Biology of Rophalosiphum maidis Fitch (Hemiptera: Aphididae) on Sorghum (Sorghum bicolor (L.) (Moench)

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Marbely ítez del Toro-Ben
Heyker L. Baños-Díaz
Ileana Miranda-Cabrera
María de los A. Martínez-Rivero

Abstract

Within the techniques of conservation biological control, the use of alternative host plants is very common at present, mainly for biological control of aphids by using their parasitoids. The aim of this study was to establish a proposal of an alternative tritrophic system for the rearing of parasitoids. The biological and population attributes of the green corn aphid (Rophalosiphum maidis (Fitch) (Hemiptera: Aphididae) were evaluated on sorghum [(Sorghum bicolor (L.) Moench)] under laboratory conditions (25.55 ± 1 ° C temperature and 68.25 ± 10% relative humidity). One hundred newly emerged nymphs were individually placed in Petri dishes containing sorghum leaf disks water agar (1 %). Daily observations were made to determine the duration of the nymphal, pre-reproductive, reproductive, and post-reproductive periods. With these data, the values of fertility, longevity, and duration of the development and life cycles were calculated. R. maidis reached the adult stage in 7.89 days with a life cycle of 12.01 days on sorghum, reaching high population levels and population increases of about 12 % daily. These biological studies of R. maidis on sorghum are the first carried out in Cuba, and they ratify the reproduction potential of this aphid on the crop.

Article Details

How to Cite
del Toro-Ben, M. ítez, Baños-Díaz, H. L., Miranda-Cabrera, I., & Martínez-Rivero, M. de los A. (2018). Biology of Rophalosiphum maidis Fitch (Hemiptera: Aphididae) on Sorghum (Sorghum bicolor (L.) (Moench). Revista De Protección Vegetal, 33(1). Retrieved from https://revistas.censa.edu.cu/index.php/RPV/article/view/947
Section
SHORT COMMUNICATIONS

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