Underside of females (18–22). 18a. I. l. limbaria ♀, Belgium: Comblain[-au-Pont]. 18b. I. l. limbaria ♀, Switzerland: Valais, district of Sierre, Val d’Anniviers. 18c. I. l. limbaria ♀, Spain: Aragon, province of Huesca, Fanlo. 19a. I. l. delimbaria ♀, France: Alpes-Maritimes, Grasse above Gourdon. 19b. I. l. delimbaria ♀, Italy: Emilia-Romagna, Tuscan-Emilian Apennines, Bologna, Monte Grande. 20. I. l. anzascaria ♀, Italy: Piedmont, Monte Rosa, Macugnaga, under Alpe Bill. 21a. I. l. rablensis ♀, Italy: Piedmont, province of Verbania-Cusio-Ossola, Valstrona, Campello Monti. 21b. I. l. rablensis ♀, Italy: Lombardy, Bergamasque Prealps, Camerata Cornello, towards Passo Grialeggio. 21c. I. l. rablensis ♀, Italy: Trentino-Alto Adige, Brentonico, [Monte Baldo]. 21d. I. l. rablensis ♀, Italy: Friuli-Venezia Giulia, Carnic Prealps, Barcis, Prescudin. 21e. I. l. rablensis ♀, Italy: Friuli-Venezia Giulia, Julian Alps, Jof Montasio. 21f. I. l. rablensis ♀, Bulgaria: Sofia, Vitoša [Vitosha]. 21g. I. l. rablensis ♀, Bulgaria: Sofia, Vitoscha [Vitosha]. 22a. I. l. roraria ♀, Slovakia: Handlová. 22b. I. l. roraria ♀, Germany: Bavaria, surroundings of 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