDD3CE0F90FDC8F88B" author="CHOPARD L." box="[407,603,1785,1805]" pageId="12" pageNumber="323" pagination="127 - 153" refId="ref40676" refString="CHOPARD L. 1958. - Acridiens, in La Reserve naturelle integrale du Mont Nimba, IV. Memoires de l'Institut francais d'Afrique noire 53: 127 - 153." type="journal article" year="1958">Chopard, 1958: 131</bibRefCitation>
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</materialsCitation>
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</taxonomicName>
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||
</treatmentCitation>
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||
.
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<typeStatus id="5489A8E81A52FFCDD03D0F90FD2BF88B" box="[612,696,1785,1805]" pageId="12" pageNumber="323" type="holotype">Holotype</typeStatus>
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mâle et
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<typeStatus id="5489A8E81A52FFCDD1510F90FCC3F88B" box="[776,848,1785,1805]" pageId="12" pageNumber="323" type="allotype">allotype</typeStatus>
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femelle de la prairie d’altitude du
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<collectingRegion id="49F6D8A81A52FFCDD6D40F90FB5EF88B" box="[1165,1229,1785,1805]" country="Liberia" name="Nimba" pageId="12" pageNumber="323">Nimba</collectingRegion>
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, au MNHN.
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</treatmentCitationGroup>
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</paragraph>
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<paragraph id="8B8D164A1A52FFCDD2F40E7CFC56F8C3" blockId="12.[173,1342,1785,1861]" pageId="12" pageNumber="323">
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<treatmentCitationGroup id="AB2231641A52FFCDD2F40E7CFC56F8C3" pageId="12" pageNumber="323">
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<emphasis id="B946CA581A52FFCDD2F40E7CFF2BF8AF" box="[173,184,1813,1833]" italics="true" pageId="12" pageNumber="323">=</emphasis>
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<treatmentCitation id="0A93305B1A52FFCDD2E60E7CFDACF8AF" author="POPOV G. B." box="[191,575,1813,1833]" page="45" pageId="12" pageNumber="323" year="1980">
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<taxonomicName id="4C326DC91A52FFCDD2E60E7CFDACF8AF" ID-CoL="6YWSN" authority="Popov, 1980: 45" authorityName="Popov" authorityPageNumber="45" authorityYear="1980" box="[191,575,1813,1833]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="12" pageNumber="323" phylum="Arthropoda" rank="species" species="beninense">
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<emphasis id="B946CA581A52FFCDD2E60E7CFE04F8AF" box="[191,407,1813,1833]" italics="true" pageId="12" pageNumber="323">Spathosternum beninense</emphasis>
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<bibRefCitation id="EFA36BBB1A52FFCDD3C70E7CFDACF8AF" author="POPOV G. B." box="[414,575,1813,1833]" pageId="12" pageNumber="323" pagination="35 - 49" refId="ref42304" refString="POPOV G. B. 1980. - Jagoa, a new genus for Amphiprosopia gwynni Uvarov 1941 (Eyprepocnemidinae), and a new species Spathosternum beninense (Hemiacridinae). Acrida 9: 35 - 49." type="journal article" year="1980">Popov, 1980: 45</bibRefCitation>
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||
</taxonomicName>
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||
</treatmentCitation>
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||
.
