NEW BRUNSWICK: Kent Co.: Kouchibouguac National Park, 13.IX.1977, J.M. Campbell, CNC. NEWFOUNDLAND: Little Grand Lake, 2 km east of Martin Pond, 15.VII-25.VIII.1992, old fir forest, pitfall trap, (1, MUN). NOVA SCOTIA: Guysborough Co.: Seloam Lake, 2-15.VI.1997, D.J. Bishop, red spruce forest, flight-intercept trap, (1, NSMC); Inverness Co.: MacKenzies Mtn., 4.VI.1983, R. Vockeroth, pan trap, (1, CNC); MacKenzies Mtn., 27-29.VIII.1983, M. Sharkey, (1, CNC); MacKenzies Mtn., 18.IX.1983, J.M. Campbell and A. Davies, sifting mosses, (1, CNC); Victoria Co.: North Mtn., VIII.1983, D.E. and J.E. Bright, (1, CNC); Yarmouth Co.: Wellington, 12-20.VIII.1991, J. Cook, coastal forest, flight-intercept trap, (1, JCC).
Agathidium mollinum is newly recorded in New Brunswick, Newfoundland, Nova Scotia, and in Atlantic Canada ( Fig. 7). It was recorded from birch, fir, maple, and conifer litter and from a fern rhizome. Host records include the slime molds Cribraria purpurea Schrad., Diderma floriforme (Bull.) Pers., and Stemonitis axifera (Bull.) T. Macabr. ( Miller and Wheeler 2005).