The previously recognised closely related species Graphium (Pazala) mandarinus (Oberthür, 1879) and G. (P.) sichuanica (Koiwaya, 1993) are shown to comprise seven species as a result of both molecular and morphological analysis. Molecular dating analysis is also performed on the mandarinus group in order to investigate the divergence time of the taxa. Two taxa, G. (P.) garhwalica (Katayama, 1988) stat. nov. and G. (P.) paphus (de Nicéville, 1886) stat. nov., are raised from subspecific to specific status; G. (P.) hoeneanus Cotton & Hu nom. nov., stat. rev. is separated from sichuanica at species level; and two previously unrecognised new species, G. (P.) daiyuanae Hu, Zhang & Cotton sp. nov. and G. (P.) confucius Hu, Duan & Cotton sp. nov. are described from Vietnam and China respectively, the latter being sympatric with nominate G. (P.) mandarinus. The identity of the lectotype of G. (P.) mandarinus is confirmed and a lectotype is designated for the taxon Papilio Glycerion Gray, 1831. A new subspecies of G. (P.) mandarinus is described from western Yunnan and northern Myanmar, G. (P.) mandarinus stilwelli Cotton & Hu ssp. nov.
About 10% of the Earth’s butterfly species inhabit the highly diverse ecosystems of China. Important for the ecological, economic, and cultural services they provide, many butterfly species experience threats from land use shifts and climate change. China has recently adopted policies to protect the nation’s biodiversity resources. This essay examines the current management of butterflies in China and suggests various easily implementable actions that could improve these conservation efforts. Our recommendations are based on the observations of a transdisciplinary group of entomologists and environmental policy specialists. Our analysis draws on other successful examples around the world that China may wish to consider. China needs to modify its scientific methodologies behind butterfly conservation management: revising the criteria for listing protected species, focusing on umbrella species for broader protection, identifying high priority areas and refugia for conservation, among others. Rural and urban land uses that provide heterogeneous habitats, as well as butterfly host and nectar plants, must be promoted. Butterfly ranching and farming may also provide opportunities for sustainable community development. Many possibilities exist for incorporating observations of citizen scientists into butterfly data collection at broad spatial and temporal scales. Our recommendations further the ten Priority Areas of China’s National Biodiversity Conservation Strategy and Action Plan (2011–2030).
Three Graphium species belonging to two species groups of the subgenus Pazala, the alebion and tamerlanus groups, were examined in molecular and morphological studies, and their female genitalia are reported for the first time. Their relationship with other species groups within the subgenus is assessed and their divergence times are estimated. We find that G. (P.) alebion is the first lineage to diverge within Pazala in the early Miocene (20 Ma) and that G. (P.) tamerlanus and G. (P.) parus are sister species and diverged from each other in the late Miocene (7 Ma). A revision of the four recognised taxa belonging to three species is presented, and historical misidentification of these taxa and their geographic ranges are explained.
The taxonomic status of the Pieris napi-complex and similar species which occur in China are revised. Relevant species distributed in the adjacent regions were included to clarify the status of Chinese species and were briefly revised. All those species are described and illustrated and new synonyms are established. A molecular phylogenetic analysis is also performed on the species group including similar species, to investigate the phylogenetic relationships between taxa. Species of the Pieris napi-complex that occur in China and adjacent regions are redefined, with four similar species excluded (P. melaina, P. extensa, P. chumbiensis gyantsensis and P. melete). A distribution map and keys of the complex including similar species are provided. The taxon P. mihon Yakovlev, 2006 stat. nov. is raised from subspecies to species status; P. narina Verity, 1908 stat. rev. is confirmed as a distinct species rather than a subspecies of P. ochsenheimeri; Pieris euorientis Verity, 1908 stat. rev. is recovered as a distinct species sister to P. dulcinea. Two taxa, ssp. sauron and ssp. bryonides are moved from subspecies of P. euorientis and P. bryoniae, respectively, to P. napi, i.e. P. napi sauron Yakovlev, 2004 comb. nov and P. napi bryonides Sheljuzhko, 1910 comb. rev. A new synonym is proposed: Pieris ochsenheimeri tianshansis Tadokoro, Shinkawa & Wang, 2014, new synonym of P. mihon Yakovlev, 2006. A new mistaken identification is proposed: Pieris dulcinea kneitzi is a misidentification of Pieris erutae kneitzi Eitschberger, 1983 comb. rev. Five Chinese species belonging to the Pieris napi-complex were confirmed, namely P. narina, P. mihon, P. latouchei, P. dulcinea, and P. erutae. Among them, two species, P. mihon Yakovlev, 2006 and Pieris narina Verity, 1908, are newly recorded from China. The taxonomic status of Pieris steinigeri Eitschberger, 1983 and Pieris bryoniae sifanica Grum-Grshimailo, 1895 is also discussed.
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