Torodora mici Yu & Wang 2024, sp. nov.

Torodora mici Yu & Wang sp. nov. Figs 1 C, D, 2 B, D Type materials. Holotype: China • ♂; Xizang Autonomous Region [Tibet], Motuo County [Mêdog], Beibengxiang; 29.242 ° N, 95.171 ° E; 1239 m elev.; 14 Jun. 2023; Shuai Yu leg.; slide no. LCU 034, in LCU. Paratypes: 3 ♂ 1 ♀; same data as holotype; slide nos. LCU 033 ♂, LCU 204 ♂, LCU 219 ♀, in LCU. Diagnosis. Torodora mici is similar to T. reniformis Yu & Wang, 2022 in the male genitalia. It can be distinguished by the blackish brown forewing, the juxta reaching near posterior margin of the tegumen, and the cornutus an elongate bar; Torodora reniformis has a forewing that is dark brown on the basal 3 / 4 and orange white on the distal 1 / 4 (Yu et al. 2022: 16), the juxta reaches far from the posterior margin of the tegumen, and the cornuti consists of needle-like spines (Yu et al. 2022: 24). Description. Wingspan 13.5–14.0 mm (Fig. 1 C). Head dark brown, orange-yellow along lateral surfaces. Antennae yellow. Labial palpus dark brown, distally yellow on second palpomere; third paplomere slender, as long as the second. Thorax and tegula dark brown. Forewing with costal margin nearly straight, slightly curved distally, apex slightly down-curved, termen slightly concave; ground color dark brown, mixed with scattered yellow scales, distal 1 / 4 of the costal margin yellow; discal stigma rounded, black, outer margin edged with yellow scales; plical stigma nearly rounded, black, anteriorly extending toward discal stigma, outer margin edged with yellow scales; discocellular stigma small, paired, located one above another, with a yellow outer margin; subterminal line yellow, extending from 1 / 4 of the costal margin sinuated to the distal 1 / 5 of the dorsum; fringe dark brown, with a yellow basal line; venation with R 1, R 2 free, R 3, R 4, and R 5 stalked, R 5 extending to apex, M 1, M 2, M 3 free, CuA 1 and CuA 2 stalked distally. Hindwing greyish brown; fringe greyish brown, with a yellow basal line; venation with M 2 free, M 3 and CuA 1 stalked basally, CuA 2 distant from M 3 + CuA 1 at the base (Fig. 1 D). Male genitalia (Fig. 2 B). Uncus elongated with widened base. Gnathos with basal plate rounded on posterior margin, median process absent. Valva wide at the base, gradually narrowing to cucullus; cucullus extending obliquely dorsad, apical margin broadly rounded, costal margin nearly straight throughout length, abruptly curved upwards forming inner margin of cucullus; sacculus wide, elongate, densely spiculose. Vinculum U shaped, nearly straight on anterior margin. Juxta rectangular, longer than wide, with a longitudinal median line; posterolateral lobes digitate, reaching near the posterior margin of the tegumen, apex narrowly rounded, setose. Phallus shorter than the valva, straight, uniformly wide basally, narrowing apically; vesica densely granulate; cornutus an elongate bar near apex of vesica. Female genitalia (Fig. 2 D). Eighth abdominal sternite medially concave on posterior margin, forming two lateral parts broadly rounded posteriorly. Apophyses posteriores longer than apophyses anteriores. Antrum cup-shaped and membranous. Ductus bursae nearly wide throughout length, bearing sparse spines; ductus seminalis slender, arising from approximately the posterior 1 / 4 of ductus bursae, with dense spinules on the inner wall. Corpus bursae elliptical; signum on posterior end, a transverse plate, bearing dense spinules. Distribution. China (Xizang Autonomous Region [Tibet]). Etymology. The specific epithet is derived from the Mandarin mi (dense) and ci (spine), referring to the densely spined sacculus of the male genitalia.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2024-11-22
DOI
https://doi.org/10.5281/zenodo.14206195
Primary Topic
Diatoms and Algae Research
Type
article
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article

Torodora mici Yu & Wang 2024, sp. nov.

