Main Article Content
Two new species and a new subspecies of easter egg weevils from Eastern Mindanao, Philippines are described; Pcahyrhynchus mandaya Agbas, Obrial, Pajota, & Cabras sp. nov., Pachyrhynchus mandaya maragusanensis Agbas, Obrial, Cabras ssp. nov., and Pachyrhynchus jhonnelvillegasi Agbas, Obrial, Medina, Cabras sp. nov. Brief notes of species ecology and variability are also presented.
Article Details
Agbas D.J., Obrial G.G., Cabras A.A. 2024. Two new flightless weevils in the genus Metapocyrtus Heller (Coleoptera: Curculionidae: Entiminae) from Mt. Candalaga, Davao de Oro, Mindanao Island, Philippines. Baltic Journal of Coleopterology 24(2): 251–265.
Bollino M. 2022. Three new species of Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae) from Mindanao Island, the Philippines, with taxonomical notes. Zootaxa 5116(4): 504–516. https://doi.org/10.11646/zootaxa.5116.4.2
Bollino M., Sandel F. 2015. Three new species of the genus Pachyrhynchus Germar, 1824 from Lubang Island (Philippines) (Curculionidae: Entiminae: Pachyrhynchini). Munis Entomology and Zoology Journal 10(2): 392–401.
Bollino M., Sandel F., Rukmane A. 2017. New species of the genus Pachyrhynchus Germar, 1823 (Coleoptera: Curculionidae) from Mindanao, Philippines. Baltic Journal of Coleopterology 17(2): 189–204.
Cabras A.A., Medina M.N.D., Torrejos C., Pajota E.L., Pepito M.J., Ceballos R., Rukmane A. 2022. Annotated list of Pachyrhynchini (Coleoptera: Curculionidae: Entiminae) in Davao City, Mindanao, Philippines. Check List 18(4): 799–814. https://doi.org/10.15560/18.4.799
Cabras A.A., Dela Cruz R. 2016. DNA barcoding of selected Pachyrhynchus species (Coleoptera: Curculionidae) from Mt. Apo Natural Park, Philippines. Acta Biologica Universitatis Daugavpiliensis 16(1): 111–118.
Cabras A.A., Rukmane A. 2016. A new species of Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Entiminae). Acta Biologica Universitatis Daugavpiliensis 16(1): 123–127.
Cabras A.A., Baul M., Villanueva R.J., Medina M.N. 2022. Pachyrhynchus panumanon sp. nov., a new species of Easter egg weevil (Coleoptera: Curculionidae: Entiminae: Pachyrhynchini) from northern Mindanao, Philippines. Baltic Journal of Coleopterology 3(1): 88–97.
Critical Ecosystem Partnership Fund. 2001. The Philippines Hotspot. pp. 9–10.
Fu L., Monro A.K., Yang T., Wen F., Pan B., Xin Z., Zhang Z., Wei Y. 2021. Elatostema qinzhouense (Urticaceae), a new species from limestone karst in Guangxi, China. PeerJ 9: e11148. https://doi.org/10.7717/peerj.11148
Heller K.M. 1912. Philippinische Rüsselkäfer. Philippine Journal of Science D7(5): 295–346; 7(6): 347–403, pls I–II.
Heller K.M. 1921. New Philippine Coleoptera. Philippine Journal of Science 19(5): 523–549.
Heller K.M. 1924a. Neue philippinische Bock- und Rüsselkäfer aus der Sammlung von Prof. C. F. Baker. Wiener Entomologische Zeitung 41: 163–180.
Heller K.M. 1924b. Neue philippinische Rüsselkäfer aus der Sammlung des Herrn Prof. C. F. Baker und Herrn Angelo Solari in Genova. Memorie della Società Entomologica Italiana 3: 181–200 + 1 pl.
Huang L.C., Huang W.S., Lin C.P., Nuñeza O.M., Tseng H.Y., Tang H.C. 2018. Captive breeding of two insular populations of Pachyrhynchus sarcitis (Coleoptera: Curculionidae) from Lanyu and Babuyan Islands. Journal of Asia-Pacific Entomology 21(4): 1233–1238.
