Eupines (Byraxis) dispar ( Sharp, 1874 )

Shen, Jia-Wei & Leschen, Richard A. B., 2020, Revision of Eupines King of New Zealand (Coleoptera: Staphylinidae: Pselaphinae: Goniaceritae), Zootaxa 4777 (1), pp. 1-84 : 26-27

publication ID

https://doi.org/ 10.11646/zootaxa.4777.1.1

publication LSID

lsid:zoobank.org:pub:BF4149EF-478F-4FE4-BE7B-B497272F99C0

DOI

https://doi.org/10.5281/zenodo.3844496

persistent identifier

https://treatment.plazi.org/id/C0438794-D85B-FFB5-FF01-74B7FB78F8F6

treatment provided by

Plazi

scientific name

Eupines (Byraxis) dispar ( Sharp, 1874 )
status

 

Eupines (Byraxis) dispar ( Sharp, 1874) View in CoL

Fig. 15 View FIGURE 15 ; map Fig. 50 View FIGURE 50

Bryaxis dispar Sharp, 1874: 498 .

Bryaxis dispar : reprint from Sharp 1874 by Sharp 1876: 277.

Bryaxis dispar : reprinted excerpt from Sharp 1874 by Broun 1880: 127.

Bryaxis ovalipennis Schaufuss, 1880a: 25 View in CoL . Type locality: New Zealand.

Bryaxis ovalipennis View in CoL : reprint from Schaufuss 1880a by Schaufuss 1880b: 501. Synonymized by Raffray 1911: 82.

Eupines (Byraxis) dispar View in CoL : combination and subgeneric assignment by Raffray 1904: 207. Hudson 1923: 364, 1934: 182; Nomura and Leschen 2006: 254; Maddison 2010: 417; Shen and Leschen 2019: 263 View Cited Treatment .

Bryaxis munroi Broun, 1890: 231 View in CoL . Bryaxis munroi : reprint from Broun 1890 by Broun 1893a: 1046. Eupines (Byraxis) munroi View in CoL : combination and subgeneric assignment by Raffray 1904: 208. Raffray 1911: 83, 1924: 157; Hudson 1923: 364, 1934: 183; Nomura and Leschen 2006: 255; Maddison 2010: 417; Shen and Leschen 2019: 270. Type locality: [AK] Clevedon. Type depository: BMNH LT ♂, 6 PLT. NEW SYNONYMY.

Type locality: [AK] Auckland .

Type depository: BMNH LT ♂, 3 PLT .

Diagnosis: Head with vertexal foveae punctiform; antennae 10-segmented with 2-segmented antennal club; A4, A5, A6, A7 and A8 unmodified, A9 narrowed at base, truncate at apex, with outside surface strongly polished and slightly concave, A10 bean-shaped, strongly concave at lateral side. Abdominal ventrite 2 with pair of slightly prominent discal protuberances, inserted with slightly curved apical setae; ventrite 6 with pair of long median struts, about two-thirds of ventral length, slightly curved inwards at apex. Protrochanters with long ventral spine, about as long as protrochanteral width; protibiae and mesotibiae unmodified.

Redescription: Body length 2.00– 2.14 mm; body colour reddish brown to dark brown with lighter coloured elytra and legs. Head about as long as wide; frons slightly narrowed at end, about three-fifths width of head at eye level; eyes well developed, with about 38 facets; vertexal foveae punctiform; antennal tubercles weak; postantennal notches punctiform; postantennal cavities long and narrow, slightly shorter than antennal tubercles in dorsal view; antennae 10-segmented with 2-segmented antennal club; A4, A5, A6, A7 and A8 unmodified, A9 narrowed at base, truncate at apex, with outside surface strongly polished and slightly concave, A10 bean-shaped, strongly concave at lateral side. Pronotum longer than wide, slightly narrower than head at eye level; lateral antebasal foveae punctiform. Elytra about as long as wide, widest at apical three-fourths; humeral calli barely visible; sutural stria distinctively extending from base to apex. Abdomen with tergite 1 about twice length of tergite 2; ventrite 2 with pair of slightly prominent discal protuberances, inserted with slightly curved apical setae; ventrite 6 with pair of long median struts, about two-thirds of ventral length, slightly curved inwards at apex. Legs with protrochanters modified with long ventral spine, about as long as protrochanteral width; protibiae and mesotibiae unmodified. Aedeagus about 0.36 mm long, with slender parameres, with four pairs of apical setae; median lobe with single stout and long sclerite, slightly bent and widest near middle in dorsal view.

