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Insects 2016, 7(4), 63; doi:10.3390/insects7040063

Toxicity and Feeding Deterrent Effect of 2-Methylanthraquinone from the Wood Extractives of Tectona grandis on the Subterranean Termites Coptotermes formosanus and Reticulitermes speratus

1
Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba 305-0872, Japan
2
Research Center for Biomaterial, Indonesian Institute of Sciences (LIPI), Jl. Raya Bogor km. 46 Cibinong, Bogor 16911, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Brian T. Forschler
Received: 20 September 2016 / Revised: 2 November 2016 / Accepted: 3 November 2016 / Published: 8 November 2016
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Abstract

No-choice feeding tests using ethanol, chloroform, and acetone extractives of teak (Tectona grandis) heartwood clearly showed feeding deterrent activity and toxicity to the subterranean termite Reticulitermes speratus. The amount of 2-methylanthraquinone (MAQ) in teak wood extractives was not related to the feeding deterrents or toxicity, as shown by the no-choice feeding tests conducted using crude extractives containing various amounts of MAQ, MAQ alone, and fractions of crude extractives. As a native pest, the subterranean termite Coptotermes formosanus was more tolerant to the fractions of crude extractives than Reticulitermes speratus, and the mortality observed in C. formosanus was not due to the presence of MAQ. View Full-Text
Keywords: Tectona grandis; 2-methylanthraquinone; Coptotermes formosanus; Reticulitermes speratus Tectona grandis; 2-methylanthraquinone; Coptotermes formosanus; Reticulitermes speratus
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MDPI and ACS Style

Ismayati, M.; Nakagawa-Izumi, A.; Kamaluddin, N.N.; Ohi, H. Toxicity and Feeding Deterrent Effect of 2-Methylanthraquinone from the Wood Extractives of Tectona grandis on the Subterranean Termites Coptotermes formosanus and Reticulitermes speratus. Insects 2016, 7, 63.

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