Eviulisoma sternale Enghoff 2018, sp. nov.
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| author | Enghoff, Henrik |
| author_facet | Enghoff, Henrik |
| contents | <p><b><i>Eviulisoma sternale</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act:C1C01D8B-4082-4DF2-83F0-FB8F444CF9F7</p><p>Figs 26–27</p><p><b>Diagnosis</b></p><p>Differs from other species of the <i>E. sternale</i> group by its smaller size (width 2.0 mm, vs 3.0– 3.2 mm in other species) and by having an apical dentate ridge on <i>map</i>.</p><p><b>Etymology</b></p><p>The name is an adjective referring to the modified 6th male sternum.</p><p><b>Material studied</b> (total: 1 ♂)</p><p><b>Holotype</b> TANZANIA: ♂, Iringa Region, Udzungwa Mts, West Kilombero Scarp FR, Ndundulu Forest 07°46′ S, 36°29′ E, Waller’s camp, tropical semi-evergreen forest, 1550 m a.s.l., 1–12 Jan. 2007, L.A. Hansen and local assistants leg. (ZMUC).</p><p><b>Referred non-type material</b></p><p>TANZANIA: 2 ♀♀, same collection data as for holotype (ZMUC); 1 ♀, 3 juv., same collection data as for holotype, but Dec. 2006 (ZMUC).</p><p><b>Description</b> (male)</p><p>SIZE. Length 23 mm, max width 2.0 mm.</p><p>COLOUR. After 10 years in alcohol, overall impression: contrasting dark and pale transverse bands. Head brown; collum black; prozonites yellowish white; metazonites black; antennae and legs light yellow; telson brown, darker (black) dorsally.</p><p>ANTENNAE. Reaching back to middle of ring 4.</p><p>BODY RINGS. Paranota completely absent. Stricture deep, broad, smooth. Setae absent, except for a middorsal pair on ring 2.</p><p>HYPOPROCT. Semicircular, no distinct tubercles.</p><p>LEGS. Length 1.5× body width. Relative lengths of podomeres: femur> tarsus> prefemur> tibia> postfemur. Scopulae present on tibia and tarsus on pre-gonopodal legs (Fig. 26C); also present, but poorly developed, on femur and postfemur. Prefemur and femur of post-gonopodal legs ventrally smooth, almost hairless (Fig. 26B).</p><p>STERNUM 5. A bell-shaped process between coxae 4.</p><p>STERNUM 6 (Fig. 26 A). Deeply excavated. Lateral rims of excavation produced into two lobes on each side, one lobe at basis of each leg.</p><p>GONOPODS (Fig. 27). Coxal lobe (<i>cxl</i>) moderately developed. Prefemoral part (<i>prf</i>) ca half as long as acropodite. Mesal acropodital process (<i>map</i>) long, straight, stout, with a deep, broad furrow on apical part of mesal surface, apically with three stout, triangular tines (<i>tn1, tn2, tn3</i>) and a transverse, dentate ridge (<i>dr</i>). Solenophore (<i>sph</i>) a simple rolled sheet, considerably shorter than process <i>map</i>, apically with two small processes.</p><p><b>Distribution and habitat</b></p><p>Known only from the West Kilombero Scarp FR, Ndundulu Forest, 1550 m a.s.l. Habitat: tropical semievergreen forest. Collected together with <i>E. grumslingslak</i> sp. nov.</p><p><b>Remarks</b></p><p>The ventrally smooth prefemora and femora is an unusual feature of this species, shared only with <i>E. kangense</i> sp. nov. (see Discussion).</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_5681614 |
| institution | Zenodo |
| language | |
| publishDate | 2018 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Eviulisoma sternale Enghoff 2018, sp. nov. Enghoff, Henrik Biodiversity Taxonomy Animalia Arthropoda Diplopoda Polydesmida Paradoxosomatidae Eviulisoma Eviulisoma sternale <p><b><i>Eviulisoma sternale</i> sp. nov.</b></p><p>urn:lsid:zoobank.org:act:C1C01D8B-4082-4DF2-83F0-FB8F444CF9F7</p><p>Figs 26–27</p><p><b>Diagnosis</b></p><p>Differs from other species of the <i>E. sternale</i> group by its smaller size (width 2.0 mm, vs 3.0– 3.2 mm in other species) and by having an apical dentate ridge on <i>map</i>.</p><p><b>Etymology</b></p><p>The name is an adjective referring to the modified 6th male sternum.</p><p><b>Material studied</b> (total: 1 ♂)</p><p><b>Holotype</b> TANZANIA: ♂, Iringa Region, Udzungwa Mts, West Kilombero Scarp FR, Ndundulu Forest 07°46′ S, 36°29′ E, Waller’s camp, tropical semi-evergreen forest, 1550 m a.s.l., 1–12 Jan. 2007, L.A. Hansen and local assistants leg. (ZMUC).</p><p><b>Referred non-type material</b></p><p>TANZANIA: 2 ♀♀, same collection data as for holotype (ZMUC); 1 ♀, 3 juv., same collection data as for holotype, but Dec. 2006 (ZMUC).</p><p><b>Description</b> (male)</p><p>SIZE. Length 23 mm, max width 2.0 mm.</p><p>COLOUR. After 10 years in alcohol, overall impression: contrasting dark and pale transverse bands. Head brown; collum black; prozonites yellowish white; metazonites black; antennae and legs light yellow; telson brown, darker (black) dorsally.</p><p>ANTENNAE. Reaching back to middle of ring 4.</p><p>BODY RINGS. Paranota completely absent. Stricture deep, broad, smooth. Setae absent, except for a middorsal pair on ring 2.</p><p>HYPOPROCT. Semicircular, no distinct tubercles.</p><p>LEGS. Length 1.5× body width. Relative lengths of podomeres: femur> tarsus> prefemur> tibia> postfemur. Scopulae present on tibia and tarsus on pre-gonopodal legs (Fig. 26C); also present, but poorly developed, on femur and postfemur. Prefemur and femur of post-gonopodal legs ventrally smooth, almost hairless (Fig. 26B).</p><p>STERNUM 5. A bell-shaped process between coxae 4.</p><p>STERNUM 6 (Fig. 26 A). Deeply excavated. Lateral rims of excavation produced into two lobes on each side, one lobe at basis of each leg.</p><p>GONOPODS (Fig. 27). Coxal lobe (<i>cxl</i>) moderately developed. Prefemoral part (<i>prf</i>) ca half as long as acropodite. Mesal acropodital process (<i>map</i>) long, straight, stout, with a deep, broad furrow on apical part of mesal surface, apically with three stout, triangular tines (<i>tn1, tn2, tn3</i>) and a transverse, dentate ridge (<i>dr</i>). Solenophore (<i>sph</i>) a simple rolled sheet, considerably shorter than process <i>map</i>, apically with two small processes.</p><p><b>Distribution and habitat</b></p><p>Known only from the West Kilombero Scarp FR, Ndundulu Forest, 1550 m a.s.l. Habitat: tropical semievergreen forest. Collected together with <i>E. grumslingslak</i> sp. nov.</p><p><b>Remarks</b></p><p>The ventrally smooth prefemora and femora is an unusual feature of this species, shared only with <i>E. kangense</i> sp. nov. (see Discussion).</p> |
| title | Eviulisoma sternale Enghoff 2018, sp. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Diplopoda Polydesmida Paradoxosomatidae Eviulisoma Eviulisoma sternale |
| url | https://doi.org/10.5281/zenodo.5681614 |