Comments: The lectotype and two paralectotypes of E. (B.) munroi were compared with the lectotype and one paralectotype of E. (B.) dispar , and were found to represent a single species by having identical antennal modifica- tions; the former name is here treated as the junior synonym. This species is distinguished from other Eupines by its modified A10 and the median lobe containing a single sclerite ( Figs. 15 View FIGURE 15 B–J).

Distribution: North Island. AK, WO, TK. South Island. NN, BR, WD.

Additional material examined: 28 ♂♂, AK: 1, AMNZ, Manukau Murphys Bush, litter under rimu, 29/v/2005, S.E. Thorpe; WO: 1, JNPC, Tirohanga Tk., Mt. Pirongia, 20/Nov/2005, J.T. Nunn collection; TK: 1, AMNZ, Mt. Taranaki, 520 m, N Egmont Rd., 20–23/iii/2005, J.W. Early, R.F. Gilbert; NN: 1, NW Nelson Mangarakau Sc. Res., 21/Dec/1992; 13, Fenian Track, carpark, Oparara, 03/Jan/2011, ground litter in flood zone in nikau grove; BR: 3, Greymouth, Grandjeans Tk., 10/Nov/2005, R. Leschen & S. Nomura, rotten logs, 42°28'S 171°12'E; WD: 2, Doughboy Creek , 6 KM SW Mahitahi, 05/Feb/1984, J.C. Watt, sifted wood mould, 84/21; 5, Haast River Walk, 27/III/2016, forest floor litter, J. Nunn; 1, NMPC, Three Mile Lagoon, 8/xii/2012, 3.5 km SW of Okarito, 43°14.5'S 170°7.5'E, M. Fikáček, J. Hájek & R. Leschen lgt. Associated females (14 ♀♀): WO: 1, Mt. Karioi near base, 11/Oct/1981, C.F. Butcher litter, 81/96; 1, JNPC, Tirohanga Tck., Mt. Pirongia , 20/Nov/2005, J.T. Nunn collection; TK: 1, JNPC, Potaema Walk , Mt. Egmont , 09/12/95, J.T. Nunn collection; NN: 5, Fenian Track , carpark, Oparara , 03/Jan/2011, ground litter flood zone in nikau grove; WD: 2, Doughboy Creek , 6 KM SW Mahitahi, 05/Feb/1984, J.C. Watt, sifted wood mould, 84/21; 4, Haast River Walk , 27/III/2016, forest floor litter, J. Nunn GoogleMaps .

AMNZ

Auckland Institute and Museum

NMPC

National Museum Prague

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Eupines

Loc

Eupines (Byraxis) dispar ( Sharp, 1874 )

Shen, Jia-Wei & Leschen, Richard A. B. 2020
2020
Loc

Eupines (Byraxis) dispar

Shen, J. - W. & Leschen, R. A. B. 2019: 263
Maddison, P. 2010: 417
Nomura, S. & Leschen, R. A. B. 2006: 254
Hudson, G. V. 1934: 182
Hudson, G. V. 1923: 364
Raffray, A. 1904: 207
1904
Loc

Bryaxis munroi

Shen, J. - W. & Leschen, R. A. B. 2019: 270
Maddison, P. 2010: 417
Nomura, S. & Leschen, R. A. B. 2006: 255
Hudson, G. V. 1934: 183
Raffray, A. 1924: 157
Hudson, G. V. 1923: 364
Raffray, A. 1911: 83
Raffray, A. 1904: 208
Broun, T. 1893: 1046
Broun, T. 1890: 231
1890
Loc

Bryaxis dispar

Broun, T. 1880: 127
1880
Loc

Bryaxis ovalipennis

Schaufuss, L. 1880: 25
1880
Loc

Bryaxis ovalipennis

Raffray, A. 1911: 82
Schaufuss, L. 1880: 501
1880
Loc

Bryaxis dispar

Sharp, D. 1876: 277
1876
Loc

Bryaxis dispar

Sharp, D. 1874: 498
1874
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