Dyschirius melancholicus Putzeys, 1867

Bousquet, Yves, 2012, Catalogue of Geadephaga (Coleoptera, Adephaga) of America, north of Mexico, ZooKeys 245, pp. 1-1722 : 299-300

Dyschirius melancholicus Putzeys, 1867

Dyschirius melancholicus Putzeys, 1867b: 41. Type locality: «Daourie» (original citation). Holotype [by monotypy] probably in IRSN.

Dyschirius helleni J. Müller, 1923: 78. Type locality: "Dudinka [Taimyr Autonomous Okrug, Russia]" (original citation). Lectotype, designated by Fedorenko (1996: 148), in MSNT. Synonymy established by Fedorenko (1990: 37). Etymology. The specific name was proposed for Wolter Hellén [1890-1979], curator at the Zo ological Museum of the University of Helsinki, excellent collector, and specialist on parasitic Hymenoptera of the Finnish fauna.

Dyschirius norvegicus Munster, 1923b: 249. Type locality: «Sørum i Våge (antagelig i Tromsdalen) ved Tromsø og Gorzzejok i Karasjok" (original citation), restricted to «Sörum, Vågå, Norway" by Lindroth (1961a: 153). Syntype(s) [4 originally cited] location unknown (possibly in ZMUO). Synonymy established, under the name Dyschirius helleni Müller, by Hellén (1934: 52), confirmed by Fedorenko (1990: 37).

Dyschirius secretus Fall, 1926a: 130. Type locality: "Anchorage, Alaska" (original citation). Holotype (♀) in MCZ [# 23854]. Synonymy established, under the name Dyschirius helleni Müller, by Lindroth (1954b: 122).

Distribution.

This Holarctic species ranges from Scandinavia (Balkenohl 2003: 226) to the Hudson Bay in northeastern Manitoba (Garry 1993: 94, as Dyschirius nigricornis ). Fossil remnants, dated between 10,800 and 20,530 years B.P., have been unearthed in central North Dakota (Ashworth and Schwert 1992: 260), northeastern Iowa (Schwert 1992: 76; Woodman et al. 1996: 17), and southeastern Iowa (Baker et al. 1986: 96).

Records.

CAN: MB, NT, NU, YT USA: AK - Holarctic

Note.

This species has long been known under the name Dyschirius nigricornis Motschulsky, 1844 in the North American literature.