Sex ratio of Hylurgus ligniperda (F.), Hylastes ater (Paykull) and Gnathotrupes spp. (Coleoptera: Scolytidae)

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Published: Dec 31, 2001
DOI: https://doi.org/10.4206/bosque.2001.v22n2-09
Keywords:
- sex ratio
- bark beetle
- Chile

Main Article Content

Dolly Lanfranco
Instituto de Silvicultura, Facultad de Ciencias Forestales, Universidad Austral de Chile, Casilla 567, Valdivia, Chile.
Sandra Ide
Instituto de Silvicultura, Facultad de Ciencias Forestales, Universidad Austral de Chile, Casilla 567, Valdivia, Chile.
Cecilia Ruiz
Instituto de Silvicultura, Facultad de Ciencias Forestales, Universidad Austral de Chile.
Hernán Peredo
Instituto de Silvicultura, Facultad de Ciencias Forestales, Universidad Austral de Chile, Casilla 567, Valdivia, Chile.
Isabel Vives
Instituto de Silvicultura, Facultad de Ciencias Forestales, Universidad Austral de Chile, Casilla 567, Valdivia, Chile.

Abstract

The sex ratio of three bark beetles present in Chile was analyzed using baited funnel traps located at four sample points. At all localities the male:female ratio was about 1:1, however, in the case of Gnathotrupes spp., there may be more males than females.

Article Details

How to Cite
Lanfranco, D., Ide, S., Ruiz, C., Peredo, H., & Vives, I. (2001). Sex ratio of Hylurgus ligniperda (F.), Hylastes ater (Paykull) and Gnathotrupes spp. (Coleoptera: Scolytidae). Bosque, 22(2), 85–88. https://doi.org/10.4206/bosque.2001.v22n2-09
Issue
Vol. 22 No. 2 (2001)
Section
Notes

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