Arthropod Facilitation by Wood-Boring Beetles: Spatio-temporal Distribution Mediated by a Twig-girdler Ecosystem Engineer
Por:
Novais S., Calderón-Cortés N., Sánchez-Montoya G., Quesada M.
Publicada:
15 oct 2018
Resumen:
The twig-girdler beetle Oncideres albomarginata chamela (Chemsak and Giesbert) (Cerambycidae: Lamiinae) detaches branches of Spondias purpurea L. (Sapindales: Anacardiaceae) that fall on the forest floor or remain suspended on vegetation. Many wood-boring beetles also oviposit in these branches and larval development creates cavities that are abandoned when the adults emerge. The objective of this study was to evaluate the role of wood-boring beetles as facilitators by creating new habitats for arthropods, and test for vertical stratification and temporal variation of arthropods associated with S. purpurea branches that were previously engineered by O. albomarginata chamela in a tropical dry forest (TDF) in Jalisco, Mexico. In order to determine the effects of vertical strata and seasons on branch colonization by arthropods, we placed 60 branches on the forest floor (ground stratum) and 60 were placed in trees (vegetation stratum) from February to April (dry season), and from August to October 2016 (rainy season), for 240 branch samples in total. We collected 8,008 arthropods, which included 7,753 ants (14 species) and 255 nonsocial arthropods (80 species) from 13 different orders. We observed a greater arthropod abundance in the branches in the vegetation stratum in the dry season compared with the rainy season, whereas the richness and abundance of arthropods in the ground stratum were greater in the rainy season compared with the dry season. We concluded that wood-boring beetles are important habitat facilitators for arthropods, and that the vertical position of branches and the seasonal variations in TDFs differently affect the colonization of the abandoned cavities by arthropods.
Filiaciones:
Novais S.:
Laboratório de Ecologia de Insetos, Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
Laboratorio Nacional de Análisis y Síntesis Ecológica, Escuela Nacional de Estudios Superiores Unidad Morelia, Morelia, Michoacán 58190, Mexico
Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, Mexico
Univ Fed Minas Gerais, Dept Biol Geral, Lab Ecol Insetos, Belo Horizonte, MG, Brazil
Escuela Nacl Estudios Super, Unidad Morelia, Lab Nacl Anal & Sintesis Ecol, Morelia 58190, Michoacan, Mexico
Univ Nacl Autanoma Mexico, Inst Invest Ecosistemas & Sustentabilidad, Morelia 58190, Michoacan, Mexico
Calderón-Cortés N.:
Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, Mexico
Univ Nacl Autonoma Mexico, Unidad Morelia, Escuela Nacl Estudios Super, Morelia 58190, Michoacan, Mexico
Escuela Nacional de Estudios Superiores Unidad Morelia, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, Mexico
Sánchez-Montoya G.:
Laboratorio Nacional de Análisis y Síntesis Ecológica, Escuela Nacional de Estudios Superiores Unidad Morelia, Morelia, Michoacán 58190, Mexico
Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, Mexico
Escuela Nacl Estudios Super, Unidad Morelia, Lab Nacl Anal & Sintesis Ecol, Morelia 58190, Michoacan, Mexico
Univ Nacl Autanoma Mexico, Inst Invest Ecosistemas & Sustentabilidad, Morelia 58190, Michoacan, Mexico
Quesada M.:
Laboratório de Ecologia de Insetos, Departamento de Biologia Geral, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
Laboratorio Nacional de Análisis y Síntesis Ecológica, Escuela Nacional de Estudios Superiores Unidad Morelia, Morelia, Michoacán 58190, Mexico
Instituto de Investigaciones en Ecosistemas y Sustentabilidad, Universidad Nacional Autónoma de México, Morelia, Michoacán 58190, Mexico
Univ Fed Minas Gerais, Dept Biol Geral, Lab Ecol Insetos, Belo Horizonte, MG, Brazil
Escuela Nacl Estudios Super, Unidad Morelia, Lab Nacl Anal & Sintesis Ecol, Morelia 58190, Michoacan, Mexico
Univ Nacl Autanoma Mexico, Inst Invest Ecosistemas & Sustentabilidad, Morelia 58190, Michoacan, Mexico
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