Zenodo (CERN European Organization for Nuclear Research)
Diatoms and Algae Research
article

Torodora mici Yu & Wang 2024, sp. nov.

article en

Abstract

Torodora mici Yu & Wang sp. nov. Figs 1 C, D, 2 B, D Type materials. Holotype: China • ♂; Xizang Autonomous Region [Tibet], Motuo County [Mêdog], Beibengxiang; 29.242 ° N, 95.171 ° E; 1239 m elev.; 14 Jun. 2023; Shuai Yu leg.; slide no. LCU 034, in LCU. Paratypes: 3 ♂ 1 ♀; same data as holotype; slide nos. LCU 033 ♂, LCU 204 ♂, LCU 219 ♀, in LCU. Diagnosis. Torodora mici is similar to T. reniformis Yu & Wang, 2022 in the male genitalia. It can be distinguished by the blackish brown forewing, the juxta reaching near posterior margin of the tegumen, and the cornutus an elongate bar; Torodora reniformis has a forewing that is dark brown on the basal 3 / 4 and orange white on the distal 1 / 4 (Yu et al. 2022: 16), the juxta reaches far from the posterior margin of the tegumen, and the cornuti consists of needle-like spines (Yu et al. 2022: 24). Description. Wingspan 13.5–14.0 mm (Fig. 1 C). Head dark brown, orange-yellow along lateral surfaces. Antennae yellow. Labial palpus dark brown, distally yellow on second palpomere; third paplomere slender, as long as the second. Thorax and tegula dark brown. Forewing with costal margin nearly straight, slightly curved distally, apex slightly down-curved, termen slightly concave; ground color dark brown, mixed with scattered yellow scales, distal 1 / 4 of the costal margin yellow; discal stigma rounded, black, outer margin edged with yellow scales; plical stigma nearly rounded, black, anteriorly extending toward discal stigma, outer margin edged with yellow scales; discocellular stigma small, paired, located one above another, with a yellow outer margin; subterminal line yellow, extending from 1 / 4 of the costal margin sinuated to the distal 1 / 5 of the dorsum; fringe dark brown, with a yellow basal line; venation with R 1, R 2 free, R 3, R 4, and R 5 stalked, R 5 extending to apex, M 1, M 2, M 3 free, CuA 1 and CuA 2 stalked distally. Hindwing greyish brown; fringe greyish brown, with a yellow basal line; venation with M 2 free, M 3 and CuA 1 stalked basally, CuA 2 distant from M 3 + CuA 1 at the base (Fig. 1 D). Male genitalia (Fig. 2 B). Uncus elongated with widened base. Gnathos with basal plate rounded on posterior margin, median process absent. Valva wide at the base, gradually narrowing to cucullus; cucullus extending obliquely dorsad, apical margin broadly rounded, costal margin nearly straight throughout length, abruptly curved upwards forming inner margin of cucullus; sacculus wide, elongate, densely spiculose. Vinculum U shaped, nearly straight on anterior margin. Juxta rectangular, longer than wide, with a longitudinal median line; posterolateral lobes digitate, reaching near the posterior margin of the tegumen, apex narrowly rounded, setose. Phallus shorter than the valva, straight, uniformly wide basally, narrowing apically; vesica densely granulate; cornutus an elongate bar near apex of vesica. Female genitalia (Fig. 2 D). Eighth abdominal sternite medially concave on posterior margin, forming two lateral parts broadly rounded posteriorly. Apophyses posteriores longer than apophyses anteriores. Antrum cup-shaped and membranous. Ductus bursae nearly wide throughout length, bearing sparse spines; ductus seminalis slender, arising from approximately the posterior 1 / 4 of ductus bursae, with dense spinules on the inner wall. Corpus bursae elliptical; signum on posterior end, a transverse plate, bearing dense spinules. Distribution. China (Xizang Autonomous Region [Tibet]). Etymology. The specific epithet is derived from the Mandarin mi (dense) and ci (spine), referring to the densely spined sacculus of the male genitalia.

Zenodo (CERN European Organization for Nuclear Research)
Liaocheng University (CN), Nankai University (CN)
Openalex Percentile: Top 70%
Diatoms and Algae Research
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