Insects (2020) 11 (11 - 778)

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Panamulla A.H. Sajeewani, Dissanayaka M.S.K. Dissanayaka, Leanage K.W. Wijayaratne and Charles S. Burks (2020)
Changes in shape, texture and airflow improve efficiency of monitoring traps for Tribolium castaneum (Coleoptera: Tenebrionidae)
Insects 11 (11 - 778)
Abstract: The red flour beetle, Tribolium castaneum, is an important pest of stored products. We compared an existing standard commercial trap with five experimental trap designs differing from the status quo in shape, surface texture, and in forced air capability provided by fans. We tested the five new traps and a commercial trap with T. castaneum adults with the presence/absence of air flow and the availability of either the pheromone only or both the pheromone and kairomone. Without using the fans and baited with pheromone only, these new trap designs capture beetles three to five times as efficiently as the status quo trap. Use of both pheromone and kairomone doubled the capture efficiency of the status quo trap but did not significantly affect the capture efficiency of the new trap designs, all of which captured significantly more effectively than the status quo trap. Turning on fans for forced ventilation significantly improved trap efficiency of the more effective of the newer traps compared to monitoring with both pheromone and kairomone but no fan. This study provides new insights into factors affecting trap efficiency for monitoring of T. castaneum in grain storage facilities, and suggests ways in which existing traps might be improved.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
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Database assignments for author(s): Charles S. Burks

Research topic(s) for pests/diseases/weeds:
pheromones/attractants/traps


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Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Tribolium castaneum Stored grain Sri Lanka