Cissidium similatum Darby 2020, sp. nov.
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| _version_ | 1866901733388582912 |
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| author | Darby, Michael |
| author_facet | Darby, Michael |
| contents | <p><b><i>Cissidium similatum</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 936AB769-443E-464C-B40D-A911A6E69ABF</p><p>Fig. 104</p><p><b>Etymology</b></p><p>Johnson ms name.</p><p><b>Material examined</b></p><p><b>Holotype</b> PERU • ♀; surroundings of Tarapoto; Franz leg.; MMUE.</p><p><b>Paratypes</b> PERU • 5 ex.; same collection data as for holotype; 1 ♀ mounted verso; MMUE, BMNH.</p><p><b>Description</b></p><p>SIZE. Habitus (Fig. 104A), length 0.71 mm.</p><p>COLOUR. Dark brown, shining, pubescence, legs and antennae dusky yellow.</p><p>HEAD. With a series of linear foveae between the eyes interrupted medially, width across eyes 0.20 mm; mentum parallel-sided; antennomeres III–XI, length 0.36 mm, III–IX length 0.16 mm, X–XI length 0.20 mm.</p><p>PRONOTUM. 0.19 mm long, 0.30 mm wide, sparsely pubescent and shallowly foveolate in basal half; lateral margins sharply angled then concave to acute hind angles, anterior angles strongly bordered and outstanding in dorsal view, lateral border not continuing along the basal margin, medial emargination opposite scutellum angulate (Fig. 104B).</p><p>ELYTRA. 0.47 mm long, 0.38 mm wide, pubescent as pronotum.</p><p>MESOVENTRITE. Without a medial extension of collar; mid-keel with concave sides, anterior angles meeting collar, posterior angles effaced before mesocoxa anterior borders, with a short, broad, angled posterior margin; keel with ± four setae, very wide tapering to a rounded termination close to base of mesocoxae; mesoventral lateral margins straight becoming effaced; humeri bluntly rounded (Fig. 104C).</p><p>METAVENTRITE. Sparsely pubescent, length 0.17 mm, disc simple, width across spines 0.13 mm; posterior margin of mesocoxae serrate.</p><p>WINGS. Macropterous.</p><p>GENITALIA. Female spermatheca globular. Males not known.</p><p><b>Remarks</b></p><p>Distinguished from the other species of smaller Peruvian <i>Cissidium</i> by the absence of a median extension of the mesoventral collar.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_3795728 |
| institution | Zenodo |
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| publishDate | 2020 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Cissidium similatum Darby 2020, sp. nov. Darby, Michael Biodiversity Taxonomy Animalia Arthropoda Insecta Coleoptera Ptiliidae Cissidium Cissidium similatum <p><b><i>Cissidium similatum</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act: 936AB769-443E-464C-B40D-A911A6E69ABF</p><p>Fig. 104</p><p><b>Etymology</b></p><p>Johnson ms name.</p><p><b>Material examined</b></p><p><b>Holotype</b> PERU • ♀; surroundings of Tarapoto; Franz leg.; MMUE.</p><p><b>Paratypes</b> PERU • 5 ex.; same collection data as for holotype; 1 ♀ mounted verso; MMUE, BMNH.</p><p><b>Description</b></p><p>SIZE. Habitus (Fig. 104A), length 0.71 mm.</p><p>COLOUR. Dark brown, shining, pubescence, legs and antennae dusky yellow.</p><p>HEAD. With a series of linear foveae between the eyes interrupted medially, width across eyes 0.20 mm; mentum parallel-sided; antennomeres III–XI, length 0.36 mm, III–IX length 0.16 mm, X–XI length 0.20 mm.</p><p>PRONOTUM. 0.19 mm long, 0.30 mm wide, sparsely pubescent and shallowly foveolate in basal half; lateral margins sharply angled then concave to acute hind angles, anterior angles strongly bordered and outstanding in dorsal view, lateral border not continuing along the basal margin, medial emargination opposite scutellum angulate (Fig. 104B).</p><p>ELYTRA. 0.47 mm long, 0.38 mm wide, pubescent as pronotum.</p><p>MESOVENTRITE. Without a medial extension of collar; mid-keel with concave sides, anterior angles meeting collar, posterior angles effaced before mesocoxa anterior borders, with a short, broad, angled posterior margin; keel with ± four setae, very wide tapering to a rounded termination close to base of mesocoxae; mesoventral lateral margins straight becoming effaced; humeri bluntly rounded (Fig. 104C).</p><p>METAVENTRITE. Sparsely pubescent, length 0.17 mm, disc simple, width across spines 0.13 mm; posterior margin of mesocoxae serrate.</p><p>WINGS. Macropterous.</p><p>GENITALIA. Female spermatheca globular. Males not known.</p><p><b>Remarks</b></p><p>Distinguished from the other species of smaller Peruvian <i>Cissidium</i> by the absence of a median extension of the mesoventral collar.</p> |
| title | Cissidium similatum Darby 2020, sp. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Insecta Coleoptera Ptiliidae Cissidium Cissidium similatum |
| url | https://doi.org/10.5281/zenodo.3795728 |