Microedus LeConte 1874
Creators: name: Shavrin, Alexey V.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Microedus

description: Key to species of Microedus of the Palaearctic Region
1 Antennomeres 4–10 slightly elongate, but less than three times as long as broad................................... 2
- Antennomeres 4–10 markedly elongate, distinctly more than three times as long as broad............................ 4
2 Interocellar impression distinct, U-shaped; anteocellar fovea narrow. Pronotum narrow, indistinctly broader than head.Aedeagus with narrow basal portion and elongate median lobe, without internal structures (Fig. 16). Body smaller: 3.00 mm. Habitus as in Fig. 2. India ............................................................................ M. brevitarsis
- Interocellar impression shallow, indistinct; anteocellar foveae very deep and moderately wide. Pronotum wide, distinctly broader than head. Aedeagus with wide basal portion, with short median lobe and distinct internal structures. Body larger.. 3
3 Punctation of pronotum indistinct, especially in median portion. Median lobe narrow; internal sac without large sclerotized structures (Figs 18, 20–21). Body length: 3.15–4.60 mm. Habitus as in Fig. 4. Russia, Kazakhstan ......... M. schilenkovi
- Punctation of pronotum distinct. Median lobe moderately wide; internal sac with large sclerotized structures (Fig. 22). Body length: 3.40–4.95 mm. Habitus as in Fig. 3. Kazakhstan ....................................... M. kastcheevi sp. n.
4 Pronotum moderately convex, without microsculpture. Aedeagus as in Figs. 21–26 in Shavrin & Makarov (2019). Body length: 4.30–5.10 mm. Habitus as in Fig. 6 in Shavrin & Makarov (2019). Russia, Japan ....................... M. puncticollis
- Pronotum somewhat flattened, with distinct microsculpture.................................................... 5
5 Body blackish. Head and pronotum with dense and moderately large punctation. Aedeagus as in Fig. 403 in Watanabe (1990). Body length: 4.10–5.20 mm. Japan ................................................................ M. pullus
- Body paler, usually reddish-brown. Head and pronotum with moderately sparse fine punctation....................... 6
6 Eyes small, with longitudinal diameter less than 1.3 times as long as postocular part. Aedeagus as in Fig. 405 in Watanabe (1990). Body length: 4.00– 4.50 mm. Japan ..................................................... M. yamanakai
- Eyes larger, with longitudinal diameter more than 1.5 times as long as postocular part.............................. 7
7 Punctation of head and pronotum distinct. Parameres slightly longer than apex of median lobe (Fig. 34). Body length: 3.70–4.60 mm. Habitus as in Fig. 33. Russia, Japan .......................................................... M. subtilis
- Punctation of head and pronotum finer, indistinct. Parameres significantly longer than apex of median lobe............. 8
8 Elytra moderately narrow, slightly broadened posteriad. Median lobe short and wide, as in Fig. 410 in Watanabe (1990). Body length: 3.50–3.90 mm. Habitus as in Fig. 409 in Watanabe (1990). Japan .............................. M. flavipennis
- Elytra slightly more transverse and more strongly broadened posteriad. Median lobe elongate and moderately narrow, as in Fig. 412 in Watanabe (1990). Body length: 3.80–4.50 mm. Japan ........................................... M. suzukii
description: Published as part of Shavrin, Alexey V., 2024, Microedus LeConte, 1874 (Coleoptera: Staphylindae: Omaliinae: Anthophagini), a new genus for the Palaearctic Region, pp. 205-223 in Zootaxa 5443 (2) on pages 210-211, DOI: 10.11646/zootaxa.5443.2.4, http://zenodo.org/record/11045155