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Conspecific transmission of insecticidal adhesive powder through mating in the Mediterranean fruit fly, Ceratitis capitata

Conspecific transmission of insecticidal adhesive powder through mating in the Mediterranean fruit fly, Ceratitis capitata
Conspecific transmission of insecticidal adhesive powder through mating in the Mediterranean fruit fly, Ceratitis capitata
The Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) (medfly) is a polyphagous pest of global economic importance. This study tested the suitability of two different adhesive powders, EntostatTM and an adhesive metal powder, as insecticide carriers for use in a lure and kill pest control system, that would allow the auto-dissemination of insecticide from males to female conspecifics through sexual interactions. Lethal time to 50 % (LT50) irreversible knockdown was calculated for male and female medfly artificially contaminated by five different doses of spinosad insecticide, formulated with each adhesive carrier powder. The formulations with adhesive metal powder resulted in a rapid knockdown of medfly which was too fast for use in an auto-dissemination system. Entostat powder with 2 % spinosad gave the best performance, allowing sufficient time for transfer between conspecifics before knockdown and, therefore, allowing the most auto-dissemination (LT50 4 h). Knockdown through transfer of powder from males to females during mating was confirmed, with knockdown at 70–78 % for mated females, with a LT50 of <40 h. These results indicate that Entostat powder is a suitable carrier powder for the development of an insecticidal auto-dissemination control system
1612-4766
361-369
Rogers, C.D.
ecd32182-fb0f-49bb-9ed4-cd69cf0d56d3
Armsworth, Clare G.
b6f87f6b-c88c-451e-b73c-dc011cb1f783
Poppy, G. M.
e18524cf-10ae-4ab4-b50c-e73e7d841389
Rogers, C.D.
ecd32182-fb0f-49bb-9ed4-cd69cf0d56d3
Armsworth, Clare G.
b6f87f6b-c88c-451e-b73c-dc011cb1f783
Poppy, G. M.
e18524cf-10ae-4ab4-b50c-e73e7d841389

Rogers, C.D., Armsworth, Clare G. and Poppy, G. M. (2014) Conspecific transmission of insecticidal adhesive powder through mating in the Mediterranean fruit fly, Ceratitis capitata. Journal of Pest Science, 87 (2), 361-369. (doi:10.1007/s10340-013-0545-3).

Record type: Article

Abstract

The Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) (medfly) is a polyphagous pest of global economic importance. This study tested the suitability of two different adhesive powders, EntostatTM and an adhesive metal powder, as insecticide carriers for use in a lure and kill pest control system, that would allow the auto-dissemination of insecticide from males to female conspecifics through sexual interactions. Lethal time to 50 % (LT50) irreversible knockdown was calculated for male and female medfly artificially contaminated by five different doses of spinosad insecticide, formulated with each adhesive carrier powder. The formulations with adhesive metal powder resulted in a rapid knockdown of medfly which was too fast for use in an auto-dissemination system. Entostat powder with 2 % spinosad gave the best performance, allowing sufficient time for transfer between conspecifics before knockdown and, therefore, allowing the most auto-dissemination (LT50 4 h). Knockdown through transfer of powder from males to females during mating was confirmed, with knockdown at 70–78 % for mated females, with a LT50 of <40 h. These results indicate that Entostat powder is a suitable carrier powder for the development of an insecticidal auto-dissemination control system

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Accepted/In Press date: 20 December 2013
Published date: June 2014
Organisations: Centre for Biological Sciences

Identifiers

Local EPrints ID: 377482
URI: http://eprints.soton.ac.uk/id/eprint/377482
ISSN: 1612-4766
PURE UUID: 1c47e203-1558-4207-85da-b7f435cab17d

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Date deposited: 08 Jun 2015 12:50
Last modified: 14 Aug 2019 18:37

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