Elachista levis Sruoga & Kaila, 2026, sp. nov.
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| _version_ | 1866902241808482304 |
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| author | Sruoga, Virginijus Kaila, Lauri |
| author_facet | Sruoga, Virginijus Kaila, Lauri |
| contents | <p><i>Elachista levis</i> sp. nov.</p><p>Figs 1 F, G, 3 E – G, 4 E</p><p><b>Material examined.</b></p><p><b><i>Holotype</i>.</b> Tanzania • ♂; West Usambara Mts, Mazumbai; 1600 m; 01 Aug. 1980; M. Stoltze & N. Scharff leg.; gen. prep. L. Kaila 1514; ZMUC.</p><p><b>Diagnosis.</b></p><p>The male genitalia of <i>E. levis</i> closely resemble those of <i>E. silfverbergi</i>, known from Ethiopia and Kenya, and <i>E. griseifrons</i>, known from Ethiopia. However, <i>E. levis</i> lacks a band of spines in the apical part of the phallus and has a vinculum with a long, narrow saccus. Additionally, <i>E. levis</i> differs from <i>E. silfverbergi</i> by having a short, triangular digitate process.</p><p><b>Description.</b></p><p><b>Male.</b> (Fig. 1 F, G). Forewing length 2.6 mm; wingspan 5.7 mm (<i>N = 1</i>). <i>Head</i>: labial palpus 1.25 times as long as width of head, whitish-grey above and greyish-brown below; scape and pecten brownish-grey, flagellum brownish-grey, with very short cilia. <i>Thorax</i> dark grey-brown, tegula brownish-grey. Forewing: mottled with scales basally whitish-grey and distally grey-brown; wing slightly darker beyond middle; antemedian transverse fascia blurred, small costal and tornal spots blurred, greyish-white; fringe grey-brown. Hindwing and its fringe greyish-brown.</p><p><b>Female.</b> Unknown.</p><p><b>Male genitalia.</b> (Fig. 3 E – G). Uncus lobes widely apart from each other, broadest in basal part, longer than wide, tapered distally, setae on ventral surface dense, scale-like near apex and along lateral margin, becoming longer and thinner in mediobasal part. Socius with a few short setae. Spinose knob of gnathos large and oval, slightly larger than width of uncus lobe at its widest point. Valva long and narrow, about five times as long as wide at costal hump; basal fold of costa extended to 1 / 2 of valva, beyond it with small, broad hump; cucullus long, slightly bent towards costa. Median plate of juxta with a pair of large dorsally directed lateral pockets. Juxta lobes large, median margin straight, joining straight distal margin at right angle, distal margin convex, ventral surface distally with long setae. Digitate process glabrous, reduced to a small, bluntly triangular lobe. Vinculum V-shaped, saccus prominent, long, and narrow. Phallus about 0.6 as long as valva, weakly bent before middle, caecum small, apex acute, and curved to form strongly sclerotized hook; vesica without cornuti.</p><p><b>Biology.</b></p><p>Unknown.</p><p><b>Flight period.</b></p><p>The single specimen was collected in early August.</p><p><b>Distribution.</b></p><p>So far, this species is known only from north-eastern Tanzania.</p><p><b>Etymology.</b></p><p>From the Latin <i>levis</i>, meaning “ smooth, polished ” in reference to the phallus without coarse spines on the surface.</p><p><b>Remarks.</b></p><p>The holotype moth is somewhat abraded. Therefore, the description is approximate.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_18315306 |
| institution | Zenodo |
| language | |
| publishDate | 2026 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Elachista levis Sruoga & Kaila, 2026, sp. nov. Sruoga, Virginijus Kaila, Lauri Biodiversity Taxonomy Animalia Arthropoda Insecta Lepidoptera Elachistidae Elachista Elachista levis <p><i>Elachista levis</i> sp. nov.</p><p>Figs 1 F, G, 3 E – G, 4 E</p><p><b>Material examined.</b></p><p><b><i>Holotype</i>.</b> Tanzania • ♂; West Usambara Mts, Mazumbai; 1600 m; 01 Aug. 1980; M. Stoltze & N. Scharff leg.; gen. prep. L. Kaila 1514; ZMUC.</p><p><b>Diagnosis.</b></p><p>The male genitalia of <i>E. levis</i> closely resemble those of <i>E. silfverbergi</i>, known from Ethiopia and Kenya, and <i>E. griseifrons</i>, known from Ethiopia. However, <i>E. levis</i> lacks a band of spines in the apical part of the phallus and has a vinculum with a long, narrow saccus. Additionally, <i>E. levis</i> differs from <i>E. silfverbergi</i> by having a short, triangular digitate process.</p><p><b>Description.</b></p><p><b>Male.</b> (Fig. 1 F, G). Forewing length 2.6 mm; wingspan 5.7 mm (<i>N = 1</i>). <i>Head</i>: labial palpus 1.25 times as long as width of head, whitish-grey above and greyish-brown below; scape and pecten brownish-grey, flagellum brownish-grey, with very short cilia. <i>Thorax</i> dark grey-brown, tegula brownish-grey. Forewing: mottled with scales basally whitish-grey and distally grey-brown; wing slightly darker beyond middle; antemedian transverse fascia blurred, small costal and tornal spots blurred, greyish-white; fringe grey-brown. Hindwing and its fringe greyish-brown.</p><p><b>Female.</b> Unknown.</p><p><b>Male genitalia.</b> (Fig. 3 E – G). Uncus lobes widely apart from each other, broadest in basal part, longer than wide, tapered distally, setae on ventral surface dense, scale-like near apex and along lateral margin, becoming longer and thinner in mediobasal part. Socius with a few short setae. Spinose knob of gnathos large and oval, slightly larger than width of uncus lobe at its widest point. Valva long and narrow, about five times as long as wide at costal hump; basal fold of costa extended to 1 / 2 of valva, beyond it with small, broad hump; cucullus long, slightly bent towards costa. Median plate of juxta with a pair of large dorsally directed lateral pockets. Juxta lobes large, median margin straight, joining straight distal margin at right angle, distal margin convex, ventral surface distally with long setae. Digitate process glabrous, reduced to a small, bluntly triangular lobe. Vinculum V-shaped, saccus prominent, long, and narrow. Phallus about 0.6 as long as valva, weakly bent before middle, caecum small, apex acute, and curved to form strongly sclerotized hook; vesica without cornuti.</p><p><b>Biology.</b></p><p>Unknown.</p><p><b>Flight period.</b></p><p>The single specimen was collected in early August.</p><p><b>Distribution.</b></p><p>So far, this species is known only from north-eastern Tanzania.</p><p><b>Etymology.</b></p><p>From the Latin <i>levis</i>, meaning “ smooth, polished ” in reference to the phallus without coarse spines on the surface.</p><p><b>Remarks.</b></p><p>The holotype moth is somewhat abraded. Therefore, the description is approximate.</p> |
| title | Elachista levis Sruoga & Kaila, 2026, sp. nov. |
| topic | Biodiversity Taxonomy Animalia Arthropoda Insecta Lepidoptera Elachistidae Elachista Elachista levis |
| url | https://doi.org/10.5281/zenodo.18315306 |