Results 171 to 180 of about 3,692 (218)
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2022
Abstract This chapter contains key questions regarding termites, the cellulose (wood) feeding insects.
Partho Dhang +3 more
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Abstract This chapter contains key questions regarding termites, the cellulose (wood) feeding insects.
Partho Dhang +3 more
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Pest Management Science, 2023
AbstractBACKGROUNDStake surveys and in‐ground monitoring stations have been widely used to study field populations of many subterranean termite species, but thus far they have never been intercepted by the invasive Asian subterranean termite, Coptotermes gestroi (Wasmann), in southeastern Florida.
Nan‐Yao Su, Sang‐Bin Lee
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AbstractBACKGROUNDStake surveys and in‐ground monitoring stations have been widely used to study field populations of many subterranean termite species, but thus far they have never been intercepted by the invasive Asian subterranean termite, Coptotermes gestroi (Wasmann), in southeastern Florida.
Nan‐Yao Su, Sang‐Bin Lee
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Journal of Economic Entomology, 2017
Effects of ecdysone, 20-hydroxyecdysone (20E), and an ecdysone agonist, halofenozide, were tested against the Formosan subterranean termite, Coptotermes formosanus Shiraki, and the eastern subterranean termite, Reticulitermes flavipes (Kollar), in a 12-d no choice assay. Approximately 22-26% of R. flavipes and C.
Nan-Yao, Su, Erin J, Monteagudo
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Effects of ecdysone, 20-hydroxyecdysone (20E), and an ecdysone agonist, halofenozide, were tested against the Formosan subterranean termite, Coptotermes formosanus Shiraki, and the eastern subterranean termite, Reticulitermes flavipes (Kollar), in a 12-d no choice assay. Approximately 22-26% of R. flavipes and C.
Nan-Yao, Su, Erin J, Monteagudo
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Hydroquinone Is Not A Phagostimulant For The Formosan Subterranean Termite
Journal of Chemical Ecology, 2005It has been suggested that hydroquinone found in the labial glands of a number of termite species acts as a primary phagostimulating factor. We tested hydroquinone as a phagostimulant using workers from three colonies of the Formosan subterranean termite, Coptotermes formosanus, under both laboratory and field conditions. Hydroquinone at concentrations
Ashok K, Raina +2 more
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Nonrandom Search Geometry in Subterranean Termites
Naturwissenschaften, 1995[Extract] Studies of the organization of search in ants suggest that individual and colonylevel patterns are related to foraging ecology and may be adaptive [1, 2]. The organization of search in termites has received far less attention, in part because of their cryptic, subterranean foraging habits.
Robson, S.K. +5 more
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Geophone Detection of Subterranean Termite and Ant Activity
Journal of Economic Entomology, 2006A geophone system was used to monitor activity of subterranean termites and ants in a desert environment with low vibration noise. Examples of geophone signals were recorded from a colony of Rhytidoponera taurus (Forel), a colony of Camponotus denticulatus Kirby, and a termite colony (undetermined Drepanotermes sp.) under attack by ants from a nearby C.
R W, Mankin, J, Benshemesh
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Adaptive evolution in subterranean termite antifungal peptides
Insect Molecular Biology, 2010Abstract We identified and analysed mRNA sequences of two immune proteins from the subterranean termites Reticulitermes flavipes and Reticulitermes virginicus .
M S, Bulmer, F, Lay, C, Hamilton
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Journal of Economic Entomology, 2005
Time trends in mortality for the Formosan subterranean termite, Coptotermes formosanus Shiraki, and eastern subterranean termite, Reticulitermes flavipes (Kollar), were determined for thiamethoxam and fipronil. Filter paper treated with 50 ppm thiamethoxam led to >80% mortality in 2-4 d for R.
Laura N, Remmen, Nan-Yao, Su
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Time trends in mortality for the Formosan subterranean termite, Coptotermes formosanus Shiraki, and eastern subterranean termite, Reticulitermes flavipes (Kollar), were determined for thiamethoxam and fipronil. Filter paper treated with 50 ppm thiamethoxam led to >80% mortality in 2-4 d for R.
Laura N, Remmen, Nan-Yao, Su
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Journal of Economic Entomology, 1990
Toxicities of 11 topically applied termiticides to the Formosan subterranean termite, Coptotermes formosanus Shiraki, and the eastern subterranean termite, Reticulitermes flavipes (Kollar) were determined. At LD50, deltamethrin was most toxic (0.12 and 0.01 μg/g for C. Formosan us and R.
Nan-Yao Su, Rudolf H. Scheffrahn
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Toxicities of 11 topically applied termiticides to the Formosan subterranean termite, Coptotermes formosanus Shiraki, and the eastern subterranean termite, Reticulitermes flavipes (Kollar) were determined. At LD50, deltamethrin was most toxic (0.12 and 0.01 μg/g for C. Formosan us and R.
Nan-Yao Su, Rudolf H. Scheffrahn
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Metabolism of chlorpyrifos-14C in the eastern subterranean termite
Bulletin of Environmental Contamination and Toxicology, 1975Termites treated topically with chlorpyrifos-C readily absorbed the material and metabolized it to chlorpyrifos oxygen analog. There also was evidence for some dechlorination of chlorpyrifos to 3-dechlorochlorpyrifos. Subsequent metabolism of chlorpyrifos and chlorpyrifos oxygen analog to water-soluble metabolites proceeded slowly.
C, Hutacharern, C O, Knowles
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