Deltometopus amoenicornis (Say, 1836)
NEW BRUNSWICK: Kent Co.: Kouchibouquac National Park, 27-29.ix.1977, I. Smith, CNC; York Co.: Fredericton, 16.vii.1928, W.J. Brown, (2), CNC. NOVA SCOTIA: Colchester Co.: Debert, 30.vii.1994, E. Georgeson, NSNR; Debert, 4.viii.1993, E. Georgeson, (2), NSNR; Portapique, CNC; Cumberland Co.: Eatonville, 9.vii.1955, D.C. Ferguson, NSMC; Halifax Co.: Point Pleasant Park, 20.vii2002, C.G. Majka, in small marsh, CGMC; Hants Co.: Smiley's Provincial Park, 30.vii.2004, D. MacDonald, flight-intercept trap, NSNR; Inverness Co.: Lone Shieling, 18-21.vii.1983, D.E. Bright, flight-intercept trap, CNC; Lone Shieling, 9.viii.1983, J.E.H. Martin, CNC; Kings Co.: Gaspereau Lake near Welton Landing, 14.vii.2006, D.H. Webster, flying near woods, DHWC. PRINCE EDWARD ISLAND: Kings Co.: Woodville Mills, 23.vii.2001, C.G. Majka, coniferous forest, CGMC; Queens Co.: Cavendish, 19.vii.2001, C.G. Majka, on seashore vegetation, CGMC; St. Patricks, 14.vii.2002, C.G. Majka, along small stream in mixed forest, CGMC .
Newly recorded on Prince Edward Island (Fig. 4). Breeds in many species of deciduous trees; possibly also in conifers. Reared from decayed Fagus grandifolia . (Muona 2000). This is the commonest eucnemid in eastern North America (Muona 2000) .