Efficacy of hexaflumuron as a bait-toxicant in the field using a transferred nest of Coptotermes formosanus Shiraki (Isoptera: Rhinotermitidae)

IRG/WP 00-10379

K Tsunoda, Y Hikawa, T Yoshimura

A natural nest of Coptotermes formosanus Shiraki was transferred into the field test site, and monitoring stations were installed around the nest buried back in the ground in January, 1995. Following estimation of foraging populations [271,200o}49,600 (July - October, 1996); 142,600o}19,600 (April - July, 1998)], bait applications were conducted twice. Termites came back to the stations in spring, 1998 , although termites were not present at any monitoring station at the end of the first application (November, 1996 - December, 1997). Second baitings started from October, 1998 and ended in July, 1999 when no termites were found at the stations. The nest was then recovered, and careful examination clearly demonstrated that the colony was completely eradicated after 419 mg of hexaflumuron was consumed by colony members.


Keywords: BAIT APPLICATION; BAIT TOXICANT; HEXAFLUMURON; COPTOTERMES FORMOSANUS SHIRAKI

Conference: 00-05-14/19 Kona, Hawaii, USA


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