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Open AccessArticle

Species Composition, Temporal Abundance and Distribution of Insect Captures Inside and Outside Commercial Peanut Shelling Facilities

1
Department of Entomology, University of Georgia, Tifton, GA 31793, USA
2
Department of Entomology, University of Georgia, Athens, GA 30601, USA
*
Author to whom correspondence should be addressed.
Insects 2020, 11(2), 110; https://doi.org/10.3390/insects11020110
Received: 31 December 2019 / Revised: 5 February 2020 / Accepted: 6 February 2020 / Published: 9 February 2020
(This article belongs to the Special Issue Recent Advances in Postharvest Pest Biology and Management)
Insect populations were studied within two commercial peanut shelling facilities located in the southeastern United States. Commercially available pheromone/kairomone-baited dome traps and pheromone-baited flight traps were deployed throughout processing and shipping portions of the shelling plants and serviced weekly over one year. Lasioderma serricorne, Tribolium castaneum, Typhaea stercorea, Carpophilus spp., Plodia interpunctella and Cadra cautella were the most common captures across locations. Lasioderma serricorne made up 87% and 88% of all captures in dome traps in plants one and two, respectively. While L. serricorne was not captured during the winter months in flight traps, it was captured with near 100% frequency in dome traps, suggesting that populations persisted throughout the year inside the facilities. Tribolium castaneum populations were active year round. Across insect species and trap type, temperature was a significant covariate for explaining variation in insect counts. After accounting for the effect of temperature, there were always more insects captured in the processing portions of the facilities compared to the shipping areas. A negative linear relationship was observed between captures of L. serricorne and T. castaneum and trap distance from in-shell peanuts entering the shelling facilities. Conversely, fungivores were more evenly distributed throughout all parts of the shelling plants. These data suggest that management efforts should be focused where in-shell peanuts enter to reduce breeding and harborage sites for grain feeding insects.
Keywords: Lasioderma serricorne; Tribolium castaneum; Tribolium confusum; Cadra cautella; Plodia interpunctella; monitoring; food processing; trapping; sanitation Lasioderma serricorne; Tribolium castaneum; Tribolium confusum; Cadra cautella; Plodia interpunctella; monitoring; food processing; trapping; sanitation
MDPI and ACS Style

Perez, L.M.; Moore, P.J.; Abney, M.R.; Toews, M.D. Species Composition, Temporal Abundance and Distribution of Insect Captures Inside and Outside Commercial Peanut Shelling Facilities. Insects 2020, 11, 110.

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