n African Entomology - Assessment of toxic baits for the control of the samsum ant, (Formicidae: Ponerinae)

Volume 22, Issue 1
  • ISSN : 1021-3589



The use of synthetic organic pesticides has serious economic, social and environmental ramifications. Thus, this study describes the experiments using botanical and bacterial extracts to control the samsum ant (). This ant is widely distributed in many parts of southern Saudi Arabia, and has been established as a household pest ant. Three Saudi plants, harmal (), boxthorn () and artemisia () and two bacterial extracts, and sp. were tested in a minced meat bait against the workers of samsum ant. Among the plant extracts tested, at a concentration of 0.3mg of the plant extract of boxthorn per gram of food exhibited the highest toxicity to samsum ants, causing 20.30 % mortality per day and 100 % average death rate of all the ants in 4.9 days. Furthermore, the results demonstrate that the bacterial extract of sp. was the most effective agent to control these ants, with the average death rate at 30 ants per day at a concentration of 0.3 mg/g food.

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