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      Scolytus schevyrewi y Euwallacea ca. fornicatus (Coleoptera: Curculionidae: Scolytinae) en Tijuana, Baja California, México Translated title: Scolytus schevyrewi and Euwallacea ca. Fornicatus (Coleoptera: Curculionidae: Scolytinae) in Tijuana, Baja California, Mexico

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          Abstract

          Resumen Se reporta la asociación del descortezador exótico Scolytus schevyrewi y el barrenador ambrosial Euwallacea ca. fornicatus, en árboles de parques, jardines y camellones de la ciudad de Tijuana, Baja California, México.

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          Review of American Xyleborina (Coleoptera: Curculionidae: Scolytinae) Occurring North of Mexico, with an Illustrated Key

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            The bark and ambrosia beetles of North and Central America (Coleoptera: Scolytidae), a taxonomic monograph

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              Distribution, Pest Status and Fungal Associates of Euwallacea nr. fornicatus in Florida Avocado Groves

              Members of a complex of cryptic species, that correspond morphologically to the ambrosia beetle Euwallacea fornicatus (Eichhoff) (Coleoptera: Curculionidae: Scolytinae), were recently found attacking avocado (Persea americana Mill.) in Israel and California. In early 2016, an outbreak of another member of this species complex was detected infesting approximately 1500 avocado trees in an avocado orchard at Homestead, Florida. An area-wide survey was conducted in commercial avocado groves of Miami-Dade County, Florida to determine the distribution and abundance of E. nr. fornicatus, to identify different populations of E. nr. fornicatus and their fungal associates, and to assess the extent of damage to avocado trees. Ewallacea nr. fornicatus were captured in 31 of the 33 sampled sites. A sample of 35 beetles from six different locations was identified as E. nr. fornicatus sp. #2, which is genetically distinct from the species causing damage in California and Israel. Eleven fungal associates were identified: an unknown Fusarium sp., AF-8, AF-6, Graphium euwallaceae, Acremonium sp. Acremonium morum, Acremonium masseei, Elaphocordyceps sp. and three yeast species. The unknown Fusarium isolates were the most abundant and frequently found fungus species associated with adult beetles and lesions surrounding the beetle galleries. In addition to fungal associates, three bacteria species were found associated with adult E. nr. fornicatus. Visual inspections detected significant damage in only two orchards. A large number of beetles were captured in locations with no apparent damage on the avocado trees suggesting that E. nr. fornicatus are associated with other host(s) outside the groves or with dead trees or branches inside the groves. More research is needed to determine the potential threat E. nr. fornicatus and its fungal associates pose to the avocado industry and agricultural and natural ecosystems in Florida.
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                Author and article information

                Journal
                azm
                Acta zoológica mexicana
                Acta Zool. Mex
                Instituto de Ecología A.C. (Xalapa, Veracruz, Mexico )
                0065-1737
                2448-8445
                2019
                : 35
                : e3502090
                Affiliations
                [1] Chapingo orgnameUniversidad Autónoma Chapingo orgdiv1División de Ciencias Forestales Mexico jmendezm@ 123456taurus.chapingo.mx
                [2] Austin Texas orgnameUniversity of Texas United States thatkinson.austin@ 123456gmail.com
                Article
                S0065-17372019000100218 S0065-1737(19)03500000218
                10.21829/azm.2019.3502090
                bc4f845a-9445-4ec6-bb83-f90a5ee9f4fd

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 18 November 2019
                : 08 October 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 9, Pages: 0
                Product

                SciELO Mexico

                Categories
                Notas científicas

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