Arcynopteryx dichroa (McLachlan)

Grubbs, Scott A., Pessino, Massimo & DeWalt, R. Edward, 2012, Michigan Plecoptera (Stoneflies): Distribution Patterns And An Updated Species List, Illiesia 8 (18), pp. 162-173 : 168

publication ID	https://doi.org/ 10.5281/zenodo.4753235
publication LSID	lsid:zoobank.org:pub:654BDB9E-22CE-4D73-B063-56B02DD855F7
DOI	https://doi.org/10.5281/zenodo.4757381
persistent identifier	https://treatment.plazi.org/id/D66F87C9-9625-FFF2-FF68-C3B2B48E377D
treatment provided by	Felipe
scientific name	Arcynopteryx dichroa (McLachlan)
status

Treatment

Arcynopteryx dichroa (McLachlan) View in CoL

Collection records. USA, Michigan: Keweenaw Co., Lake Superior, Isle Royale , 47.9163, -89.2090, 5.V.1959, B.A. Mech, ♀, nymph (PURC); GoogleMaps same but 15.V.1959, 3♂, ♀ (PURC); GoogleMaps Lake Superior , M-26, MDOT Esrey Roadside Park, 5 mi E Eagle Harbor , 47.4688, -88.0577, 27.V.1995, S.A. Grubbs, ♂, 10 nymphs (WKU); GoogleMaps same but 9.VI.1996, 3♂, 2♀ (WKU); GoogleMaps Lake Superior , 3.5 km W Copper Harbor along MI- 26, 47.4793, -87.9363, 30.V.2010, R.E. DeWalt, M. Pessino, M.M. Brown, and E.W. Hernandez, 10♂, 18♀, 16 nymphs ( INHS) GoogleMaps .

Comments. The prior records of A. compacta from Michigan ( Grubbs & Bright 2001) now refer to A. dichroa ( Teslenko 2012) . This only Michigan records for this Holarctic-distributed species are from Lake Superior. The large series that the authors have recently collected have been from boulder habitats along the northern coast of the Keweenaw Peninsula.

Rarity status unknown

Paracapnia opis (Newman)

Collection records. USA, Michigan: Keweenaw Co., Montreal River , 8 km SE Eagle Harbor, 47.4214, - 88.0759, 4.vi.2001, S.A. Grubbs, 5♂, 29♀ ( WKU) GoogleMaps ; Marquette Co., Middle Branch Escanaba River , SW Clarksburg at CR-496, 46.4896, -87.8580, 23.III.2011, R. E. DeWalt and M. Pessino, ♂, ♀ ( INHS) GoogleMaps .

Comments. This species is known from the northern Great Lakes region east to Atlantic Canada ( Stark & Baumann 2004, DeWalt et al. 2012a). First reported from Michigan by Grubbs & Bright (2001) from the Keweenaw County locality noted above, a second population has since been obtained and more are expected with collecting efforts during early-mid spring.