Variability of the bullae tympani (bars point at the rounded lobes). 28a. I. l. delimbaria ♀, France: Alpes-Maritimes, Grasse above Gourdon. 28b. I. l. delimbaria ♀, Italy: Liguria, Ligurian Apennines, Maissana, road to Passo del Bocco di Bargone. 28c. I. l. delimbaria ♀, Italy: Emilia-Romagna, Tuscan-Emilian Apennines, Bologna, Bologna, Corno alle Scale, Passo del Vallone. 29. I. l. rablensis ♀, Italy: Piedmont, province of Verbania-Cusio-Ossola, Valstrona, Campello Monti.

 
 
  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