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New Brunswick, Charlotte Co., 10 km NW of New River Beach, 45.2110°N, 66.6170°W, 29.VI-16.VII.2010, R. Webster & C. MacKay, old growth eastern white cedar forest, Lindgren funnel traps (5, CNC, RWC).
Collection and habitat data
Larvae of Anchytarsus bicolor feed on rotten wood of submerged, water-logged logs in slow-flowing streams (LeSage and Harper 1976b; Stribling 1986). Adults of this uncommon species have been collected at lights and from under leaf litter along stream margins (LeSage and Harper 1976b). Specimens from New Brunswick were captured in Lindgren funnel traps deployed near a slow-flowing stream in an old-growth eastern white cedar (Thuja occidentalis L.) swamp. Adults were captured between late June and mid July. Elsewhere, this species has been collected from May to July (Stribling 1986).
Distribution in Canada and Alaska
- Webster, R; DeMerchant, I; 2012: New Coleoptera records from New Brunswick, Canada: Dryopidae, Elmidae, Psephenidae, and Ptilodactylidae ZooKeys, 179: 67-75. doi
- LeSage L, Harper P (1976b) Notes on the life history of the toed-winged beetle Anchytarsus bicolor (Melsheimer) (Coleoptera: Ptilodactylidae). The Coleopterists Bulletin 30: 233-238.
- Stribling J (1986) Revision of Anchytarsus (Coleoptera: Dryopodea) and a key to the New World genera of Ptilodactylidae. Annals of the Entomological Society of America 79: 219-234.
- LeSage L (1991a) Family Dryopidae: long-toed water beetles. In: Bousquet Y (Ed). Checklist of Beetles of Canada and Alaska. Publication 1861/E, Agriculture Canada, Research Branch, Ottawa, Ontario: 171-172.