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- W2016081680 abstract "G. mellonella infestée au dernier Stade larvaire avec 1, 2, 3 ou 5 planidia/hôte (pl/H) produit 1 à 5 pupes/hôte (pu/H). La mortalité des chenilles augmente avec le nombre de pl/H. Le poids des pupes ♂ et ♀ décroït avec un nombre croissant de pu/H (18,2 à 12,9 mg pour les ♀ et 12,5 à 9,7 mg pour les ♂). Le développement larvaire dure 8,7 j, chez les ♀ et 8,3 chez les ♂; il est peu affecté par le superparasitisme. Avec 1, 2, 3 et 5 pl/H nous obtenons 0,84 − 1,61 − 2,17 et 3,43 pu/H et 0,81 − 1,48-2,10 et 3, 11 imagos/H. L'optimum est de 3 pl/H ou 1 à 2 = pl/H pour obtenir des parasitoïdes plus lourds. SUMMARY EFFECTS OF SUPERPARASITISM ON THE LARVAL DEVELOPMENT TIME AND WEIGHT OF THE PARASITOID LIXOPHAGA DIATRAEAE (DIPTERA, TACHINIDAE) REARED ON GALLERIA MELLONELLA (LEPIDOPTERA, PYRALIDAE) The influence of superparasitism on larval and pupal development is investigated. Last-larval instar G. mellonella (200 ± 5 mg) were infected with 1, 2, 3 or 5 planidia/host (pl/H) producing 1 to 5 pupae per host (pu/H). Host mortality (8.6 − 8.3 − 14.3 and 22.2%) increased with the number of planidia. The planidia may transmit a bacteriosis. Pupal weight (♂ and ♀) decreased as number of pu/H increased. ♀ pupae were heavier than ♂ ones: 12.9 to 18.2 mg for ♀ against 9.7 to 12.5 mg for ♂. Larval development lasted slightly longer for ♀ (8.7 d.) than for ♂ (8.3 d.), and its duration was little affected by superparasitism. 1, 2, 3 or 5 pl/H yielded 0.84 − 1.61 − 2.17 and 3.43 pu/H and 0.81 − 1.48 − 2.10 and 3.11 adults/H. An optimum was obtained with 3 planidia of L. diatraeae on G. mellonella or 1 to 2 to obtain heavier parasitoids." @default.
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- W2016081680 date "1981-01-01" @default.
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- W2016081680 title "INFLUENCE DU SUPERPARASITISME SUR LA DURÉE DU DÉVELOPPEMENT LARVAIRE ET LE POIDS DU PARASITOÏDE LIXOPHAGA DIATRAEAEÉLEVÉ DANS UN HÔTE DE SUBSTITUTION GALLERIA MELLONELLA" @default.
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- W2016081680 doi "https://doi.org/10.1111/j.1570-7458.1981.tb03043.x" @default.
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