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1 June 2002 Evaluation of the Effects of Thiamethoxam on Three Species of African Termite (Isoptera: Termitidae) Crop Pests
S. Delgarde, C. Rouland-Lefevre
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Abstract

Thiamethoxam formulated as ACTARA 25 WG has been tested on three species of higher African termites: Trinervitermes trinervius Rambur, Odontotermes smeathmani Fuller, and Amitermes evuncifer Silvestri, which are pests of the principal tropical food crops (e.g., rice, maize, sorghum, sugarcane). The doses used ranged from 0.03 to 10 ppm. The effective dose for these termites was 0.3 ppm, which resulted in 100% mortality within 2–8 d, depending on the species studied. Excluding O. smeathmani, which consumed the product, thiamethoxam proved to be an anti-feedant but not repellent to T. trinervius and A. evuncifer. For all species studied, mortality was not dependent on consumption of the products, which acts principally by contact. In O. smeathmani, thiamethoxam could be transmitted in the colony from contaminated individuals to healthy individuals.

S. Delgarde and C. Rouland-Lefevre "Evaluation of the Effects of Thiamethoxam on Three Species of African Termite (Isoptera: Termitidae) Crop Pests," Journal of Economic Entomology 95(3), 531-536, (1 June 2002). https://doi.org/10.1603/0022-0493-95.3.531
Received: 31 May 2000; Accepted: 1 June 2001; Published: 1 June 2002
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KEYWORDS
Amitermes evuncifer
elimination
Odontotermes smeathmani
thiamethoxam
Trinervitermes trinervius
tropical crops pest
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