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||
<typeStatus id="5489A8E81A52FFCDD0110E7CFD0FF8AF" box="[584,668,1813,1833]" pageId="12" pageNumber="323" type="holotype">Holotype</typeStatus>
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mâle du
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<collectingCountry id="F32556DA1A52FFCDD0AD0E7CFCB8F8AF" box="[756,811,1813,1833]" name="Benin" pageId="12" pageNumber="323">Bénin</collectingCountry>
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, au NHML; synonymie établie par
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<treatmentCitation id="0A93305B1A52FFCDD6280E7CFAA7F8AF" author="GRUNSHAW J. P." box="[1137,1332,1813,1833]" page="7" pageId="12" pageNumber="323" year="1988">
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<bibRefCitation id="EFA36BBB1A52FFCDD6280E7CFAA7F8AF" author="GRUNSHAW J. P." box="[1137,1332,1813,1833]" pageId="12" pageNumber="323" pagination="1 - 21" refId="ref40966" refString="GRUNSHAW J. P. 1988. - A taxonomic revision of the grasshopper genus Spathosternum (Orthoptera, Acrididae). Journal of the East Africa natural History Society and national Museum 78 (191): 1 - 21." type="journal article" year="1988">Grunshaw (1988: 7)</bibRefCitation>
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</treatmentCitation>
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. Iconographie:
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<treatmentCitation id="0A93305B1A52FFCDD3610E58FE6AF8C3" author="CHOPARD L." box="[312,505,1841,1861]" page="131" pageId="12" pageNumber="323" year="1958">
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<bibRefCitation id="EFA36BBB1A52FFCDD3610E58FE6AF8C3" author="CHOPARD L." box="[312,505,1841,1861]" pageId="12" pageNumber="323" pagination="127 - 153" refId="ref40676" refString="CHOPARD L. 1958. - Acridiens, in La Reserve naturelle integrale du Mont Nimba, IV. Memoires de l'Institut francais d'Afrique noire 53: 127 - 153." type="journal article" year="1958">Chopard, 1958: 131</bibRefCitation>
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</treatmentCitation>
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;
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||
<treatmentCitation id="0A93305B1A52FFCDD0550E58FD3DF8C3" author="MESTRE J." box="[524,686,1841,1861]" page="71" pageId="12" pageNumber="323" year="1988">
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<bibRefCitation id="EFA36BBB1A52FFCDD0550E58FD3DF8C3" author="MESTRE J." box="[524,686,1841,1861]" pageId="12" pageNumber="323" refId="ref42085" refString="MESTRE J. 1988. - Les Acridiens des formations herbeuses d'Afrique de l'Ouest. Ministere de la Cooperation, Paris; CIRAD-GERDAT-PRIFAS, Montpellier, 332 p." type="book" year="1988">Mestre, 1988: 71</bibRefCitation>
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||
</treatmentCitation>
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||
;
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||
<treatmentCitation id="0A93305B1A52FFCDD0990E58FC52F8C3" author="LAMOTTE M. & ROY R." box="[704,961,1841,1861]" page="121" pageId="12" pageNumber="323" year="1998">
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||
<bibRefCitation id="EFA36BBB1A52FFCDD0990E58FC52F8C3" author="LAMOTTE M. & ROY R." box="[704,961,1841,1861]" pageId="12" pageNumber="323" pagination="81 - 132" refId="ref41949" refString="LAMOTTE M. & ROY R. 1998. - La faune et le peuplement animal du Nimba, in LAMOTTE M. (ed.), Le mont Nimba, reserve de biosphere et site du patrimoine mondial (Guinee et Cote d'Ivoire): initiation a la geomorphologie et a la biogeographie. UNESCO Publishing: 81 - 132." type="book chapter" year="1998">Lamotte & Roy, 1998: 121</bibRefCitation>
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||
</treatmentCitation>
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||
.
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||
</treatmentCitationGroup>
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||
</paragraph>
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||
<paragraph id="8B8D164A1A53FFCCD2AB0844FEA8FE69" blockId="13.[211,1445,301,870]" pageId="13" pageNumber="324">
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||
<taxonomicName id="4C326DC91A53FFCCD2AB0844FE7CFEC2" ID-CoL="4YGNG" authorityName="Chopard" authorityYear="1958" box="[242,495,301,324]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="brevipenne">
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||
<emphasis id="B946CA581A53FFCCD2AB0844FE7CFEC2" box="[242,495,301,324]" italics="true" pageId="13" pageNumber="324">Spathosternum brevipenne</emphasis>
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</taxonomicName>
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n’a d’abord été trouvé au Nimba qu’en prairie au-dessus de
