Dispersion and Invasion by Scolytus multistriatus in Response to Pheromone
- 1 February 1979
- journal article
- Published by Oxford University Press (OUP) in Environmental Entomology
- Vol. 8 (1) , 1-5
- https://doi.org/10.1093/ee/8.1.1
Abstract
When 18,416 adult Scolytus multistriatus were marked with a fluorescent powder and released, 27% were recaptured in pheromone-baited traps. Of these, 98% were captured on traps 1.5 m from the release point, but the maximum distance for capture was 160 m. In another phase of the study, adult beetles were marked with32 P as they emerged from elm logs. Of 1964 beetles subsequently captured in pheromone-baited traps, 63% were 1.5 m from the emergence site. Endemic S. multistriatus from unknown sources were caught in all traps, with an avg of 2553/trap and a total of 51,059. They were found at all trap heights to 4.8 m.Keywords
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