Crassa unitella (Hübner, 1796)
28.0140 (B&F: 642)
Previously:Batia unitella (Hübner, 1796)
Crassa fuscoaurella (Haworth, 1828)
Crassa arietella (Zeller, 1839)
Resident. Usually seen in small numbers at mv light in deciduous woods. Adults fly mainly from late June to mid August. Elsewhere, larvae have been found feeding on dead wood and fungi under bark (Pratt, 2011).