Pseudoexeirarthra colorata
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Pseudoexeirarthra
Name
Pseudoexeirarthra colorata (Broun) – Wikispecies link – Pensoft Profile
- Sagola colorata Broun, 1914: 156. Hudson 1923[1]: 365; 1934[2]: 184. Newton and Thayer 2005[3]. Nomura and Leschen 2006[4]: 241.
- Sagola insueta Broun, 1914: 157. Hudson 1923[1]: 365; 1934[2]: 184. Newton and Thayer 2005[3]. Nomura and Leschen 2006[4]: 242. syn. n.
Type material
Holotype. New Zealand: Mid Canterbury (MC): 1♀ (BMNH), glued on rectangular card, “Type” [red label, printed]; “3519.” [white label, handwritten]; “New Zealand Broun Coll. Brit. Mus. 1922-482.” [white label, printed]; “McClennans. 25.3.1912.” [white label, handwritten]; “Sagola colorata.” [white label, handwritten].
Holotype of Sagola insueta. New Zealand: Mid Canterbury (MC): 1♀ (BMNH), glued on rectangular card, “Type” [red label, printed]; “3521.” [white label, handwritten]; “New Zealand Broun Coll. Brit. Mus. 1922-482.” [white label, printed]; “Rakaia. 6.7.1912.” [white label, handwritten]; “Sagola insueta” [white label, handwritten].
Additional material
(n = 23; 21 males, 2 females). New Zealand: Dunedin (DN): 1♂, Nicol Creek, Leith Valley, 25 V 2006, J. Nunn, litter (JTN); 1♂, Vauxhall, 13 IX 2001, J. Nunn, FIT (JTN); 1♂, The Tunnels, Silverpeaks, 2 VI 2001, J. Nunn, moss and litter (JTN); 1♂, Vauxhall, 26 II 2011, 45°54.24'S, 170°31.89'E, 167 m, J. Nunn, washes soil (JTN); 1♂, Town Belt, 26 VII 1997, J. Nunn, decayed wood (JTN); 1♂, Vauxhall, 27 I 2000, J. Nunn, FIT (JTN); Fiordland (FD): 6♂ 1♀, Lake Hauroko, 2 XI 1966, J. I. Townsend, litter (NZAC); 1♂, Hollyford Camp, 10 XII 1966, A. K. Walker, litter (NZAC); Mid Canterbury (MC): 7♂♂, Banks Peninsula, Hay Scenic Res, Pigeon Bay, 25 m, 11 XII 1984–22 I 1985, Podocarp-hdwd forest, A. Newton, M. Thayer 702, window trap (FMNH); 1♂, Craigieburn SF, 850 m, #023, 42°10.8'S, 171°42'E, Nothofagus litter, 9 I 1998, C. Carlton, R. Leschen (LSAM); 1♀, McLellans Bush, Mt. Hutt, 11 I 2008, J. Nunn, on sooty mould on beech bole (JTN).
Diagnosis
This species is distinguished from the other species of this genus by the following combination of characters: body length 2.2–2.5 mm; eyes large, two-thirds length of temples (Fig. 1B); antennomeres 2–7 longer than wide, 8–10 subquadrate; median lobe of male genitalia divided, minor lobe longer than major lobe and covered with small tubercles (Fig. 3B); parameres symmetrical, setae present from apices to middle (Fig. 3B).
Redescription
Length 2.2–2.5 mm. Body reddish brown, antennae, legs, maxillary palpi and elytra paler (Fig. 1B). Head rectangular, longer than wide, widest across eyes (Fig. 1B). Antennomere 1 approximately 1.5 times longer than wide, 2–7 longer than wide, 8–10 subquadrate. Eyes large and prominent, two-thirds length of temples. Prosternum as long as wide, widest at apical one-third. Elytra longer than wide (Fig. 1B). Hind wings fully developed. Meso- and metaventrites trapezoidal, longer than wide. Tergite IV with pair of transverse patches of microtrichia reaching middle. Median lobe of genitalia divided, minor lobe longer than major lobe and covered with small tubercles (Fig. 3B). Phallobase symmetrical and rounded (Fig. 3B). Parameres symmetrical, setae present from apices to middle (Fig. 3B).
Type locality
McClennan’s Bush, near Methven (MC), New Zealand.
Distribution
Dunedin (DN), Fiordland (FD), Mid Canterbury (MC) (Fig. 4: black triangles).
Habitat
Specimens were collected using flight intercept traps, and by soil washing or sifting leaf and wood litter.
Comments
The type specimen of Sagola insueta shares the diagnostic characters of Pseudoexeirarthra colorata. For this reason, we have placed Sagola insueta in synonymy with Pseudoexeirarthra colorata.
Taxon Treatment
- 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
Images
Other References
- ↑ 1.0 1.1 Hudson G (1923) An index of New Zealand beetles. Transactions and Proceedings of the New Zealand Institute 54 [1922]: 353–399.
- ↑ 2.0 2.1 Hudson G (1934) New Zealand beetles and their larvae: an elementary introduction to the study of our native Coleoptera. Ferguson & Osborne, Wellington, 236 pp.
- ↑ 3.0 3.1 Newton A, Thayer M (2005) Catalog of austral species of Staphylinidae and other Staphylinoidea [online]. Field Museum of Natural History, Chicago [last updated 27 August 2005]. http://www.fieldmuseum.org/peet_staph/db_1b.html [accessed 18 July 2013]
- ↑ 4.0 4.1 Nomura S, Leschen R (2006) Faunistic review on the pselaphine species known from New Zealand (Insecta, Coleoptera, Staphylinidae). In: Tomida Y (Eds) Proceedings of the 7th and 8th Symposia on Collection Building and Natural History Studies in Asia and the Pacific Rim. Natural Science Museum Monographs 34: 239–272.
