Acrobasis tumidana ([Denis & Schiffermüller], 1775)
Scarce Oak Knot-horn
62.0330 (B&F: 1435)
Previously:Conobathra tumidana ([Denis & Schiffermüller], 1775)
Acrobasis verrucella (Hübner, 1796)
Acrobasis rubritibiella (Fischer von Röslerstamm, 1839)
Immigrant and suspected episodic resident. Occurs sparingly in a few localities in both vice-counties, very rare in East Sussex. Single-brooded, flying mainly from mid July to late August. Larval foodplant has yet to be determined in Sussex, although oak has been listed elsewhere. (Pratt, 2011).