<documentid="44E04B31EE44B81DFB3F825A71A72504"ID-CLB-Dataset="44104"ID-DOI="10.5281/zenodo.211551"ID-GBIF-Dataset="1259ff0f-cb7c-4693-b809-e6a61e2c478c"ID-ISSN="1175-5326"ID-Zenodo-Dep="211551"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.taxonomicNames_approvedBy="valdenar"checkinTime="1460557931563"checkinUser="plazi"docAuthor="Chani-Posse, Mariana & Couturier, Guy"docDate="2012"docId="601CA77AFF95FF98BFD70B1B7BA5FE8F"docLanguage="en"docName="zt03568p088.pdf"docOrigin="Zootaxa 3568"docStyle="DocumentStyle:890A69B780ED73D6DB8551B71C8AC79E.4:Zootaxa.2009-2012.journal_article"docStyleId="890A69B780ED73D6DB8551B71C8AC79E"docStyleName="Zootaxa.2009-2012.journal_article"docStyleVersion="4"docTitle="Delgadobius amazonensis Chani-Posse & Couturier 2012, new species"docType="treatment"docVersion="12"lastPageNumber="87"masterDocId="9C25DF02FF96FF9FBF4008227815FFB0"masterDocTitle="Delgadobius amazonensis — a new genus and species of the subtribe Philonthina from Amazonia (Coleoptera: Staphylinidae: Staphylininae)"masterLastPageNumber="88"masterPageNumber="81"pageNumber="84"updateTime="1729190770081"updateUser="ExternalLinkService">
<mods:titleid="ADC2F8968B130515B508E8F23070FD15">Delgadobius amazonensis — a new genus and species of the subtribe Philonthina from Amazonia (Coleoptera: Staphylinidae: Staphylininae)</mods:title>
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Head of rounded-quadrangular shape, slightly broadened at distal third and with obtuse hind angles, as long as to slightly wider than long (HW/HL= 1.00–1.11) (
), slightly narrower than pronotum at widest point (HW/ PW= 0.88–0.91); postmandibular ridge present; epicranium with medial interocular punctures separated by a distance less than 1.5 times as large as distance separating medial punctures from lateral punctures. Eyes distinctly longer than temples seen from above (EL/TL= 1.75) (
). Antennae with segment 1 shorter than segments 2 and 3 combined, segment 3 slightly longer than segment 2, segments 4 and 5 longer than wide, segment 6 about as long as wide, segments 7 to 10 transverse, last segment minutely emarginate. Mandibles (right and left) with a single tooth (
). Maxillary palpus with last segment gradually narrowed to subacute apex from apical half, about 1.5 times as long as preceding segment and not appreciably narrower (
), slightly narrowed anteriad; dorsal surface of pronotum with two rows of punctures, each with four punctures. Legs with front and middle tarsi as long as front and middle tibiae, hind tarsi shorter than hind tibiae; front tarsus with first segment shorter than segments 2 and 3 combined (
); first segment of hind tarsus longer than last segment (S1/S5= 1.3–1.5).
</paragraph>
<paragraphid="E80A166CFF95FF9CBF870E0E7C08F9F4"blockId="3.[151,1437,931,2036]"box="[199,1053,1580,1604]"pageId="3"pageNumber="84">Elytra at sides distinctly longer than pronotum at midline (EtL/PL=1.2–1.3).</paragraph>
<paragraphid="E80A166CFF95FF9CBF870E727C1FF93C"blockId="3.[151,1437,931,2036]"pageId="3"pageNumber="84">Abdomen. Terga 3 to 5 with posterior transverse basal carina, acutely extended medially on terga 3 and 4, incomplete on tergum 5; terga 6 to 8 with only anterior transverse basal carina.</paragraph>
Male genitalia. Sternum 7 slightly emarginate medio-apically; sternum 8 deeply emarginate medio-apically; tergum 10 subangulate at apex, with several apical setae and two to four long and strong subapical setae (
). Aedeagus with parameres fused as one short sclerite only attached to median lobe at base, without sensory peg setae; median lobe elongate, with apical part distinctly narrowed into a thin rod-like apex; internal sac with sclerotized structures (
Female genitalia. Sterna 7 and 8 straight to slightly sinuate apically. Genital segment with styli of tergum 9 similar to those of male; tergum 10 similar to that of male; gonocoxites strongly developed, second gonocoxites rather short, each with two to five strong setae along its outer margin, with a minute stylus (
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), 1 3 1 Ƥ (
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), 1 3, (
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<taxonomicNameid="2FB56DEFFF92FF9BBD4C0ADE7B2DFCA4"authorityName="Chani-Posse & Couturier"authorityYear="2012"box="[524,824,764,788]"class="Insecta"family="Staphylinidae"genus="Delgadobius"kingdom="Animalia"order="Coleoptera"pageId="4"pageNumber="85"phylum="Arthropoda"rank="species"species="amazonensis">
<figureCitationid="708E0AE9FF92FF9BBB550BF67C8BFC5C"box="[1045,1182,980,1004]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Figs. 14–21</figureCitation>
<collectingCountryid="90A256FCFF92FF9BBC100C3E7BA5FB84"box="[848,944,1052,1076]"name="Trinidad and Tobago"pageId="4"pageNumber="85">Trinidad</collectingCountry>
