Atheta (Datomicra) acadiensis Klimaszewski and Majka

Klimaszewski, Jan, Chandler, Donald S., Davies, Anthony & Bourdon, Caroline, 2023, Aleocharine rove beetles of New Hampshire, USA: new taxa and new records (Coleoptera, Staphylinidae, Aleocharinae), Zootaxa 5364 (1), pp. 1-141 : 21-22

30. Atheta (Datomicra) acadiensis Klimaszewski and Majka

(Illustrations in Klimaszewski and Majka 2007, Klimaszewski et al. 2018), Table 1

References. Klimaszewski and Majka 2007. Majka and Klimaszewski 2010. Klimaszewski et al. 2010, 2018.

Distribution. Nearctic. Canada: NB, NF, NS, PE, QC. USA (NCR): ME (NSR), NH (NSR).

Collection and Habitat data. In ME and NH found in beach wrack and marsh grasses. In Canada found in intertidal habitats; sandy sea beaches, upper margin of sea beach, salt marshes on bare clay among Spartina , and intertidal sand/clay areas behind barrier beaches. Adults are common in decaying sea wrack and seaweeds, sea grass debris on the sand or gravel at the upper margins of sea beaches; some in dry beach-drift material at the top of the littoral zone ( Klimaszewski et al. 2018).

Material. USA, Maine, Waldo Co. : Moose Point St. Pk., 29.V.1982, D.S. Chandler, sift beach wrack, 1 male . New Hampshire, Rockingham Co.: Newcastle Common , 12.V.1982, D.S. Chandler, sift beach wrack, 2 females, 2 sex? Odiorne Point St. Pk., 15.V.1982, sift beach wrack, 1 male, 1 sex ?; 15.VI.1982, sift beach wrack, 2 males, 2 females, 2 sex ?; 22.IX.2007, sweep, D.S. Chandler, 1 male . Seabrook backdunes, 3.VIII.1989, sift marsh grass, 1 male, 1 female ; 1.VII.1989, D.S. Chandler, sift marsh grass, 1 female.