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<quantity id="4CCABBAF1A53FFCCD6150844FB33FEC2" box="[1100,1184,301,324]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="324" unit="m" value="1000.0">1000 m</quantity>
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. On a cru longtemps qu’il s’agissait d’une espèce endémique à élytres toujours courts, prenant le relais de
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<taxonomicName id="4C326DC91A53FFCCD6530826FB1EFEE0" ID-CoL="4YGNS" authorityName="Karsch" authorityYear="1893" box="[1034,1165,335,358]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="pygmaeum">
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<emphasis id="B946CA581A53FFCCD6530826FB1EFEE0" box="[1034,1165,335,358]" italics="true" pageId="13" pageNumber="324">S. pygmaeum</emphasis>
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</taxonomicName>
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aux altitudes élevées, mais
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<bibRefCitation id="EFA36BBB1A53FFCCD28A0818FE3EFE0E" author="GRUNSHAW J. P." box="[211,429,369,392]" pageId="13" pageNumber="324" pagination="1 - 21" refId="ref40966" refString="GRUNSHAW J. P. 1988. - A taxonomic revision of the grasshopper genus Spathosternum (Orthoptera, Acrididae). Journal of the East Africa natural History Society and national Museum 78 (191): 1 - 21." type="journal article" year="1988">Grunshaw (1988: 7)</bibRefCitation>
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a montré qu’il s’agissait de la même espèce que
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<taxonomicName id="4C326DC91A53FFCCD1FB0818FB8BFE0E" ID-CoL="6YWSN" authorityName="Popov" authorityYear="1980" box="[930,1048,369,392]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="beninense">
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||
<emphasis id="B946CA581A53FFCCD1FB0818FB8BFE0E" box="[930,1048,369,392]" italics="true" pageId="13" pageNumber="324">S. beninense</emphasis>
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</taxonomicName>
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à élytres longs, décrit des environs de Parakou au
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<collectingCountry id="F32556DA1A53FFCCD31508FAFE14FE2C" box="[332,391,403,426]" name="Benin" pageId="13" pageNumber="324">Bénin</collectingCountry>
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||
sur
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<specimenCount id="9D34DDC31A53FFCCD3ED08FAFD91FE2C" box="[436,514,403,426]" pageId="13" pageNumber="324" type="male">9 mâles</specimenCount>
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et 7 femelles, et que cette espèce était également présente au
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<collectingCountry id="F32556DA1A53FFCCD62D08FAFB73FE2C" box="[1140,1248,403,426]" name="Cameroon" pageId="13" pageNumber="324">Cameroun</collectingCountry>
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||
(
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<specimenCount id="9D34DDC31A53FFCCD6A808FAFAA7FE2C" box="[1265,1332,403,426]" pageId="13" pageNumber="324" type="male">1 mâle</specimenCount>
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de Tibati).
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<bibRefCitation id="EFA36BBB1A53FFCCD28A08DFFE69FE4B" author="LE GALL P. & MESTRE J." box="[211,506,438,461]" pageId="13" pageNumber="324" pagination="41 - 64" refId="ref42048" refString="LE GALL P. & MESTRE J. 1986. - Les Acridiens (Insecta Orthoptera) de la region de Lamto. Annales de l'Universite d'Abidjan (serie E) 18: 41 - 64." type="journal article" year="1986">Le Gall & Mestre (1986: 47)</bibRefCitation>
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||
citent également
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<taxonomicName id="4C326DC91A53FFCCD0F508DFFC1AFE4B" ID-CoL="6YWSN" authority="de Lamto" authorityName="de Lamto" box="[684,905,438,461]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="beninense">
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||
<emphasis id="B946CA581A53FFCCD0F508DFFCB2FE4B" box="[684,801,438,461]" italics="true" pageId="13" pageNumber="324">S. beninense</emphasis>
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||
de Lamto
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||
</taxonomicName>
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||
, où il est présent en compagnie de
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||
<taxonomicName id="4C326DC91A53FFCCD6B208DFFAFFFE4B" ID-CoL="4YGNS" authorityName="Karsch" authorityYear="1893" box="[1259,1388,438,461]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="pygmaeum">
|
||
<emphasis id="B946CA581A53FFCCD6B208DFFAFFFE4B" box="[1259,1388,438,461]" italics="true" pageId="13" pageNumber="324">S. pygmaeum</emphasis>
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||
</taxonomicName>
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, plus abondant.
