Leiodes Latreille, 1797

Karns, Ken D., 2023, New state records for 33 species of round fungus beetles, small carrion beetles and mammal nest beetles (Coleoptera: Leiodidae) in Ohio, USA, Insecta Mundi 2023 (11), pp. 1-8 : 5-6

Genus Leiodes Latreille, 1797

Leiodes appalachiana Baranowski. New State Record (n = 2): OHIO: Vinton County, author’s cabin property from FIT: 7–15 May 2011 (1), 5–17 July 2014 (1).

Leiodes assimiloides Baranowski. New State Record (n = 1): OHIO: Vinton County, author’s cabin property from FIT: 25 May–1 June 2013 (1).

Leiodes autumnalis Baranowski. New State Record (n = 6): OHIO: Vinton County, author’s cabin property from FIT: 9–16 October 2011 (1), 22–29 October 2011 (1), 13–27 October 2012 (1), 9–23 November 2013 (1), 13–27 September 2014 (2). Baranowski (1993) describes L. autumnalis as a “rare and obviously very local species” with only four specimens examined from MA, NY, and VA.

Leiodes campbelli Baranowski. New State Record (n = 15): OHIO: Vinton County, author’s cabin property from FIT: 1–8 October 2011 (1), 1–10 October 2011 (1), 19–27 May 2012 (1), 23 September–7 October 2012 (3), 7–14 October 2012 (2), 14–27 October 2012 (1), 11–18 May 2013 (1), 28 May–1 June 2013 (1), 8–16 June 2013 (1), 21–28 June 2014 (1), 27 September–5 October 2014 (1), 6–12 June 2015 (1).

Leiodes collaris (LeConte) . New State Record (n = 1): OHIO: Vinton County, author’s cabin property from FIT: 12–19 May 2012 (1).

Leiodes conferta (LeConte) . New State Record (n = 2): OHIO: Vinton County, author’s cabin property from FIT: 15–27 November 2014 (1), 3–17 January 2015 (1). The eastern North American distribution for L. conferta is represented by the type specimen from Illinois and is presently known from three localities in Ontario and one in Quebec, Canada ( Baranowski 1993).

Baranowski (1993) further suggests L. conferta has its activity period very late in the year. Specimens known to him were collected from October to December. The Ohio records herein support the cool season activity of this species, which may contribute to its apparent rarity in collections.

Leiodes grandipes Baranowski. New State Record (n = 42): OHIO: Vinton County, author’s cabin property from FIT: 9–16 October 2011 (1), 5–12 November 2011 (2), 19–26 November 2011 (1), 21–29 April 2012 (1, teneral), 7–14 October 2012 (2), 13–27 October 2012 (2), 4–16 November 2012 (4), 18–25 November 2012 (3), 24 November–8 December 2012 (2), 25 May–1 June 2013 (5, teneral) 9–23 November 2013 (1), 22–29 December 2013 (1), 29 December–12 January 2013 (1), 24–31 May 2014 (2, teneral), 27 September–5 October 2014 (1), 11–18 October 2014 (2), 15–27 November 2014 (1), 29 November–13 December(2), 6–20 December(1), 23 May–6 June 2015 (1, teneral), 7–21 November 2015 (3), 22–27 November 2015 (3).

Baranowski (1993) lists the North American distribution of L. grandipes as: KY, NC, TN, VA, WV. Baranowski (1993) further states L. grandipes is “Restricted to the central Appalachian Mountains in North America”. The Ohio records herein represent the first apparent occurrence of this species outside a montane habitat. The Ohio records suggest L. grandipes has a peak activity period late September-January, with teneral specimens April-June.

Leiodes impressa Baranowski. New State Record (n = 134): OHIO: Vinton County, author’s cabin property from FIT: 23–30 April 2011 (1), 30 April–7 May 2011 (1), 7–15 May 2011 (1), 14–21 May 2011 (13), 11–26 June 2011 (1), 25 June–2 July 2011 (1), 21–29 April 2012 (1), 4–12 May 2012 (9), 19–27 May 2012 (8), 2–9 June 2012 (8), 9–16 June 2012 (4), 16–23 June (8), 7–14 July 2012 (3), 21–29 July 2012 (1), 28 July–4 August 2012 (4), 26 April–4 May 2013 (1), 4–11 May 2013 (1), 11–18 May 2013 (4), 18–25 May 2013 (1), 28 May–1 June 2013 (2), 1–8 June 2013 (5), 8–15 June 2013 (13), 30 June–7 July 2013 (1), 6–13 July 2013 (6), 12–19 July 2013 (1), 27 July–2 August 2013 (1), 10–17 May 2014 (3), 31 May–14 June 2014 (1), 21–28 June 2014 (3), 28 June–5 July 2014 (3), 15–29 November 2014 (1), 6–12 June 2015 (6), 20–27 June 2015 (1), 27 June–4 July 2015 (3), 18–25 May 2018 (2), 9–16 June 2018 (2), 15–22 June 2018 (2), 23–30 June 2018 (1), 18–25 May 2019 (2), 1–8 June 2019 (2), 9–16 April 2022 (1), 4–12 June 2022 (1). This is the most commonly encountered species in the study area.

Leiodes pygmaea Baranowski. New State Record (n = 8): OHIO: Vinton County, author’s cabin property from FIT: 2–19 November 2011 (2), 17–24 November 2011 (1), 21–28 November 2011 (1), 19–27 May 2012 (1), 9–16 August 2012 (1), 24 January–7 February 2015 (1), 25–31 July 2015 (1). The collection of L. pygmaea in Ohio represents a moderate range extension for this species previously known from: CANADA: ON. USA: NH, NY. ( Peck and Newton 2017).

Baranowski (1993) states “This is probably a rare species” with the habitat unknown and likely overwintering as an adult.

Leiodes sorenssoni Baranowski. New State Record (n = 3): OHIO: Vinton County, author’s cabin property from FIT: 14–21 September 2013 (1), 12–19 October 2013 (1), 25–31 July 2015 (1).

Leiodes stephani Baranowski. New State Record (n = 1): OHIO: Vinton County, author’s cabin property from a FIT: 8–15 June 2013 (1).