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Résumé Les films de polyéthylène utilisés pour la fabrication du piège bipyramidal à mouches tsé-tsé en République Centrafricaine présentent des variations aléatoires dans leur coloration. Des expériences conduites sur Glossina fuscipes fuscipes à l’aide d’un nouveau protocole, combinant dans la même expérience, le carré latin et la compétition de deux pièges en vis-à-vis, révèlent qu’une coloration...
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