Diarsia florida
Introduction '''''Diarsia florida''''', the '''fen square-spot''', is a moth of the family Noctuidae. The species was first described by Schmidt in 1859.It is found from western Europe, Denmark, southern Norway and southern Sweden, east to Romania and Siberia. Subspecies ''perturbata'' is found in south-eastern Turkey.The wingspan is about 34 mm. The ab. ''florida'' Schmidt (10 c) appears to be only a brightly coloured and well-marked form  of ''Diarsia rubi'' . It may be a fenland ecotype of ''rubi''. The larvae feed on ''Athyrium'', ''Betula'', ''Calluna'', ''Caltha'', ''Lamium'', ''Primula'', ''Rubus'', ''Rumex'', ''Scrophularia'', ''Struthiopteryx'', ''Vaccinium'' and ''Urtica'' species.
Subspecies *''Diarsia florida florida''*''Diarsia florida perturbata'' (south-eastern Turkey)
Similar species ''Diarsia florida'' is difficult to certainly distinguish from its congeners. See Townsend et al. *''Protolampra sobrina'' (Duponchel, 1843) *''Diarsia mendica''  ssp. ''mendica'' (Fabricius, 1775) *''Diarsia mendica'' ssp. ''thulei'' (Staudinger, 1891) *''Diarsia mendica'' ssp. ''orkneyensis'' (Bytinski-Salz, 1930) *''Diarsia rubi'' (Vieweg, 1790)
References
External links ** ''Lepiforum e.V.''