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</paragraph>
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<paragraph id="8B8D164A1A53FFCCD2AB0893FDEAFCE0" blockId="13.[211,1445,301,870]" pageId="13" pageNumber="324">
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Au Nimba la longueur des élytres varie ordinairement de
|
||
<quantity id="4CCABBAF1A53FFCCD1120893FC4AFD97" box="[843,985,506,529]" metricMagnitude="-3" metricUnit="m" metricValue="4.3" metricValueMax="4.9" metricValueMin="3.7" pageId="13" pageNumber="324" unit="mm" value="4.3" valueMax="4.9" valueMin="3.7">3,7 à 4,9 mm</quantity>
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||
pour les mâles et de
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||
<quantity id="4CCABBAF1A53FFCCD6E30893FAD4FD97" box="[1210,1351,506,529]" metricMagnitude="-3" metricUnit="m" metricValue="5.9" metricValueMax="6.6" metricValueMin="5.2" pageId="13" pageNumber="324" unit="mm" value="5.9" valueMax="6.6" valueMin="5.2">5,2 à 6,6 mm</quantity>
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||
pour les femelles, avec toutefois la mention par
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<bibRefCitation id="EFA36BBB1A53FFCCD03D0B75FCAEFDB5" author="GRUNSHAW J. P." box="[612,829,540,563]" pageId="13" pageNumber="324" pagination="1 - 21" refId="ref40966" refString="GRUNSHAW J. P. 1988. - A taxonomic revision of the grasshopper genus Spathosternum (Orthoptera, Acrididae). Journal of the East Africa natural History Society and national Museum 78 (191): 1 - 21." type="journal article" year="1988">Grunshaw (1988: 8)</bibRefCitation>
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||
d’un mâle ‘‘long-winged variant’’ précédemment identifié
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||
<taxonomicName id="4C326DC91A53FFCCD7CB0B75FEAFFDD3" ID-CoL="4YGNS" authorityName="Karsch" authorityYear="1893" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="pygmaeum">
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||
<emphasis id="B946CA581A53FFCCD7CB0B75FEAFFDD3" italics="true" pageId="13" pageNumber="324">S. pygmaeum</emphasis>
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||
</taxonomicName>
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par Dirsh, mâle que j’ai pu réexaminer, en provenance de la savane à
|
||
<quantity id="4CCABBAF1A53FFCCD67C0B57FBF4FDD3" box="[1061,1127,574,597]" metricMagnitude="2" metricUnit="m" metricValue="9.0" pageId="13" pageNumber="324" unit="m" value="900.0">900 m</quantity>
|
||
sur la piste de Ziéla au Pierré Richaud (II-VI.1942, M.Lamotte), dont les élytres, longs de 12,0 mm, n’atteignent pas tout à fait l’apex de l’abdomen. Au moins un autre mâle macroptère a été recueilli au Nimba (mont Leclerc,
|
||
<quantity id="4CCABBAF1A53FFCCD1B30BEBFBA3FD1F" box="[1002,1072,642,665]" metricMagnitude="2" metricUnit="m" metricValue="6.0" pageId="13" pageNumber="324" unit="m" value="600.0">600 m</quantity>
|
||
,
|
||
<date id="FF8C308A1A53FFCCD6670BEBFB25FD1F" box="[1086,1206,642,665]" pageId="13" pageNumber="324" value="1961-11-21">21.XI.1961</date>
|
||
, P. Aguesse), retrouvé récemment parmi des récoltes non encore triées par groupes; la longueur de ses élytres, qui n’atteignent pas non plus l’apex de l’abdomen, est de
|
||
<quantity id="4CCABBAF1A53FFCCD3F00BAFFD98FD5B" box="[425,523,710,733]" metricMagnitude="-2" metricUnit="m" metricValue="1.1199999999999999" pageId="13" pageNumber="324" unit="mm" value="11.2">11,2 mm</quantity>
|
||
. Par ailleurs j’ai pu également examiner une femelle (prairie
|
||
<quantity id="4CCABBAF1A53FFCCD6340BAFFB53FD5B" box="[1133,1216,710,733]" metricMagnitude="3" metricUnit="m" metricValue="1.45" pageId="13" pageNumber="324" unit="m" value="1450.0">1450 m</quantity>
|
||
,
|
||
