Topic
Cryptocephalus
About: Cryptocephalus is a research topic. Over the lifetime, 94 publications have been published within this topic receiving 405 citations.
Papers published on a yearly basis
Papers
TL;DR: The taxa of Cryptocephalinae (Clytrini), Synetinae and part of Galerucinae introduced by Carl Peter Thunberg are reviewed based on the examination of primary type specimens deposited in the Museum of Evolution, Uppsala University.
Abstract: The taxa of Cryptocephalinae (Clytrini), Synetinae and part of Galerucinae introduced by Carl Peter Thunberg are reviewed based on the examination of primary type specimens deposited in the Museum of Evolution, Uppsala University. The following taxonomic changes are proposed: Coptocephala unifasciata unifasciata (Scopoli, 1763) = Cryptocephalus melanocephalus Thunberg, 1787 syn. nov.; Melitonoma decemnotata (Thunberg, 1787) comb. nov. (from Cryptocephalus Geoffroy, 1762); Miopristis flexuosa (Thunberg, 1821) = Miopristis namaquensis Medvedev, 1993 syn. nov.; Protoclytra (Lacordairella) taeniata (Thunberg, 1821) comb. nov. (from Camptolenes Chevrolat, 1836) = Camptolenes fastuosa (Lacordaire, 1848) syn. nov.; Smeia undata (Thunberg, 1821) comb. nov. (from Miopristis Lacordaire, 1848) = Smeia virginea (Lacordaire, 1848) syn. nov. = Melitonoma pictipennis Jacoby, 1898 syn. nov.; Teinocera catenata (Thunberg, 1821) comb. nov. (from Miopristis ) = Teinocera subclathrata (Lacordaire, 1848) syn. nov.; Exosoma lusitanica (Linnaeus, 1767) = Crioceris haemorrhoa Thunberg, 1827 syn. nov.; Megalognatha festiva (Fabricius, 1781) = Crioceris virens Thunberg, 1827 syn. nov.; Monolepta bioculata (Fabricius, 1781) = Cryptocephalus bioculatus Thunberg, 1827 syn. nov.; Monolepta melanogaster (Wiedemann, 1823) = Cryptocephalus capensis Thunberg, 1827 syn. nov.; Palaeophylia tricolor (Fabricius, 1781) = Crioceris tetrapuncta Thunberg, 1787 syn. nov. = Crioceris dimidiata Thunberg, 1827 syn. nov. Lectotypes are designated for Cryptocephalus bioculatus Thunberg, 1827 and Crioceris dimidiata Thunberg, 1827. Melitonoma decemnotata comb. nov. is redescribed. Labidostomis insidiosa Peringuey, 1888 is resurrected from synonymy with Teinocera catenata comb. nov. and provisionally placed as a valid species in the genus Miopristis Lacordaire, 1848. Crioceris betulina Thunberg, 1787 is proposed as nomen oblitum for Syneta betulae (Fabricius, 1792) (nomen protectum). Colour photographs of the type specimens of all taxa are provided.
96 citations
TL;DR: The first updated checklist of Balearic leaf beetles (Chrysomelidae) since 1960 is presented, evincing the presence of 118 species, clearly lower than the 141 species reported in the only list available to date and the dissimilarity is even more pronounced if the authors take into account that 22 new species have been added during this period.
Abstract: The first updated checklist of Balearic leaf beetles (Chrysomelidae) since 1960 is presented here, evincing the presence of 118 species. This estimation is clearly lower than the 141 species reported in the only list available to date (Jolivet, 1953), and the dissimilarity is even more pronounced if we take into account that 22 new species have been added during this period. The possible explanations for these differences are discussed. The main island in the archipelago holds most of the species (Mallorca, 113 spp.), followed by Menorca (71 spp.), Eivissa (39 spp.) and Formentera (19 spp.). Thus, the Gymnesian islands (Mallorca and Menorca) are more species-rich than the Pityusic ones (Eivissa and Formentera). The number of species per island is significantly correlated with their respective areas not only for the Balearic but also for the much larger western Mediterranean islands of Corsica and Sardinia, and these abundances are not related with their nearness to the closest mainland. Among the different subfamilies and tribes, the Balearic flea-beetles (Alticinae) are clearly more prevalent whereas on the contrary, the Clytrini are less represented in comparison with the nearest mainland (Iberian Peninsula). The presented checklist includes four endemic species, Cryptocephalus majoricensis (Mallorca, Menorca and Formentera), C. tramuntanae (Mallorca), Cyrtonus majoricensis (Mallorca) and Timarcha balearica (Mallorca and Menorca). Furthermore, two adventitious species, Monoxia obesula and Epitrix hirtipennis of North American origin, have been reported for the first time in the Balearic Islands, in agreement with previous findings in other Mediterranean countries.
90 citations
TL;DR: Develop and compare optimal thresholds for distance-based identifications estimated at family and subfamily level, minimizing false positives and false negatives, and confirm that group-specific thresholds significantly improve molecular identifications.
Abstract: Leaf beetles (Coleoptera: Chrysomelidae), with more than 37,000 species worldwide and about 2,300 in the Euro-Mediterranean region, are an ecological and economical relevant family, making their molecular identification of interest also in agriculture. This study, part of the Mediterranean Chrysomelidae Barcoding project (www.c-bar.org), aims to: (i) develop a reference Cytochrome c oxidase I (COI) library for the molecular identification of the Euro-Mediterranean Chrysomelidae; (ii) test the efficiency of DNA barcoding for leaf beetles identification; (iii) develop and compare optimal thresholds for distance-based identifications estimated at family and subfamily level, minimizing false positives and false negatives. Within this study, 889 COI nucleotide sequences of 261 species were provided; after the inclusion of information from other sources, a dataset of 7,237 sequences (542 species) was analysed. The average intra-interspecific distances were in the range of those recorded for Coleoptera: 1.6–24%. The estimated barcoding efficiency (~94%) confirmed the usefulness of this tool for Chrysomelidae identification. The few cases of failure were recorded for closely related species (e.g., Cryptocephalus marginellus superspecies, Cryptocephalus violaceus - Cryptocephalus duplicatus and some Altica species), even with morphologically different species sharing the same COI haplotype. Different optimal thresholds were achieved for the tested taxonomic levels, confirming that group-specific thresholds significantly improve molecular identifications.
36 citations
32 citations
TL;DR: The Evolution of Cryptocephalus leaf beetles related to C. sericeus (Coleoptera: Chrysomelidae) and the role of hybridization in generating species mtDNA paraphyly is studied.
Abstract: This work was initiated under the sponsorship of the Alexander von Humboldt Fellowship to JGZ, and it received funding from project BA 2152/5-1 of the Deutsche Forschungsgemeinschaft (DFG) and from project CGL2008-00007 of the Spanish Ministry of Science and Innovation.
24 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2021 | 3 |
| 2020 | 2 |
| 2019 | 3 |
| 2018 | 5 |
| 2017 | 4 |
| 2016 | 3 |