Further Observations on the Control of Lone Star Ticks (Acarina: Ixodidae) Through Integrated Control Procedures1

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Abstract
In order to evaluate the effectiveness of various mechanical and/or chemical treatments of woodlots on Amblyomma americanum (L.) populations, studies were initiated in Cherokee Co., Oklahoma during 1967 and continued through 1970. Six 0.45-ha plots were replicated 3 times and received one of the following treatments: (1) mechanical clearing of all undergrowth and enough of the larger vegetation to allow 70–80% sunlight penetration, (2) mechanical clearing with the addition of an acaricide, (3) mechanical clearing with the addition of a herbicide, (4) application of an acaricide to existing vegetation, (5) application of a herbicide to existing vegetation, or (6) no treatment. Gardona® (2-chloro-1(2,4,5- trichlorophenyl) vinyl dimethyl phosphate) 75% wettable powder was used as the acaricide and applied at 1 kg toxicant per ha in the test plots. The herbicide used was 2,4,5-T, OS applied at the recommended rate. Larval populations of ticks Were more susceptable than nymphs or adults to the various treatments involving mechanical clearing or herbicidal application. All developmental stages could be effectively controlled through the use of Gardona. It would appear that modification of existing vegetation, when compatable with other area uses, could result in economical, long-term control of lone star ticks, especially if practiced on a fairly large scale.

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