Variability of the signum. 30. I. l. limbaria, Belgium: Comblain[-au-Pont]. 31a. I. l. delimbaria, France: Alpes-Maritimes, Grasse above Gourdon. 31b. I. l. delimbaria, Italy: Emilia-Romagna, Tuscan-Emilian Apennines, Bologna, Bologna, Corno alle Scale, Passo del Vallone. 31c. Italy: Emilia-Romagna, Tuscan-Emilian Apennines, Bologna, Bologna, Corno alle Scale. 32. I. l. anzascaria, Italy: Piedmont, Monte Rosa, Macugnaga, under Alpe Bill. 33a. I. l. rablensis, Italy: Veneto, Monte Baldo, Bocca di Navene. 33b. I. l. rablensis, Bulgaria: Sofia, Vitoscha [Vitosha]. 34. I. l. roraria, Germany: Bavaria, Spalt.

 
 
  Part of: Flamigni C, Fiumi G (2020) Observations on the Isturgia limbaria (Fabricius, 1775) / roraria (Fabricius, 1776) complex (Lepidoptera, Geometridae, Ennominae). Nota Lepidopterologica 43: 227-251. https://doi.org/10.3897/nl.43.46559