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      Braconidae (Hymenoptera: Ichneumonoidea) abundance and richness in four types of land use and preserved rain forest in southern Mexico Translated title: Abundancia y diversidad de bracónidos (Hymenoptera: Ichneumonoidea) en cuatro usos de suelo y selva conservada en el sureste de México

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          Abstract

          The abundance, species richness, similarity and dominance of Braconid parasitoid wasps were estimated for 4 types of land use (secondary forest, rubber plantations, living fences and pastures), and remnants of preserved tropical rain forest in southern Mexico. We also analyzed whether specialist (koinobionts) taxa are more negatively affected by forest disturbance than generalists (idiobionts), and whether Braconid abundance is correlated with adult host abundance. Braconids were sampled using 3 Malaise traps for each type of land use during March 2010 and May 2011. We collected 143 individuals belonging to 65 species and 15 subfamilies. Species richness and abundance were higher in preserved and secondary forests, than in other types of land use. Although abundance and richness were low in pastures, these sites potentially contain hosts for Braconids. We detected no variation in abundance or species richness by land use, even when comparing idio- and koinobionts. The most dominant species belonged to the genera Apanteles (Microgastrinae) and Hetersopilus (Doryctinae) in all land use types, except pasture, where Bracon (Braconinae) dominated. We detected a positive relationship between Braconids and adult host abundance. Altogether, the 4 types of land use and the preserved forest are able to host a diverse Braconid community.

          Translated abstract

          Se evaluó la abundancia, riqueza, similitud y dominancia de bracónidos, en 4 usos de suelo (vegetación secundaria, plantaciones de hule, cercas vivas y pastizales) y remanentes de selva conservada en el sureste de México. Se analizaron los cambios en la abundancia y riqueza de bracónidos especialistas (koinobiontes) y generalistas (idiobiontes), y la relación entre la abundancia de bracónidos y sus hospederos (adultos). Se utilizaron 3 trampas Malaise en cada uso de suelo, en marzo 2010 y mayo 2011. Se recolectaron 143 individuos pertenecientes a 65 especies y 15 subfamilias. La riqueza y la abundancia de especies fue mayor en la selva conservada y en la vegetación secundaria. Aunque la abundancia y la riqueza de bracónidos fueron bajas en los pastizales, éstos pueden albergar hospederos potenciales. No hubo diferencias en la abundancia y en la riqueza deespecies de koino e idiobiontes entre usos de suelo. Los géneros con mayor número de especies en los 4 usos de suelo y en la selva conservada fueron: Apanteles (Micrograstrinae) y Heterospilus (Doryctinae), excepto en los pastizales que estuvieron dominados por Bracon (Braconinae). Se registró una relación positiva entre la abundancia de bracónidos y la abundancia de sus hospederos adultos. En conjunto, los 4 usos de suelo y la selva conservada albergan una comunidad diversa de bracónidos.

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          Most cited references 48

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              HERBIVORY AND PLANT DEFENSES IN TROPICAL FORESTS

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmbiodiv
                Revista mexicana de biodiversidad
                Rev. Mex. Biodiv.
                Instituto de Biología (México )
                2007-8706
                2015
                : 86
                : 1
                : 164-171
                Affiliations
                [1 ] Universidad Veracruzana Mexico
                [2 ] Instituto de Ecología Mexico
                [3 ] Universidad Nacional Autónoma de México Mexico
                Article
                S1870-34532015000100164
                10.7550/rmb.43865
                708f60d5-da05-40b0-b56e-f0a69ff12142
                Product
                Product Information: website
                Categories
                Biodiversity Conservation

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