Abstract
Two new lineages CAN-5 and CAN-6 were recognised in four populations of Monachacantiana (Montagu, 1803) s.l. from the Italian Apuan Alps by joint molecular and morphological analysis. They are different from other M.cantiana lineages known from English, Italian, Austrian and French populations, i.e. CAN-1, CAN-2, CAN-3 and CAN-4, as well as from the other Italian Monacha species used for comparisons (M.parumcincta and M.cartusiana). Although a definite taxonomic and nomenclatural setting seems to be premature, we suggest that the name or names for these new lineages as one or two species should be found among 19th century names (Helixsobara Mabille, 1881, H.ardesa Mabille, 1881, H.apuanica Mabille, 1881, H.carfaniensis De Stefani, 1883 and H.spallanzanii De Stefani, 1884).
Highlights
Study of the phylogeography of the Monacha cantiana (Montagu, 1803) s.l. by joint molecular and morphological analysis revealed a number of cryptic lineages, some of which might deserve distinct taxonomic status
We have studied some populations from the Apuan Alps at the north-western extremity of Tuscany, a well-known hotspot of diversity and endemism (Lanza 1997; Biondi et al 2013; Garbari and Bedini 2014; Carta et al 2017; Orsenigo et al 2018)
Eight c oxidase subunit 1 (COI) and 12 16S ribosomal DNA (16SrDNA) haplotypes were recognised among them (Table 1)
Summary
Study of the phylogeography of the Monacha cantiana (Montagu, 1803) s.l. by joint molecular and morphological analysis revealed a number of cryptic lineages, some of which might deserve distinct taxonomic status. Examination of a first group of English, Italian, Austrian and French populations showed that it consisted of at least four distinct lineages (CAN-1, CAN-2, CAN-3, CAN-4) (Pieńkowska et al 2018). One of these lineages (CAN-1) included most of the UK (5 sites) and Italian (5 sites) populations examined. The lineage CAN-1 corresponds to the true M. cantiana (Montagu, 1803) because it is the only one that includes topotypical English populations. A definitive frame for the other two has been postponed because it requires much more research
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