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Influence of Trap Colours and Placement on Captures of the Hairy Rose Beetle, Tropinota Squalida Scop. (Coleoptera: Scarabaeidae)

  • Mohammad A. Ali
Article

Abstract

Plastic dishes 30 cm dia. and 15 cm depth filled with water as traps for Tropinota squalida Scop, adults and painted blue, green, red, white and yellow were exposed in infested peach areas at Abo-Sultan during 1987–1988. Traps painted blue showed high degrees of attractancy to the pest. White, yellow and green attracted the least number of beetles while red was found to have no attraction. Trapping is considerably influenced by microecological conditions, trap placement and trap diameter. Blue traps (25) were sufficient to suppress the pest population in an infested peach area. Blue trap could be considered as a new forecasting method and for studying the swarming dynamics of T. squalida adults.

Key Words

Tropinota squalida trap colour trap placement attractance of insect 

Résumé

Des plats en plastique ont 30 cm de diametre et 15 cm de profond sontete pleines de l’eau et coulores en blue, vert, rouge, blanc et jaune utilises comme des pieges d’attracter les adultes de Tropinota squalida Scop. Ils sont exposés dans des regions pechées infectées au Abou-Sultane durée 1987–1988. Les pieges peinturées en blue presentées les haughts degrees d’attraction de cette pest, autre les blanches, les jeunes et les vertes sont été moins attractives de les adultes; pendant les rougeuses trouvants non efficacées. L’influence de piegeage considre par lesa conditions microecologique, placement et le diametre de la piege. 25 pieges sont été suffisants pour diminuer la population de cette pest dans une region pechee infectée. La piege blue peut-etre considerée comme une methode neuf de controler cette pest et d’étudier les dynamiquments de la flactuation chez les adultes de T. squalida Scop.

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Copyright information

© ICIPE 1993

Authors and Affiliations

  • Mohammad A. Ali
    • 1
  1. 1.Department of Plant Protection, Faculty of AgricultureAl-Azhar UniversityNasr City, CairoEgypt

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