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      Observations on the Isturgia limbaria (Fabricius, 1775) / roraria (Fabricius, 1776) complex (Lepidoptera, Geometridae, Ennominae)

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      Nota Lepidopterologica

      Pensoft Publishers

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          Abstract

          The Isturgia limbaria (Fabricius, 1775)/roraria (Fabricius, 1776) complex is analyzed, taking into consideration the external morphology of the adults (coloration and pattern of upperside and underside of wings), the morphology of the female genitalia (signum and lamella postvaginalis), of the tympanal organs and of the preimaginal stages, as well as molecular data. Based on the molecular data and morphology of signum and tympanic organs, the populations of this complex can be divided into two groups, one more western (with the taxa limbaria s. str. and delimbaria), distributed east to north-western Italy and part of Germany, and one more eastern (with the taxa roraria s. str., rablensis and anzascaria), distributed west to northern and eastern Piedmont (Italy) and north-eastern and south-eastern Germany. However, there are no consistent differences between the two groups in the diagnostic characters used until now to identify the two taxa (pattern of the wing upperside and underside). Although there is a considerable genetic distance between these two groups, the correlation between molecular differences and morphological characters (size of the signum and presence ̶ or absence ̶ of a roundish lobe in the bullae tympani) is not completely constant and the two groups of populations are not completely separated from each other: some populations of the northern Apennines (taxon delimbaria) cannot be clearly attributed to one or the other group. In the absence of constant morphological characters associated with the molecular differences and in the presence of Italian populations with intermediate characters, we suggest that the different taxa of this complex be considered as subspecies of the same species, as already proposed by Povolný and Moucha (1957, 1959). However, the data available do not allow definitive clarification of the taxonomic problem and further research is necessary.

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          An inexpensive, automation-friendly protocol for recovering high-quality DNA

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            Geometrid Moths of the World

             MJ Scoble (1999)
            The Geometridae is one of the most species-rich families of Lepidoptera. This book is the first comprehensive catalogue of the 35 000 names of these insects. The primary purpose of the work is to provide a substantial body of taxonomic information, much of it previously unpublished, on the available names of the Geometridae. The catalogue is based on the most complete world classification of the geometrids, the card index to genera and species in The Natural History Museum, London. The two volumes include information on type specimens, type localities and, where possible, larval foodplants. A CD-ROM listing all species referred to in the two text volumes is included with the package and will be of great value to verify valid names and to check spelling.
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              The Geometrid Moths of Europe

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                Author and article information

                Journal
                Nota Lepidopterologica
                NL
                Pensoft Publishers
                2367-5365
                0342-7536
                August 04 2020
                August 04 2020
                : 43
                : 227-251
                Article
                10.3897/nl.43.46559
                © 2020

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