Seeversiella minima Gusarov, sp. n.
Creators: name: Gusarov, Vladimir I.
Publisher: name: Zenodo
Year: 2003
Subjects: Biodiversity
Taxonomy

description: 13. Seeversiella minima Gusarov, sp. n. (Figs. 175­189)
Type material. Holotype,, EL SALVADOR: Santa Ana: Montecristo, 21.7 km NE Metapan, 2100 m, forest litter (R.S.Anderson), 29.viii.1994 (KSEM).
Paratypes: EL SALVADOR: Santa Ana:, 4, same data as the holotype (KSEM).
Diagnosis. Seeversiella minima can be distinguished from other species of Seeversiella by having brownish yellow; small eyes (temple length to eye length ratio 4.0­7.0); glossy pronotum with fine and weak microsculpture; elytra much shorter than pronotum; reduced wings; tergum 8 with four pairs of macrosetae; the shape of aedeagus (Figs. 179­ 183, 185­189) and the distinct shape of spermatheca (Fig. 184).
Seeversiella minima can be distinguished from S. flavida and other similar species (24­ 28) with small body and very short elytra by the combination of the following characters: pubescence in lateral portions of pronotum directed towards midline and obliquely posteriorly; tergum 8 with four pairs of macrosetae; proximal seta of the apex of paramere is much longer than the other three setae (Fig. 183); apex of median lobe in parameral view wide (Figs. 179­180); spermatheca J­shaped with bulbous proximal portion and without umbilicus (Fig. 184).
Description. Length 1.6­2.0 mm. Body brownish­yellow with yellow legs, antennae and mouthparts.
Head surface glossy, with fine and weak isodiametric microsculpture, fine and sparse punctation, distance between punctures equals 3­4 times their diameter. Temple length to eye length ratio 4.0­7.0. Antennal article 2 as long as 3, article 4 transverse (ratio 1.5), 5­ 10 strongly transverse (ratio 2.0).
Pronotum slightly transverse, 1.2 times as wide as head, width 0.34­0.40 mm, length 0.31­0.36 mm, width to length ratio 1.1, surface glossy, microsculpture and punctation as on head. Elytra wider and much shorter (measured from humeral angle) than pronotum (pronotal length to elytral length ratio 1.4), 1.9 times wider than long, glossy, with fine and poorly visible isodiametric microsculpture; punctation asperate and stronger than on pronotum, distance between punctures equals 2­3 times their diameter. Wings shorter than elytra or absent.
Abdominal terga glossy, with fine microsculpture consisting of transverse meshes, with fine punctation, distance between punctures equals 2­3 times their diameter on terga 3­5 and 3­6 times on tergum 7. Apical margin of tergum 7 without white palisade fringe. Tergum 8 with four pairs of macrosetae (Figs. 175, 177).
In males posterior angles of tergum 3 not projecting, tergum 7 without medial carina or tubercle, posterior margin of tergum 8 without emargination (Fig. 175).
Aedeagus as in Figs. 179­183, 185­189. Proximal seta of the apex of paramere is much longer than the other three setae (Fig. 183).
Spermatheca as in Fig. 184.
Distribution. Known from Cerro Montecristo, El Salvador (Fig. 387).
Natural History. Seeversiella minima was collected in forest litter at altitude of 2100 m.
description: Published as part of Gusarov, Vladimir I., 2003, A revision of the genus Seeversiella Ashe, 1986 (Coleoptera: Staphylinidae: Aleocharinae), pp. 1-102 in Zootaxa 142 on pages 48-50, DOI: 10.5281/zenodo.156420