<date id="FF8C308A1A53FFCCD6930BAFFAA2FD5B" box="[1226,1329,710,733]" pageId="13" pageNumber="324" value="1967-01-10">10.I.1967</date>
|
||
, C. Girard) à élytres particulièrement courts et inégaux (
|
||
<quantity id="4CCABBAF1A53FFCCD0C40B80FD7CFC86" box="[669,751,745,768]" metricMagnitude="-3" metricUnit="m" metricValue="4.6" pageId="13" pageNumber="324" unit="mm" value="4.6">4,6 mm</quantity>
|
||
à gauche,
|
||
<quantity id="4CCABBAF1A53FFCCD1070B80FC3DFC86" box="[862,942,745,768]" metricMagnitude="-3" metricUnit="m" metricValue="4.2" pageId="13" pageNumber="324" unit="mm" value="4.2">4,2 mm</quantity>
|
||
à droite), s’éloignant donc nettement des limites ordinaires de variation. Pour le
|
||
<collectingCountry id="F32556DA1A53FFCCD0780A62FDCCFCA4" box="[545,607,779,802]" name="Benin" pageId="13" pageNumber="324">Bénin</collectingCountry>
|
||
, Popov indique des élytres longs de
|
||
<quantity id="4CCABBAF1A53FFCCD1B80A62FBEEFCA4" box="[993,1149,779,802]" metricMagnitude="-3" metricUnit="m" metricValue="9.8" metricValueMax="10.3" metricValueMin="9.3" pageId="13" pageNumber="324" unit="mm" value="9.8" valueMax="10.3" valueMin="9.3">9,3 à 10,3 mm</quantity>
|
||
pour les mâles et de
|
||
<quantity id="4CCABBAF1A53FFCCD73B0A62FEA2FCC2" metricMagnitude="-2" metricUnit="m" metricValue="1.385" metricValueMax="1.41" metricValueMin="1.3599999999999999" pageId="13" pageNumber="324" unit="mm" value="13.85" valueMax="14.1" valueMin="13.6">13,6 à 14,1 mm</quantity>
|
||
pour les femelles. Quant à l’unique mâle cité en provenance du
|
||
<collectingCountry id="F32556DA1A53FFCCD1910A44FBA4FCC2" box="[968,1079,813,836]" name="Cameroon" pageId="13" pageNumber="324">Cameroun</collectingCountry>
|
||
, Grunshaw indique seulement qu’il s’agit d’un ‘‘further long-winged variant’’.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32845C11A53FFCCD3E00DA6FDC1F911" pageId="13" pageNumber="324" type="description">
|
||
<paragraph id="8B8D164A1A53FFCCD3E00DA6FB2AFB7D" blockId="13.[441,1217,1231,1275]" pageId="13" pageNumber="324">
|
||
<emphasis id="B946CA581A53FFCCD3E00DA6FE7CFB66" bold="true" box="[441,495,1231,1248]" pageId="13" pageNumber="324">FIG. 6.</emphasis>
|
||
<taxonomicName id="4C326DC91A53FFCCD3AD0DA6FC84FB66" authority="Chopard" authorityName="Chopard" authorityYear="1958" box="[500,791,1231,1248]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="brevipenne">
|
||
<emphasis id="B946CA581A53FFCCD3AD0DA6FD5AFB66" box="[500,713,1231,1248]" italics="true" pageId="13" pageNumber="324">Spathosternum brevipenne</emphasis>
|
||
Chopard
|
||
</taxonomicName>
|
||
, femelle, longueur
|
||
<quantity id="4CCABBAF1A53FFCCD1F60DA6FC7BFB66" box="[943,1000,1231,1248]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="13" pageNumber="324" unit="mm" value="24.0">24 mm</quantity>
|
||
; dessin de Y. Schach-Duc.
|
||
<emphasis id="B946CA581A53FFCCD3990D83FE65FB7D" bold="true" box="[448,502,1258,1275]" italics="true" pageId="13" pageNumber="324">FIG. 6.</emphasis>
|
||
<taxonomicName id="4C326DC91A53FFCCD3A50D83FC8FFB7D" authority="Chopard" authorityName="Chopard" authorityYear="1958" box="[508,796,1258,1275]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="brevipenne">
|
||
Spathosternum brevipenne
|
||
<emphasis id="B946CA581A53FFCCD08F0D83FC8FFB7D" box="[726,796,1258,1275]" italics="true" pageId="13" pageNumber="324">Chopard</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B946CA581A53FFCCD1450D83FB2AFB7D" box="[796,1209,1258,1275]" italics="true" pageId="13" pageNumber="324">
|
||
, female, length
|
||
<quantity id="4CCABBAF1A53FFCCD1C40D83FC46FB7D" box="[925,981,1258,1275]" metricMagnitude="-2" metricUnit="m" metricValue="2.4" pageId="13" pageNumber="324" unit="mm" value="24.0">24 mm</quantity>
|
||
; drawing by Y. Schach-Duc.
