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Environ Entomol


Title:Seasonal and Diel Communication Periods of Sympatric Pest Limonius Click Beetle Species (Coleoptera: Elateridae) in Western Canada
Author(s):Lemke E; van Herk WG; Singleton K; Gries G;
Address:"Agassiz Research and Development Centre, Agriculture and Agri-Food Canada, 6947 Highway 7, Agassiz, British Columbia, V0M 1A0, Canada. Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V5A 1S6, Canada"
Journal Title:Environ Entomol
Year:2022
Volume:51
Issue:5
Page Number:980 - 988
DOI: 10.1093/ee/nvac067
ISSN/ISBN:1938-2936 (Electronic) 0046-225X (Linking)
Abstract:"In western North America, sympatric Limonius click beetle species produce limoniic acid [(E)-4-ethyloct-4-enoic acid] as a sex pheromone component (L. canus (LeConte), L. californicus (Mannerheim)) or respond to it as a sex attractant (L. infuscatus (Motschulsky)). We tested the hypothesis that these three congeners maintain species-specificity of sexual communication through nonoverlapping seasonal occurrence and/or contrasting diel periodicity of sexual communication. Using capture times of beetles in pheromone-baited traps as a proxy for sexual communication periods, our data show that L. canus and L. californicus have seasonally distinct communication periods. Most L. canus males (>90%) were captured in April and most L. californicus males (>95%) were captured in May/June/July. As almost exclusively L. infuscatus males were captured in two separate 24-hr trapping studies, with data recordings every hour, it remains inconclusive whether the three Limonius congeners communicate at different times of the day. Males of L. infuscatus responded to pheromone lures only during daytime hours and during the warmest period each day. Captures of L. infuscatus overlapping with those of L. canus in April and those of L. californicus in May/June imply the presence of reproductive isolating mechanisms other than seasonal separation of sexual communication periods"
Keywords:Male Animals *Coleoptera *Sex Attractants Seasons Pheromones Communication click beetle monitoring pheromone reproductive isolation wireworm;
Notes:"MedlineLemke, Emily van Herk, Willem G Singleton, Kendal Gries, Gerhard eng Research Support, Non-U.S. Gov't England 2022/09/21 Environ Entomol. 2022 Oct 21; 51(5):980-988. doi: 10.1093/ee/nvac067"

 
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Citation: El-Sayed AM 2024. The Pherobase: Database of Pheromones and Semiochemicals. <http://www.pherobase.com>.
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