Use of modified atmospheres combined with phosphine in controlling stored date fruit pests, Oryzaephilus surinamensis and Tribolium confusum, and effect on the fruit chemical properties

2022 ◽  
Author(s):  
Sayeda S. Ahmed ◽  
Magda H. Naroz ◽  
Mohsen A. El-Mohandes
Keyword(s):  
Chemical Properties ◽  
Tribolium Confusum ◽  
Oryzaephilus Surinamensis ◽  
Modified Atmospheres ◽  
Date Fruit

scholarly journals Dominance and Frequency of Coleoptera Found on Stored Cereals and Cereal Products in Central Greece

2017 ◽  
Vol 11 ◽  
pp. 17 ◽  
Author(s):  
ΤΗ. Buchelos ◽  
C. G. Athanassiou
Keyword(s):  
Sitophilus Oryzae ◽  
Tribolium Confusum ◽  
Population Fluctuation ◽  
Cryptolestes Ferrugineus ◽  
Oryzaephilus Surinamensis ◽  
Significant Preference ◽  
Cereal Products ◽  
Central Greece ◽  
Storage Facilities

Thirty Coleoptera taxa belonging to 14 families were found during samplings conducted in 4 different storage facilities at Farsala district, Central Greece, from January 1991 to February 1992. Among the most frequently found, Sitophilus oryzae, S. granarius and Rhysopertha dominica were more numerous on grain, Tribolium confusum, T castaneum and Cryptolestes ferrugineus on flour, while Oryzaephilus surinamensis and O. inercator showed no significant preference to any commodity. An analysis of the results was performed, based on the dominance and frequency criteria. The population fluctuation of the 8 most significant species is given in graphs.

scholarly journals SOME PHYSICO-CHEMICAL PROPERTIES OF DATE FRUIT VARIETIES

2015 ◽  
Vol 61 (1) ◽  
Author(s):  
Fahad Y. AL JUHAIMI ◽  
Mehmet Musa ÖZCAN ◽  
Kashif GHAFOOR
Keyword(s):  
Chemical Properties ◽  
Date Fruit ◽  
Physico Chemical

To Acclimate or Not to Acclimate? Simultaneous Positive and Negative Effects of Acclimation on Susceptibility of Tribolium confusum (Coleoptera: Tenebrionidae) and Oryzaephilus surinamensis (Coleoptera: Silvanidae) to Low Temperatures

2019 ◽  
Vol 112 (5) ◽  
pp. 2441-2449 ◽  
Author(s):  
Christos G Athanassiou ◽  
Frank H Arthur ◽  
Nickolas G Kavallieratos ◽  
Kris L Hartzer
Keyword(s):  
Low Temperatures ◽  
Cold Hardiness ◽  
Cold Treatment ◽  
Tribolium Confusum ◽  
Life Stages ◽  
Oryzaephilus Surinamensis ◽  
Negative Effects ◽  
Cold Temperatures ◽  
Noticeable Increase ◽  
Coleoptera Tenebrionidae

Abstract Laboratory tests on acclimated and nonacclimated life stages of Tribolium confusum Jacquelin du Val (Coleoptera: Tenebrionidae) (adults, pupae, larvae, and eggs) and Oryzaephilus surinamensis (L.) (Coleoptera: Silvanidae) (adults, larvae, and eggs) were conducted at 0, –5, –10, and –15°C to evaluate effects of acclimation on susceptibility to cold treatment. Acclimation of all tested life stages for 7 d at 15°C affected susceptibility of both species to the cold temperatures. After 1 d exposures for ≥2 h, acclimated adults had a noticeable increase in cold tolerance compared with nonacclimated adults for both tested species. Nonacclimated pupae of T. confusum were equally susceptible to cold compared with acclimated pupae at short exposures to low temperatures. Exposure of nonacclimated life stages of T. confusum, at –10°C for 1 d gave 0% survival. Similarly, almost all (99.6%) nonacclimated individuals of O. surinamensis died at –10°C. At 0°C, nonacclimated larvae were more cold tolerant than acclimated larvae, but this trend was reversed when larvae were exposed to –5°C. Mixed results were obtained for larvae of O. surinamensis because in some of the combinations tested, nonacclimated larvae were more tolerant, even at temperatures that were lower than 0°C. In contrast to O. surinamensis, eggs of T. confusum that had not been exposed to cold were not affected by acclimation, while exposure to cold showed increased cold hardiness in acclimated eggs. Results show that individual stored-product insect species may have mixed susceptibility to cold temperatures, which must be taken into account when using cold treatment as a management strategy.

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