Results 161 to 170 of about 7,235 (212)
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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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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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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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Interference competition in desert subterranean termites
Entomologia Experimentalis et Applicata, 1991AbstractWe examined interspecific aggression between two subterranean termite species, Heterotermes aureus (Snyder) (Rhinotermitidae) and Gnathamitermes perplexus (Banks) (Termitidae). In laboratory tests with worker termites, neither species was the inherently superior fighter, but rather the outcome of interspecific encounters depended on the number ...
S. C. Jones, M. W. Trosset
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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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SUBTERRANEAN TERMITE STUDIES IN SOUTHERN ONTARIO
The Canadian Entomologist, 1968AbstractA cooperative project between Forest Products Laboratories in the United States and Canada, initiated in 1966 to study the control effectiveness of an insecticide-treated termite attractant, is reported. It represents a bait method of control being developed to eradicate relatively large pockets of infestation.Wooden bait blocks decayed by ...
G. R. Esenther, D. E. Gray
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Subterranean termite prophylactic secretions and external antifungal defenses
Journal of Insect Physiology, 2011Termites exploit environments that make them susceptible to infection and rapid disease transmission. Gram-negative bacteria binding proteins (GNBPs) signal the presence of microbes and in some insects directly damage fungal pathogens with β-1,3-glucanase activity.
Casey, Hamilton +2 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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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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Naphthalene in Formosan Subterranean Termite Carton Nests
Journal of Agricultural and Food Chemistry, 1998Naphthalene was detected in nest cartons of Formosan subterranean termites, Coptotermes formosanus Shiraki. The concentration of naphthalene ranges from 50.56 to 214.6 μg/kg. This is the first report of naphthalene being associated with termites. Some possible functions of naphthalene in a termite society are discussed.
Jian Chen +4 more
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