<bibRefCitationid="8C246B9DFF92FF9BBB100C3E7D43FB84"author="Henderson"box="[1104,1366,1052,1076]"pageId="4"pageNumber="85"refString="Henderson, A. H., Galeano, G. & Bernal, R. (1995) Field guide to the palms of the Americas. Princeton University Press, Princeton, N. J."type="book"year="1995">
). This palm species plays a major role in the economic, social and ecological systems of the Peruvian Amazonia (
<bibRefCitationid="8C246B9DFF92FF9BBA7A0C1D790FFBCC"author="Vasquez"pageId="4"pageNumber="85"refString="Vasquez, J., Delgado, C., Couturier, G., Mejia, K., Freitas, L., Del Castillo, D. (2008) Pest insects of the palm tree Mauritia flexuosa L. f., dwarf form, in Peruvian Amazonia. Fruits, 63 (4), 227 - 238."type="journal article"year="2008">
<bibRefCitationid="8C246B9DFF92FF9BBE680C467A6BFBCC"author="Trujillo-Gonzalez"box="[296,638,1124,1148]"pageId="4"pageNumber="85"refString="Trujillo-Gonzalez, J. M., Torres-Mora, M. A. & Santana-Castaneda, E. (2011) La palma de Moriche (Mauritia flexuosa L. f) un ecosistema estrategico. Orinoquia, 15 (1), 62 - 70"type="journal article"year="2011">
). Because of its importance and in order to avoid its overexploitation, this plant is in process of domestication to be cultivated as a dwarf form (
<bibRefCitationid="8C246B9DFF92FF9BBCB80CA57CFBFB2F"author="Vasquez"box="[1016,1262,1159,1184]"pageId="4"pageNumber="85"refString="Vasquez, J., Delgado, C., Couturier, G., Mejia, K., Freitas, L., Del Castillo, D. (2008) Pest insects of the palm tree Mauritia flexuosa L. f., dwarf form, in Peruvian Amazonia. Fruits, 63 (4), 227 - 238."type="journal article"year="2008">
<figureCitationid="708E0AE9FF92FF9BBC1C0CD67BFDFABC"box="[860,1000,1268,1292]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Figs. 14, 15</figureCitation>
<taxonomicNameid="2FB56DEFFF92FF9BBBD90D3A7D3DFA80"authorityName="Chani-Posse & Couturier"authorityYear="2012"box="[1177,1320,1304,1328]"class="Insecta"family="Staphylinidae"genus="Delgadobius"kingdom="Animalia"order="Coleoptera"pageId="4"pageNumber="81"phylum="Arthropoda"rank="genus"status="gen. nov.">
<figureCitationid="708E0AE9FF92FF9BBECF0D427A0FFAC8"box="[399,538,1376,1400]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Figs. 17–19</figureCitation>
<bibRefCitationid="8C246B9DFF92FF9BBE130DD279CBF9B8"author="Storti"box="[339,478,1520,1544]"pageId="4"pageNumber="85"refString="Storti E. (1993) Biologia floral de Mauritia flexuosa L. f. na Regiao de Manaus, AM, Brasil. Acta Amazonica, 23 (4), 371 - 381."type="journal article"year="1993">Storti, 1993</bibRefCitation>
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<figureCitationid="708E0AE9FF92FF9BBECE0E1A7A1EF9E0"box="[398,523,1592,1616]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Fig. 14, 15</figureCitation>
), it has been a common practice to cut the whole female individual in spite of the detrimental effects on the palm-tree populations (G. Couturier, pers. com.). The dwarf form or “aguaje enano” (
<figureCitationid="708E0AE9FF92FF9BBCAC0E867C2AF90C"box="[1004,1087,1700,1724]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Fig. 14</figureCitation>
<figureCitationid="708E0AE9FF92FF9BBFB30F327967F898"box="[243,370,1808,1832]"captionStart="FIGURES 14 – 21"captionStartId="6.[151,264,1836,1859]"captionTargetBox="[304,1291,168,1816]"captionTargetId="figure@6.[304,1292,167,1817]"captionTargetPageId="6"captionText="FIGURES 14 – 21. Mauritia flexuosa: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits."figureDoi="http://doi.org/10.5281/zenodo.211553"httpUri="https://zenodo.org/record/211553/files/figure.png"pageId="4"pageNumber="85">Fig. 18, 21</figureCitation>
). Flowering can occur during the whole year. The anthesis of female and male flowers usually begins at 16 h and lasts an average of 24 h. When the flowers open, they produce a fragrance that may act as a mechanism for attracting insects (
<bibRefCitationid="8C246B9DFF92FF9BBD580F7A7B1CF8C0"author="Delgado"box="[536,777,1880,1904]"pageId="4"pageNumber="85"refString="Delgado C., Couturier G., Mejia K. (2007) Mauritia flexuosa (Arecaceae: Calamoideae), an Amazonian palm with cultivation purposes in Peru. Fruits, 62 (39), 157 - 169."type="journal article"year="2007">
). A great amount of insects associated with this palm has been reported from male and female inflorescences during anthesis (
<bibRefCitationid="8C246B9DFF92FF9BBCD70F5E7C35F824"author="Storti"box="[919,1056,1916,1940]"pageId="4"pageNumber="85"refString="Storti E. (1993) Biologia floral de Mauritia flexuosa L. f. na Regiao de Manaus, AM, Brasil. Acta Amazonica, 23 (4), 371 - 381."type="journal article"year="1993">Storti, 1993</bibRefCitation>
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: 14, dwarf form; 15, palms in human-settled area; 16, rachillae before anthesis (male); 17, portion of rachilla at the beginning of anthesis (male); 18, Guy Couturier harvesting rachillae for insect sampling; 19, male inflorescence; 20, portion of rachilla during anthesis (female); 21, César Delgado next to a dwarf form with fruits.
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