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      Four new species of Metapocyrtus Heller, 1912 (Coleoptera, Curculionidae, Entiminae, Pachyrhynchini) from Mindanao Island, Philippines

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          Abstract

          Background

          The genus Metapocyrtus Heller, 1912 is the most speciose and complex amongst the tribe Pachyrhynchini with seven subgenera and more than 200 described species. The genus is endemic to the Philippines and remains largely unknown particularly in the less explored areas or mountains.

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          Four new species of Metapocyrtus Heller, 1912 ( Coleoptera , Curculionidae , Entiminae , Pachyrhynchini ), are described from Mindanao Island, Philippines. Brief bionomical notes and mimicry with their sympatric beetles and other insect counterparts are also reported.

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          Most cited references14

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          The Functional Significance of Aposematic Signals: Geographic Variation in the Responses of Widespread Lizard Predators to Colourful Invertebrate Prey

          Conspicuous colouration can evolve as a primary defence mechanism that advertises unprofitability and discourages predatory attacks. Geographic overlap is a primary determinant of whether individual predators encounter, and thus learn to avoid, such aposematic prey. We experimentally tested whether the conspicuous colouration displayed by Old World pachyrhynchid weevils (Pachyrhynchus tobafolius and Kashotonus multipunctatus) deters predation by visual predators (Swinhoe’s tree lizard; Agamidae, Japalura swinhonis). During staged encounters, sympatric lizards attacked weevils without conspicuous patterns at higher rates than weevils with intact conspicuous patterns, whereas allopatric lizards attacked weevils with intact patterns at higher rates than sympatric lizards. Sympatric lizards also attacked masked weevils at lower rates, suggesting that other attributes of the weevils (size/shape/smell) also facilitate recognition. Allopatric lizards rapidly learned to avoid weevils after only a single encounter, and maintained aversive behaviours for more than three weeks. The imperfect ability of visual predators to recognize potential prey as unpalatable, both in the presence and absence of the aposematic signal, may help explain how diverse forms of mimicry exploit the predator’s visual system to deter predation.
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            A World Catalogue Of Families And Genera Of Curculionoidea Insecta:Coleoptera) (Excepting Scolytidae and Platypodidae)

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              A monograph of the pachyrrhynchid group of the Brachyderinae, Curculionidae: Part III. The genera Apocyrtidius Heller and Metapocyrtus Heller

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                Author and article information

                Contributors
                Journal
                Biodivers Data J
                Biodivers Data J
                1
                urn:lsid:arphahub.com:pub:F9B2E808-C883-5F47-B276-6D62129E4FF4
                urn:lsid:zoobank.org:pub:245B00E9-BFE5-4B4F-B76E-15C30BA74C02
                Biodiversity Data Journal
                Pensoft Publishers
                1314-2836
                1314-2828
                2021
                28 September 2021
                : 9
                : e72453
                Affiliations
                [1 ] University of Mindanao, Davao City, Philippines University of Mindanao Davao City Philippines
                Author notes
                Corresponding author: Analyn Anzano Cabras ( ann.cabras24@ 123456umindanao.edu.ph ).

                Academic editor: Jennifer C. Girón Duque

                Author information
                https://orcid.org/0000-0002-0980-1651
                https://orcid.org/0000-0001-6858-8048
                Article
                72453 17511
                10.3897/BDJ.9.e72453
                9341918
                d0aebe0a-898a-43c9-829f-aa606c026f7a
                Analyn Anzano Cabras, Milton Norman Medina

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 01 August 2021
                : 01 September 2021
                Page count
                Figures: 9, Tables: 0, References: 13
                Categories
                Taxonomic Paper
                Animalia
                Systematics
                Asia

                davao de oro,mimicry,mindanao island,pachyrhynchini,urban biodiversity,weevils

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