|
||
</emphasis>
|
||
</paragraph>
|
||
<paragraph id="8B8D164A1A53FFCCD2AB0C24FDF5FA6A" blockId="13.[211,1444,1357,1687]" pageId="13" pageNumber="324">
|
||
Le cycle de vie de cette espèce au
|
||
<collectingRegion id="49F6D8A81A53FFCCD00E0C24FD0EFAE2" box="[599,669,1357,1380]" country="Liberia" name="Nimba" pageId="13" pageNumber="324">Nimba</collectingRegion>
|
||
est bien tranché, contrairement à celui de l’espèce précédente: les adultes apparaissent en octobre et restent présents jusqu’au début janvier: des très jeunes (
|
||
<quantity id="4CCABBAF1A53FFCCD6770C06FB01FA00" box="[1070,1170,1391,1414]" metricMagnitude="-3" metricUnit="m" metricValue="6.0" metricValueMax="7.0" metricValueMin="5.0" pageId="13" pageNumber="324" unit="mm" value="6.0" valueMax="7.0" valueMin="5.0">5 à 7 mm</quantity>
|
||
) ont été recueillis en avril, ceux du dernier stade apparaissent fin juillet alors que l’on trouve encore début août ceux de l’antépénultième stade, et fin août ceux de l’avant-dernier; quant à ceux du dernier stade, ils peuvent persister jusque début novembre alors que la majorité des spécimens est déjà adulte.
|
||
</paragraph>
|
||
<paragraph id="8B8D164A1A53FFCCD2A80C9EFDC1F911" blockId="13.[211,1444,1357,1687]" pageId="13" pageNumber="324">
|
||
On trouve ordinairement
|
||
<taxonomicName id="4C326DC91A53FFCCD3A50C9EFDEEF988" authorityName="Chopard" authorityYear="1958" box="[508,637,1527,1550]" class="Insecta" family="Acrididae" genus="Spathosternum" kingdom="Animalia" order="Orthoptera" pageId="13" pageNumber="324" phylum="Arthropoda" rank="species" species="brevipenne">
|
||
<emphasis id="B946CA581A53FFCCD3A50C9EFDEEF988" box="[508,637,1527,1550]" italics="true" pageId="13" pageNumber="324">S. brevipenne</emphasis>
|
||
</taxonomicName>
|
||
dès
|
||
<quantity id="4CCABBAF1A53FFCCD0F70C9EFC92F988" box="[686,769,1527,1550]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="324" unit="m" value="1000.0">1000 m</quantity>
|
||
, mais ce n’est qu’à partir de
|
||
<quantity id="4CCABBAF1A53FFCCD67E0C9EFBE4F988" box="[1063,1143,1527,1550]" metricMagnitude="3" metricUnit="m" metricValue="1.2" pageId="13" pageNumber="324" unit="m" value="1200.0">1200 m</quantity>
|
||
que l’espèce est relativement abondante, avec une densité de l’ordre de 20 à
|
||
<specimenCount id="9D34DDC31A53FFCCD0EA0F73FC8EF9B7" box="[691,797,1562,1585]" pageId="13" pageNumber="324" type="adult">50 adultes</specimenCount>
|
||
par
|
||
<quantity id="4CCABBAF1A53FFCCD1120F73FC1EF9B7" box="[843,909,1562,1585]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="324" unit="m" value="100.0">100 m</quantity>
|
||
<superScript id="7C47BB021A53FFCCD1D70F7CFC0BF9A5" attach="left" box="[910,920,1557,1571]" fontSize="6" pageId="13" pageNumber="324">2</superScript>
|
||
à la saison la plus favorable (novembre-décembre), et ce jusqu’au sommet du mont Richard-Molard où l’abondance est peut-être même supérieure (effet de ‘‘hilltopping’’?). Toutefois il semble que le versant sud-est de la montagne n’abrite que des densités nettement moindres, seulement de l’ordre de 5 à
|
||
<specimenCount id="9D34DDC31A53FFCCD33D0FE9FE5DF911" box="[356,462,1664,1687]" pageId="13" pageNumber="324" type="adult">10 adultes</specimenCount>
|
||
par
|
||
<quantity id="4CCABBAF1A53FFCCD3A70FE9FDD2F911" box="[510,577,1664,1687]" metricMagnitude="2" metricUnit="m" metricValue="1.0" pageId="13" pageNumber="324" unit="m" value="100.0">100 m</quantity>
|
||
<superScript id="7C47BB021A53FFCCD01B0F12FDDFF90F" attach="right" box="[578,588,1659,1673]" fontSize="6" pageId="13" pageNumber="324">2</superScript>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |