Geostiba ...

• Main Author: Gusarov, Vladimir I.
• Format: Text
• Language: unknown
• Published: Zenodo 2002
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Coleoptera; Staphylinidae; Geostiba; Newfoundland
• Online Access: https://dx.doi.org/10.5281/zenodo.6277552; https://zenodo.org/doi/10.5281/zenodo.6277552

Key for Identification of Nearctic Species of Geostiba 1 In males pronotum with one medial tubercle at posterior margin; each elytron with a tubercle near scutellum but not at the elytral suture; abdominal tergum 7 with one short medial carina in front of posterior margin. Posterior margin of female sternum 8 distinctly convex, without medial emargination. Aedeagus: Figs. 1­3 in Assing (2001). Spermatheca: Fig. 4 in Assing (2001). Body length 2.3­2.8 mm, pronotal width 0.43­0.53 mm. Introduced from Europe to Newfoundland (Fig. 336)......................................................................................... 15. G. (s. str.) circellaris (Gravenhorst). – In males pronotum without a medial tubercle at posterior margin; elytral suture is raised behind scutellum (flat in G. impressula); abdominal tergum 7 with two short and parallel medial carinae in front of posterior margin or without carinae. Posterior margin of female sternum 8 medially slightly concave or with emargination (Figs. 32­ 33, 54­55). ... : Published as part of Gusarov, Vladimir I., 2002, A revision of Nearctic species of the genus Geostiba Thomson, 1858 (Coleoptera: Staphylinidae: Aleocharinae), pp. 1-88 in Zootaxa 81 on pages 15-17, DOI: 10.5281/zenodo.155701 ...