LITERATURE. — Green & Sayer (1979); Holyoak & Seddon (1989); Thonnérieux et al. (1989); Dowsett (1993); Balanca & de Visscher (1997); Borrow & Demey (2001, 2014); Portier (2002b, c); Balanca et al. (2007); Sinclair & Ryan (2010); Pavia et al. (2012); Dowsett et al. (2013).
MUSEUM MATERIAL. — MCCI 3220, 3372.
FIELD DATA. — eBird; GBIF; WABD.
STATUS. — Resident.