ORIGINAL ARTICLE
Toxicity of neonicotinoids to Ceratitis capitata and Anastrepha fraterculus (Diptera: Tephritidae)
1
Centro Experimental do Instituto Biológico
Secretaria da Agricultura e Abastecimento
P.O. Box 70, 13001-970, Campinas, São Paulo, Brazil
Corresponding author
Adalton Raga
Centro Experimental do Instituto Biológico Secretaria da Agricultura e Abastecimento P.O. Box 70, 13001-970, Campinas, São Paulo, Brazil
Centro Experimental do Instituto Biológico Secretaria da Agricultura e Abastecimento P.O. Box 70, 13001-970, Campinas, São Paulo, Brazil
Journal of Plant Protection Research 2011;51(4):413-419
KEYWORDS
TOPICS
ABSTRACT
The effects of imidacloprid and thiamethoxam against
Ceratitis capitata
(Wiedemann) and
Anastrepha fraterculus
(Wiedemann) adults
were evaluated under broadcast spray and toxic bait systems in the laboratory. In general, when
C. capitata
and
A. fraterculus
were sprayed with insecticides, the time required for killing them was inversely proportional to the neonicotinoid
concentrations. By cover spray, females and males of
A. fraterculus
were more susceptible to imidacloprid and thiamethoxam than
C. capitata,
presenting significantly lower LT
50
. In the case of imidacloprid bait, no differences at LT
50
were detected between females
or males of both fruit flies or between sexes of respective fruit fly species. In general,
C. capitata
and
A.
fraterculus
adults died in all the
toxic baits up to 7 days after application on citrus leaves in the field. The data emphasize the viability of the use of neonicotinoids for
the control of fruit flies.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
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