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Dendroctonus brevicomis

Dendroctonus brevicomis , the western pine beetle , is a species of crenulate bark beetle in the family Curculionidae . It is found in North America [ 1 ] [ 2 ] [ 3 ] and parts ...

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Dendroctonus brevicomis, the western pine beetle, is a species of crenulate bark beetle in the familyCurculionidae. It is found in North America[1][2][3] and parts of Mexico.[4] It is known as a destructive pest of ponderosa and Coulter pine trees.[5] When drought makes these pines more susceptible to infestations by D. brevicomis, there is an increased risk of forest fires due to dead trees.[6]

The beetle may cause mortality of 60 to 90 percent of host trees in some landscapes during an outbreak. One of the more recent notable outbreaks occurred in the central and southern Sierra Nevada Range in California from 2014 to 2017, causing the death of millions of ponderosa pines.[7]

Adult D. brevicomis are brown or black beetles 3–5 mm in length. Females carve lengthy egg galleries in the wood, damaging the trees.[5]

Una fotografía en blanco y negro muestra tres tablones de madera con daños graves, moderados y leves. Las galerías de los huevos parecen túneles sinuosos en la madera.
Examples of D. brevicomis egg galleries in ponderosa pine

References

  1. ↑"Dendroctonus brevicomis Report". Integrated Taxonomic Information System. Retrieved 2019-09-23.
  2. ↑"Dendroctonus brevicomis". GBIF. Retrieved 2019-09-23.
  3. ↑Valerio-Mendoza, O; Armendáriz-Toledano, F; Cuéllar-Rodríguez, G; Negrón, José F; Zúñiga, G (2017-09-01). "The Current Status of the Distribution Range of the Western Pine Beetle, Dendroctonus brevicomis (Curculionidae: Scolytinae) in Northern Mexico". Journal of Insect Science. 17 (5). doi:10.1093/jisesa/iex070. ISSN 1536-2442. PMC 5597856. PMID 28922899.
  4. 1 2 Will, Kip; Gross, Joyce; Rubinoff, Daniel; Powell, Jerry A. (2020). Guía de campo de los insectos de California . Oakland, California: University of California Press . pág. 265. ISBN  9780520288744.
  5. ↑ "El escarabajo del pino occidental genera preocupación por los incendios en California". BioCycle . 44 (4): 53. 1 de abril de 2003.
  6. ↑ "Folleto sobre insectos y enfermedades forestales: escarabajo del pino occidental" (PDF) . www.fs.usda.gov . Febrero de 2022. Archivado (PDF) del original el 1 de agosto de 2025. Consultado el 20 de enero de 2026 .

Lecturas adicionales

  • Lobl, I.; Smetana, A., eds. (2013). Catálogo de coleópteros paleárticos, volumen 7: Curculionoidea I. Apollo Books. ISBN 978-90-04-26093-1.
  • Lobl, I.; Smetana, A., eds. (2013). Catálogo de coleópteros paleárticos, volumen 8: Curculionoidea II . Apollo Books. ISBN 978-90-04-25916-4.