Trapping of Retrachydes thoracicus thoracicus (Olivier) and Other Neotropical Cerambycid Beetles in Pheromone- and Kairomone-Baited Traps

Amorós, María Eugenia; Lagarde, Lautaro; Carmo, Hugo Do; Heguaburu, Vivivana; Monné, Marcela L.; Buenahora, José; González, Andrés

doi:10.1007/s13744-022-00955-w

Cited by 1 publication

(2 citation statements)

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“…Our data represent the first test of common cerambycid pheromones, which are widely shared among related species, in South America west of the Andes [16][17][18]. The results showed that three of the eight compounds tested in Chile consistently attracted significant numbers of two native longhorn beetles, suggesting that the compounds may be pheromone components for these species.…”

Section: Discussionmentioning

confidence: 69%

“…Over the past decade, some work has been carried out on the pheromones of cerambycids from eastern South America (e.g., Brazil [16], Uruguay [17]), but almost nothing is known about the chemical ecology of the cerambycid fauna native to countries in the western part of the continent, except for a recent paper from a locality (east of the Andes) in the Amazon rain forest of Peru [18]. In the Mediterranean habitats in the Pacific southwest of the subcontinent, there is also evidence for a female-produced sex pheromone in the species Callisphyris apicicornis (subfamily Necydalinae) [19,20].…”

Section: Introductionmentioning

confidence: 99%

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Generic Pheromones Identified from Northern Hemisphere Cerambycidae (Coleoptera) Are Attractive to Native Longhorn Beetles from Central-Southern Chile

Curkovic

Arraztio

Huerta

et al. 2022

Insects

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We conducted field bioassays with several known cerambycid pheromones in two zones of central-southern Chile: (1) Las Trancas (Ñuble region) and Coñaripe (Los Rios region) (Study 1) and (2) Rucamanque and Maquehue (La Araucania region) (Study 2). Up to eight compounds were tested individually, including 3-hydroxy-2-hexanone, (2R*,3S*)- and (2R*,3R*)-2,3-hexanediol, fuscumol, fuscumol acetate, monochamol, 2-methylbutanol, and geranylacetone. Compounds were loaded in plastic sachets placed in either multiple funnel or cross-vane panel traps hung in trees in a randomized block design (n = 3 or 4). The number of treatments and bioassay periods varied depending on the study. A total of 578 specimens belonging to 11 native species were collected, with the three captured in the highest numbers being Eryphus laetus (292 specimens), Calydon submetallicum (n = 234), and Chenoderus testaceus (n = 20). The three species are of economic importance: E. laetus is considered a minor pest in apple orchards, and the other two species infest Nothophagus hosts, including some timber species. Traps baited with 3-hydroxy-2-hexanone collected significant numbers of both sexes of the two most abundant species, and this compound was the only treatment that attracted C. submetallicum. (2R*,3R*)- and (2R*,3S*)-2,3-Hexanediols were also significantly attractive to E. laetus. Our results suggested that 3-hydroxy-2-hexanone and 2,3-hexanediols, which are known pheromone components of cerambycid species worldwide, are also likely to be conserved aggregation pheromone components among some species in western South America.

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Section: Discussionmentioning

confidence: 69%