Pseudoexeirarthra seiwoongi
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Pseudoexeirarthra
Name
Pseudoexeirarthra seiwoongi Park & Carlton, 2015 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Holotype. New Zealand: Wellington (WN): 1♂ (NZAC), aedeagus dissected and mounted in balsam on a clear plastic card, “NEW ZEALAND WN 4 km along Waiotauru Rd. 16/11/91 Tararua FP”, “1159”, “HOLOTYPE Pseudoexeirarthra seiwoongi Park and Carlton des. 2013”. The original label does not record who collected the specimen, but it was collected by J. Nunn. Paratype (1 male): New Zealand: Mid Canterbury (MC): 1♂, Banks Penin., Peraki Saddle Scen Res, 500 m, 11 XII 1984, hdwd-podo.elfin forest, A. Newton, M. Thayer 701, log and leaf litter (FMNH).
Etymology
This species is named after Dr. Sei-Woong Choi, Professor at Mokpo National University (Mokpo, South Korea), world moth specialist, and an enthusiastic supporter of this study.
Diagnosis
This species is distinguished from the other species of this genus by the following combination of characters: body length 1.9–2.1 mm; eyes large, as long as temples (Fig. 1G); antennomeres 2–7 longer than wide, 8 subquadrate, 9–10 weakly transverse; median lobe of male genitalia divided, major lobe with triangular apex, minor lobe longer with small tubercles (Fig. 3G); parameres nearly symmetrical, but right paramere slightly longer than left with setae from apices to midpoints (Fig. 3G).
Description of male
Length 1.9–2.1 mm. Body reddish brown, antennae, legs, maxillary palpi and elytra paler (Fig. 1G). Head bluntly rectangular, longer than wide, widest across eyes (Fig. 1G). Antennomere 1 approximately 1.5 times longer than wide, 2–7 longer than wide, 8 subquadrate, 9–10 weakly transverse. Eyes large and prominent, as long as temples. Prosternum as long as wide, widest at one-third length. Male elytra longer than wide (Fig. 1G). Hind wings fully developed. Meso- metathorax trapezoidal, longer than wide. Male tergite IV with pair of transverse patches of microtrichia reaching middle. Median lobe of genitalia divided, major lobe triangular apically, minor lobe longer with small tubercles (Fig. 3G). Phallobase symmetrical and rounded (Fig. 3G). Parameres nearly symmetrical, but right slightly longer than left with setae from apices to midpoints (Fig. 3G).
Distribution
Mid Canterbury (MC), Wellington (WN) (Fig. 5: black stars).
Habitat
The paratype was collected by sifting leaf and moss litter.
Original Description
- Park, J; Carlton, C; 2015: Pseudoexeirarthra, a new genus from New Zealand (Coleoptera, Staphylinidae, Pselaphinae), with descriptions of seven new species ZooKeys, (491): 95-118. doi
