Nebria sagittata
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Ordo: Coleoptera
Familia: Carabidae
Genus: Nebria
Name
Nebria sagittata Sasakawa, 2020 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
- Nebria reflexa : Uéno (1985)[1]: 56 (part); Nakane (1963b)[2]: 19 (part).
Notes
This species is known from the Asahi Mountains and the adjacent Mount Gassan. It is likely sympatric with N. niohozana and is distinguished from that species by a smaller body size and a larger PPW/EL. Among known related species, N. sagittata sp. nov. is most similar to N. iidesana sp. nov., in both external and endophallic structures, but it is distinguished by a strong bend in the apical portion of the right lateroapical lobe.
Description
Body length: ♂, 9.22–9.87 mm (mean ± SD: 9.54 ± 0.26 mm, n = 9); ♀, 9.77–10.92 mm (mean ± SD: 10.07 ± 0.43 mm, n = 6). PPW/EL: ♂, 0.317–0.345 (mean ± SD: 0.331 ± 0.009, n = 9); ♀, 0.307–0.333 (mean ± SD: 0.320 ± 0.009, n = 6). Ventral surface of aedeagal apex not concave. Dorsobasal lobe absent. Dorsomedian lobe absent. Dorsoapical lobe with the basal part protruding anterodorsally; the protrusion longer than the right laterobasal lobe; the apical portion directed dorsally, bifurcated at the apex; the left apex more than twice the size of the right apex. Right laterobasal lobe small, with the width from the ventral view narrower than the width of the gonopore protrusion from the lateral view. Left laterobasal lobe small, with the width from the ventral view narrower than the width of the gonopore protrusion from the lateral view. Right lateroapical lobe large, narrowed apically; apical half strongly bent in an anterior direction. Left lateroapical lobe large, narrowed apically. Ventrobasal surface almost flat, without swelling.
Type materials
Holotype: ♂ (KS), Riv. Higuresawa, ca 625 m, Nishikawa-machi, Yamagata Prefecture, Japan ([http://ptp.pensoft.eu/redirect_to_googlemap.php?labels%5B0%5D=38.320729N%2C+139.942376E&coordinates%5B0%5D=38.320729N%2C+139.942376E 38.320729N, 139.942376E]), 9–12.ix.2004, K. Sasakawa leg. Paratypes: 6♂6♀ (KS), same data as the holotype; 1♂ (NARO), “Tachiyazawa-Vill.” [Tachiyazawa, Shônai-machi], Yamagata Prefecture, Japan, 2.viii.1960, Y. Watanabe leg.; 1♂ (NARO), “Asahi-mura” [a part of Murakami-shi], Niigata Prefecture, Japan, K. Baba leg.
Etymology
The specific name derives from the Latin word sagittata (arrow-shaped) and refers to the dorsal view of dorsoapical lobe.
Original Description
- Sasakawa, K; 2020: Taxonomic studies of the ground beetle subgenus Falcinebria Ledoux & Roux, 2005 (Coleoptera, Carabidae, Nebria) from Honshû, Japan ZooKeys, 902: 37-60. doi
Images
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Other References
- ↑ Uéno S (1985) Subfamily Nebriinae. In: Uéno S Kurosawa Y Satô M (Eds) The Coleoptera of Japan in color.Vol. 2. Hoikusha, Osaka, 54–58. [In Japanese]
- ↑ Nakane T (1963b) Subfamily Nebriinae. In: Nakane T Oobayashi K Nomura S Kurosawa Y (Eds) Iconographia Insectorum Japonicorum.Colore naturali edita, II Coleoptera. Hokuryukan, Tokyo, 17–19.
