Gnathoncus rotundatus
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Ordo: Coleoptera
Familia: Histeridae
Genus: Gnathoncus
Name
Gnathoncus rotundatus (Kugelann, 1792) – Wikispecies link – Pensoft Profile
- Hister rotundatus Kugelann, 1792: 304.
Type locality
Poland: Masuria: Ostróda.
Type material examined
None examined for this study. Kugelann’s collection was destroyed during the WWII (T. Huflejt, Warsaw, Poland, pers. comm). It is not known, whether it contained the type material of Hister rotundatus or not.
Additional material examined
NEW ZEALAND. North Island. CO: 1 ♂, Earnscleugh, 28.x.1979, G. McLaren (suction trap) (NZAC). HB: 2 ♂♂, Longlands, ii.1976, J.A. McLemmans (starling nest) (NZAC); 1 ♂, Cape Kindnappers, Black Reef, 10.iii.1980, C.F. Butcher & M.F. Tacker (bird’s nest) (NZAC); 1 ♀, Motupiko, 9.ix.1951, G.G. Hole (NZAC); 6 ♂♂ & 7 ♀♀, Twijford, Hawke Bay, 2.xi.1976, B.A. Holloway (poultry manure) (NZAC); 34 ♂♂ & 29 ♀♀, Hastings, Twijford Poultry Farms, 21.x.1976, B.A. Holloway (poultry manure) (NZAC). AK: 1 spec., Auckland, New Zealand, Broun Coll. (BMNH); 1 ♂, Milford, 4.iv.1979, T. Thomas (nest of Passer domesticus) (NZAC); 1 ♂, Pareora Gorge, ii.1951, L.J. Dumbleton (shag nest) (NZAC); 1 ♂, Lynfield, 14.xii.1980, G. Kuschel (hen house) (NZAC); 1 spec., ditto, but 7.iii.1977 (sheep) (NZAC); 1 ♀, ditto, but 27.ii.1978, B.A. Holloway (guinea pig den material) (NZAC); 1 ♀, Kumeu, 21.vi.1975, J.C. Watt (ex fowl manure) (NZAC); 4 ♂♂ & 4 ♀♀, Nelson, 29.i.1971, E.W. Valentine (NZAC). South Island. 1 spec., Addington, Christchurch, 14.ix.1969, M.G. McPherson (inside house) (NZAC); 1 spec., Lincoln College, 18.i.1967, C. Boswell (NZAC); 2 specs., ditto, but 22.xii.1966 (NZAC); 1 spec., ditto, but 19.xi.1966 (NZAC); 2 specs., Prebbleton, 21.ix.1968, R.J. McPherson (ex fowl manure) (NZAC). DN: 6 specs., Otago Peninsula, Tairoa Head, 26.iii.1970, J.R. Jackson (ex Larus dominicanus or Phalacrocorax punctatus nest) (NZAC); 1 spec., Lincoln College, Hilgendorf wing, 8.x.1973, R.D. Welsh (ex window) (NZAC). MC: 2 specs., Banks Penisula, Murrays Mistake, 10.i.1970, J.R. Jackson (ex Phalacrocorax punctatus nest) (LUNZ); 1 spec., Hawkes Bay, Mangaome River, Dartnoor, 28.i.1959, B.M. May (on shingle) (NZAC); 1 spec., Lincoln College, 29.xii.1966, C.C. Boswell (NZAC); 1 ♀, ditto, but 18.vi.1967 (NZAC); 1 ♂, Rangiara, 7.xi.1947, D. Spiller (NZAC); 1 ♀, Maharoa, 9.xii.1941, J. Spiller (ex copra) (NZAC). Unknown localities: 1 ♂, no data (NZAC); 1 spec., Rakaia, 20.ii.1912, Broun Coll. (BMNH). AUSTRALIA. Tasmania: 1 ♂ & 1 ♀, Launceston, 4 & 9.ii.1915, Littler Collection (NZAC). Australian Capital Territory: 2 ♂♂, Lyneham, 5.iv.1969, B.P. Moore, garden compost (ANIC).
Biology
A typical synanthrope, found mainly in anthropogenic settings, but also apparent inquiline of bird’s nests.
Distribution
Holarctic Region, Republic of South Africa, Chile, Saint Paul Island (Mazur 2011[1]). From New Zealand reported already by Kuschel (1990)[2], newly reported here for Australia (Fig. 754).
Remarks
This is a widely distributed species exhibiting some degree of variability regarding the length of elytral striae and density of dorsal punctation. Most important diagnostic characters to separate the two Gnathoncus species present in the region are outlined in the identification key. We chose not to fully re-describe Gnathoncus rotundatus here, the reader is instead referred to Lackner (2010[3]: 118) for the detailed re-description. For the sake of better species recognition, as well as for easier separation from the related G. communis, we decided to depict it here, including its male terminalia.
Taxon Treatment
- Lackner, T; Leschen, R; 2017: A monograph of the Australopacific Saprininae (Coleoptera, Histeridae) ZooKeys, (689): 1-263. doi
Images
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![Figures 103–110. 103 Gnathoncus rotundatus (Kugelann, 1792) male terminalia after Ôhara (1994)[4]: 8th sternite, ventral view 104 male terminalia: 8th sternite + 8th tergite, dorsal view 105 ditto, lateral view 106 male terminalia: 9th + 10th tergites, dorsal view 107 ditto, lateral view 108 male terminalia: spiculum gastrale, ventral view 109 male terminalia: aedeagus, dorsal view 110 ditto, lateral view.](/wiki/File:Zookeys-689-001-g019.jpg)
Other References
- ↑ Mazur S (2011) A concise catalogue of the Histeridae (Coleoptera). Warsaw University of Life Sciences, SGGW Press, Warsaw 332 pp.
- ↑ Kuschel G (1990) Beetles in suburban environment, a New Zealand case study. The identity and status of Coleoptera in the natural and modified habitats of Lynfield, Auckland (1974–1989). DSIR Plant Protection Report, DSIR Plant Protection publishing, 118 pp.
- ↑ Lackner T (2010) Review of the Palaearctic genera of Saprininae (Coleoptera: Histeridae). Acta Entomologica Musei Nationalis Pragae, 50 (Supplementum): 1–254.
- ↑ Ôhara M (1994) A revision of the superfamily Histeroidea of Japan (Coleoptera). Insecta Matsumurana (N. S. ) 51: 1–238.
