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TABLE 1 in Description of Aleochara (Xenochara) ichikawai sp. nov., the first confirmed myrmecophilous species of Aleochara Gravenhorst, 1802 from the East Palearctic Region (Coleoptera: Staphylinidae: Aleocharinae)
Authors/Creators
- 1. The Kyushu University Museum, 6 - 10 - 1 Hakozaki, Higashi-ku, Fukuoka, 812 - 8581 Japan
- 2. Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, 819 - 0395 Japan
- 3. Tsukiyoshi-machi 32 - 17, Kawagoe-shi, Saitama, 350 - 0825, Japan
Description
TABLE 1. Distinguishing characters of Aleochara (Xenochara) ichikawai sp. nov. and A. (X.) fumata Gravenhorst,
| A. ichikawai sp. nov. | A. fumata Gravenhorst, 1802 | |
|---|---|---|
| Body color except elytra | pale brown to brown (Fig. 1) | brown to dark brown (Klimaszewski et al., 2017: Fig. 20) |
| Aedeagus (apical lobe in lateral view) | minutely but distinctly curved just before apex (Fig. 9) | almost straight around apex (Fig. 13) |
| Aedeagus (apical lobe in ventral view) | narrower (Fig. 10) | wider (Fig. 14) |
| Aedeagus (flagellum) | approximately 1.2–1.3 times longer than median lobe (Fig. 9) | approximately 1.0–1.1 times longer than median lobe (Fig. 13) |
| Aedeagus (subapical sclerite in lateral view) | thinner, upturned (Fig. 9a: arrow) | thicker, slightly upturned (Fig. 13a: arrow) |
| Aedeagus (apical sclerite in ventral view) | curved inward (Fig. 10a) | curved outward (Fig. 14a) |
| Apical lobe of paramere | longer (Fig. 11) | shorter (Fig. 15) |
| Spermatheca (constriction of apical 1/3 of basal part) | smaller (Fig. 12) | larger (Fig. 16) |
| Spermatheca (sclerotization of apical part) | thickened around opening of spermathecal gland (Fig. 12: arrow) | not thickened around opening of spermathecal gland (Fig. 16) |
Notes
Published as part of Maruyama, Munetoshi, Nozaki, Tsubasa & Kamezawa, Hiromu, 2025, Description of Aleochara (Xenochara) ichikawai sp. nov., the first confirmed myrmecophilous species of Aleochara Gravenhorst, 1802 from the East Palearctic Region (Coleoptera: Staphylinidae: Aleocharinae), pp. 439 in Zootaxa 5666 (3) on page 439, DOI: 10.11646/zootaxa.5666.3.8, http://zenodo.org/record/16611668
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Additional details
Identifiers
References
- Klimaszewski, J., Webster, R. P. & Brunke, A. (2017) A new cryptic species of Aleochara Gravenhorst associated with Marmota monax (Linnaeus) burrows and caves in North America (Coleoptera: Staphylinidae: Aleocharinae). Insecta Mundi, 0600, 1-11.