Sagola tishechkini Park and Carlton

Park, J. - S. & Carlton, C. E., 2014, A revision of the New Zealand species of the genus Sagola Sharp (Coleoptera: Staphylinidae: Pselaphinae: Faronitae), The Coleopterists Bulletin (mo 13) 68, pp. 1-156 : 88

Sagola tishechkini Park and Carlton , new species

( Figs. 49b, 49d , 51 )

Type Material. Holotype. NEW ZEALAND:

Gisborne: 1♂ ( NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “ NEW ZEALAND: GB: Lake Waikaremoana 17 I 1972, G.W. Ramsay Litter 72/21”, “ HOLOTYPE Sagola tishechkini Park and Carlton 2013 ” .

Etymology. This species is named for LSAM alumnus, histerid specialist, and enthusiastic supporter of this study, Alexey K. Tishechkin.

Diagnosis. This species can be distinguished from the other species of the gilae species-group by the following combination of characters: body smaller, length 1.8 mm; frontal rostrum bluntly triangular; gular depression with small process from anterior middle; shape of genitalia unique to species.

Description of Male. Length 1.8 mm. Body brown, antennae, elytra, legs, and maxillary palpi paler ( Fig. 49b ). Head: As long as wide, widest across eyes ( Fig. 49b ). Gular region transversely depressed with small process medially and bearing dense setae. Antennomere 1 approximately 2.5 times longer than wide with dull surface, 2 longer than wide, 3 subquadrate, 4–5 longer than wide, 6–10 subquadrate. Frontal rostrum bluntly triangular. Frontal sulcus deep, reaching posterior end of eye. Anterior frontal fovea oval and partially covered by frontal rostrum, posterior frontal fovea oval. Eye prominent, one-third length of temple. Thorax: Prosternum as long as wide, widest at midpoint. Elytra rectangular ( Fig. 49b ). Meso- and metathorax trapezoidal, longer than wide. Abdomen: Tergite IV without patches of microtrichia. Aedeagus: Median lobe straight and slender ( Fig. 49d ). Phallobase of median lobe asymmetrical and rounded ( Fig. 49d ). Parameres asymmetrical, left divided and apical lobe of major lobe arrow head-shaped, right shallowly divided ( Fig. 49d ).

Distribution. Gisborne ( Fig. 51 : triangle).

Habitat. The holotype was collected by sifting leaf litter.

Figures

Fig. 49. Sagola species in the gilae species-group. Habitus, dorsal views: a) S. gilae; b) S. tishechkini. Aedeagi, dorsal views: c) S. gilae, d) S. tishechkini. S. gilae, male head: e) Dorsal surface, f) Ventral surface. Scale bars a–b = 1 mm, c–f = 0.1 mm.

Fig. 51. Known collection localities of New Zealand Sagola species. S. gilae: black circle; S. tishechkini: triangle; S. owensae: black square.