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Effectiveness of a naturally derived insecticide, spinosad, against the pine processionary moth Thaumetopoea wilkinsoni Tams (Lepidoptera: Thaumetopoeidae) under laboratory conditions
Author(s) -
Semiz Gurkan,
Cetin Huseyin,
Isik Kani,
Yanikoglu Atila
Publication year - 2006
Publication title -
pest management science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.296
H-Index - 125
eISSN - 1526-4998
pISSN - 1526-498X
DOI - 10.1002/ps.1181
Subject(s) - spinosad , lepidoptera genitalia , larva , pest analysis , instar , biology , toxicology , biopesticide , integrated pest management , botany , pesticide , agronomy
The pine processionary moth Thaumetopoea wilkinsoni Tams is a serious pest on pine trees in southwestern Turkey. The efficacy of a naturally derived insecticide, spinosad, on fourth‐fifth instar larvae of T. wilkinsoni was studied under laboratory conditions. The product exhibited strong larvicidal activity and at doses above 5 mg litre −1 caused >90% mortality in the fourth–fifth larval stages of the species after 72 h. At 72 h the LD 50 and LD 90 values were 3.26 and 5.69 mg litre −1 respectively. The results showed that spinosad is highly effective on T. wilkinsoni larvae. Copyright © 2006 Society of Chemical Industry
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