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Appropriate Mesh Size of Insect Screen for the Exclusion of the Cigarette Beetle, Lasioderma serricorne (F.) Cover

Appropriate Mesh Size of Insect Screen for the Exclusion of the Cigarette Beetle, Lasioderma serricorne (F.)

Contributions to Tobacco & Nicotine Research
Volume 30 (2021): Issue 1 (March 2021)
By: Toshihiro Imai  
Open Access
|Apr 2021

Figures & Tables

Figure 1

Screening meshes in comparison with adult cigarette beetles (left and center images). Test apparatus (right). Polystyrene containers (12 cm ø × 8 cm) with 10-cm holes in the bottom, between which polypropylene meshes with 0.66 mm, 0.84 mm, or 1.0 mm openings were placed, were stacked on top of each other, and the lid of the top container was closed. Approximately 200 unsexed adults were released in the bottom compartment.
Screening meshes in comparison with adult cigarette beetles (left and center images). Test apparatus (right). Polystyrene containers (12 cm ø × 8 cm) with 10-cm holes in the bottom, between which polypropylene meshes with 0.66 mm, 0.84 mm, or 1.0 mm openings were placed, were stacked on top of each other, and the lid of the top container was closed. Approximately 200 unsexed adults were released in the bottom compartment.

Figure 2

Distribution of the widths of prothoraxes of the laboratory-reared cigarette beetles that passed through #24 (open bar), #20 (dotted bar), and #18 (filled bar) meshes.
Distribution of the widths of prothoraxes of the laboratory-reared cigarette beetles that passed through #24 (open bar), #20 (dotted bar), and #18 (filled bar) meshes.

Figure 3

Frequency distribution of the widths of the prothoraxes of the wild cigarette beetles captured in pheromone traps around three tobacco factories in Japan during July and August 2017. Bars represent the composition ratio (left scale), and line represents the cumulative frequency (right scale).
Frequency distribution of the widths of the prothoraxes of the wild cigarette beetles captured in pheromone traps around three tobacco factories in Japan during July and August 2017. Bars represent the composition ratio (left scale), and line represents the cumulative frequency (right scale).
DOI: https://doi.org/10.2478/cttr-2021-0003 | Journal eISSN: 2719-9509
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Language: English
Page range: 25 - 28
Submitted on: Oct 23, 2020
Accepted on: Jan 25, 2021
Published on: Apr 20, 2021
Published by: Institut für Tabakforschung GmbH
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Related subjects:
General interest,
Life sciences,
Life sciences, other,
Physics,
Physics, other

© 2021 Toshihiro Imai, published by Institut für Tabakforschung GmbH
This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License.

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