Abstract

RODRIGUEZ-RIVAS, Antonio et al. Bark beetle (Curculionidae: Scolytinae) record in the La Primavera Forest, Jalisco State. Rev. mex. de cienc. forestales [online]. 2018, vol.9, n.48, pp.135-149. ISSN 2007-1132.  https://doi.org/10.29298/rmcf.v8i48.122.

The first registers of Scolytinae were obtained for the La Primavera Forest, Jalisco (a protected natural area), with 11 species and six genera, as well as their altitudinal distribution. The insects were captured by means of two Lindgren traps with ten funnels each (baited with Dendroctonus ponderosa and Ips typographus pheromones), installed on pine-oak vegetation, and three traps with the shape of a metal funnel (baited with 70 % ethyl alcohol and antifreeze on the outside, and thinner on the inside); of the latter, two were placed on pine and oak vegetation, and the third, in an acacia association. The five traps were distributed within an altitude range of 1 380 to 1 580 masl. The group that most abounded in bark beetle species included Xyleborus affinis, X. ferruginueus, X. volvulus and Gnathotrichus perniciosus. Three new species -Hylurgops subcostulatus alternans, Premnobius cavipenni and Xyleborus horridus- were collected and registered in the state of Jalisco, and two more -Ips calligraphus and I. cribicollis-, at a local level. The traps and baits elicited a good response and proved to be efficient for capturing bark beetle insects.

Keywords : Ethyl alcohol; altitudinal distribution; pheromones; Scolytinae; metal funnel trap; Lindgren traps.