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Toxicity, repellency, and horizontal transmission of fipronil in the formosan subterranean termite (Isoptera: Rhinotermitidae).
In topical application assays, fipronil was highly effective against both workers and soldiers at very low doses, and there was no significant horizontal transmission of fipronsil from treated workers to untreated soldiers.
Antifeedant Activity and Acute and Residual Toxicity of Alkaloids fromSophora flavescens (Leguminosae) Against Formosan Subterranean Termites (Isoptera: Rhinotermitidae)
The antifeedant and toxic properties of total matrines- and matrine-treated wood remained effective at least 12 mo after treatment under both light and dark storage conditions, and have great potential for commercial development as wood treatment agents.
Formosan Subterranean Termite (Isoptera: Rhinotermitidae) Soldiers Regulate Juvenile Hormone Levels and Caste Differentiation in Workers
It is demonstrated that the soldier caste regulates JH in workers of Coptotermes formosanus Shiraki, providing evidence that soldier caste proportions regulate JH levels and thereby caste differentiation in workers.
Nootkatone Is a Repellent for Formosan Subterranean Termite (Coptotermes formosanus)
- B. C. Zhu, G. Henderson, F. Chen, L. Maistrello, R. Laine
- BiologyJournal of Chemical Ecology
- 1 March 2001
Nootkatone, a sesquiterpene ketone, isolated from vetiver oil is a strong repellent and toxicant to Formosan subterranean termites.
Seasonal Variation of Juvenile Hormone Titers of the Formosan Subterranean Termite, Coptotermes formosanus (Rhinotermitidae)
This is the first effort to correlate physiological and hormonal aspects with soldier production in the field and seasonal changes in JH titers as an intrinsic mechanism for reproductive caste differentiation is discussed.
Effects of virulence, sporulation, and temperature on Metarhizium anisopliae and Beauveria bassiana laboratory transmission in Coptotermes formosanus.
Subterranean Termite Behavioral Reaction to Water and Survival of Inundation: Implications for Field Populations
Empirical evidence is provided that population reductions were a result of heavy rainfall in west-central Georgia during the winter of 1992-1993 and that subterranean termites, in the field, escape drowning not by seeking higher ground but by entering a state of quiescence when confronted with excessive amounts of water in their subterranean habitat.
Termites fumigate their nests with naphthalene
The hydrocarbon naphthalene has been found naturally associated with any insect species for the first time, in extracts of the nest material produced by Formosan subterranean termites.
Toxicity of Seven Termiticides on the Formosan and Eastern Subterranean Termites
Seven new generation soil termiticides were evaluated to determine the LD50 and LC50 against two economically important subterranean termite species, eastern subterraneanTermite, Reticulitermes flavipes (Kollar), and Formosan subterraneantermite, Coptotermes formosanus Shiraki.
Comparative study of incipient colony development in the Formosan subterranean termite, Coptotermes formosanus Shiraki (Isoptera,Rhinotermitidae)
The study indicated that mate relatedness significantly affected mortality and fitness and heterozygous offspring of outbred pairs probably have increased genetic variation, which provides greater adaptation potential, thus making the colony more robust in the face of environmental fluctuations.