Abstract
Adults of the Caribbean fruit fly, Anastrepha suspenso (Loew) were fed on three diets in order to identify one that was optimal for adult longevity, fecundity and egg viability. The diets were a dry mixture of Brewer’s (hydrolysed) yeast and sugar (Diet A); Brewer’s yeast, sugar, agar, and water (Diet B); and a dry commercial diet (BioServ) with Brewer’s yeast, sugar and casein (Diet C). There were no significant differences in per cent adult mortality among the three diets. However, the longevity of females in Diet C was significantly reduced in comparison to that of females fed the other two diets. Diet C was also suboptimal for fecundity and egg viability. Diets A and B were optimal for and had similar effects on all parameters evaluated in this study. However, Diet A appeared to be the best if preparation time and ingredient costs are considered along with biological effects.
Résumé
Des mouches à fruits adultes des Caraibes Anastrepha suspenso (Loew) furent soumises à trois régimes alimentaires dans le but d’identifier le régime alimentaire optimal pour la longévité, la fécondité et la viabilité de l’oeuf. C’était un mélange sec de levure de bière (hydrolysée) et de sucre (Régime A): levure de bière, sucre, gélose et eau (Régime B); un produit diététique sec commerçialisé (BioServ) avec de la levure de bière, du sucre de la caséine (Régime C). Du point de vue de la mortalité adulte, les trois régimes ne présentaient pas de différences remarquables. Cependant la longévité des femelles soumises au Régime C était remarquablement courte en comparaison avec celle des femelles soumises aux deux autres régimes. Le Régime C était aussi en dessous du seuil optimal pour la fécondité et la viabilité de l’oeuf. Au regard de tous les paramètres évalués dans cette étude, les Régimes A et B étaient optimaux et avaient des effets similaires. II semble cependant que le Régime A était le meilleur si l’on prend en considération, à la fois, le temps de préparation, le coût des ingrédients et les effets biologiques.
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Lawrence, P.O. Differential Mortality, Fecundity and Egg Viability of Caribbean Fruit Fly, Anastrepha Suspensa Adults Fed on Three Diets. Int J Trop Insect Sci 10, 353–357 (1989). https://doi.org/10.1017/S174275840000360X
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DOI: https://doi.org/10.1017/S174275840000360X