McKenna D.D., Shin S., Ahrens D., Balke M., Beza-Beza C., Clarke D.J., Donath A., Escalona H.E., Friedrich F., Letsch H., Liu S., Maddison D., Mayer C., Misof B., Murin P.J., Niehuis O., Peters R.S., Podsiadlowski L., Pohl H., Scully E.D., Yan E.V., Zhou X., Ślipiński A., Beutel R.G. 2019. The evolution and genomic basis of beetle diversity. Proceedings of the National Academy of Sciences USA 116(49): 24729–24737. https://doi.org/10.1073/pnas.1909655116
Obrial G.G., Agbas D.J., Medina M.N., Cabras A.A. 2024. Three new mimetic weevils (Coleoptera: Curculionidae: Entiminae) from Mt. Candalaga, Davao de Oro, Mindanao Island, Philippines. Zootaxa 5541(4): 438–454. https://doi.org/10.11646/zootaxa.5541.4.2
Parisotto A.P., Steiner U., Cabras A.A., Van Dam M.H., Bodo D.W. 2022. Pachyrhynchus weevils use 3D photonic crystals with varying degrees of order to create diverse and brilliant displays. Small 18(20). https://doi.org/10.1002/smll.202200592
Patano R.R., Amoroso V.B., Coritico F.P., Cleofe C.M.B., Rukmane-Barbale A. 2022. Pachyrhynchus cebrem sp. nov.: A new species of Easter egg weevil (Curculionidae: Entiminae: Pachyrhynchini) from Davao de Oro, Philippines. Philippine Journal of Systematic Biology 16(1): 50–53.
Philippine Eagle Foundation, Conservation International–Philippines, Department of Environment and Natural Resources. 2008. Eastern Mindanao Biodiversity Corridor Conservation Framework. Davao City. 95 pp.
Philippine Eagle Foundation, Conservation International–Philippines, Department of Environment and Natural Resources. 2011. Eastern Mindanao Biodiversity Corridor Archiving and Assessment Project. Biodiversity Survey Technical Report.
Rukmane A. 2018. An annotated checklist of the genus Pachyrhynchus (Coleoptera: Curculionidae: Pachyrhynchini). Acta Biol. Univ. Daugavp. 18(1): 63–68.
Rukmane A., Barševskis A. 2016. Nine new species of the genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae) from the Philippines. Baltic Journal of Coleopterology 16(1): 77–96.
Schultze W. 1922a. Neunter Beitrag zur Coleopteren-Fauna der Philippinen. Deutsche Entomologische Zeitschrift: 36–45.
Schultze W. 1922b. X. Beitrag zur Coleopteren-Fauna der Philippinen. Philippine Journal of Science 21: 569–596.
Schultze W. 1923. A monograph of the pachyrrhynchid group of the Brachyderinae, Curculionidae. Part I. The genus Pachyrrhynchus Germar. Philippine Journal of Science 23: 609–673.
Schultze W. 1924. A monograph of the pachyrrhynchid group of the Brachyderinae, Curculionidae. Part I. The genus Pachyrrhynchus Germar (concluded). Philippine Journal of Science 24: 309–366.
Schultze W. 1934. Thirteenth contribution to the Coleoptera fauna of the Philippines. Philippine Journal of Science 55: 311–337.
Triyutthachai N., Fu L.F., Triboun P., Wei Y.G., Pornpongrungrueng P. 2022. Three new species of Elatostema (Urticaceae) from Thailand. PhytoKeys 215: 37–50. https://doi.org/10.3897/phytokeys.215.94591
Tseng H.Y., Lin C.P., Hsu J.Y., Pike D.A., Huang W.S. 2014. The functional significance of aposematic signals: geographic variation in the responses of widespread lizard predators to colourful invertebrate prey. PLoS ONE 9: e91777. https://doi.org/10.1371/journal.pone.0091777
Tseng H.Y., Jeng M.L., Villanueva R.J.T., Huang W.S. 2020. Preliminary survey of Pachyrhynchus weevils (Coleoptera) of the Babuyan and Batanes Islands, Philippines. Philippine Journal of Systematic Biology 14(2): 1–6.
Van Dam M.H., Cabras A.A., Lam A.W. 2023. How the Easter egg weevils got their spots: phylogenomics reveals Müllerian mimicry in Pachyrhynchus (Coleoptera: Curculionidae). Systematic Biology 72(3): 516–529.
Wei Y.G., Monro A., Wang W.T. 2011. Additions to the flora of China: seven new species of Elatostema (Urticaceae) from the karst landscapes of Guangxi and Yunnan. Phytotaxa 29: 1–27. https://doi.org/10.11646/phytotaxa.29.1.1