Biology and host range of the hawk moth Nephele densoi Keferstein (Lep.: Sphingidae), a potential agent for the biological control of rubbervine Cryptostegia grandiflora R. Br. (Asclepiadaceae) (original) (raw)

Huwer, R.K. and McFadyen, R.E. (1999)Biology and host range of the hawk moth Nephele densoi Keferstein (Lep.: Sphingidae), a potential agent for the biological control of rubbervine Cryptostegia grandiflora R. Br. (Asclepiadaceae). Biocontrol Science and Technology, 9 (1). pp. 79-88. https://doi.org/10.1080/09583159929938

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Article Link: https://doi.org/10.1080/09583159929938

Abstract

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The larvae of the hawk moth, Nephele densoi Keferstein, feed on the leaves of Cryptostegia grandiflora R. Br. in Madagascar. Host-specificity tests showed that feeding by N. densoi is restricted to plants in the families Asclepiadaceae (subfamily Periplocoideae), Apocynaceae and Moraceae, but only plants in the subfamily Periplocoideae supported larval development. The comparatively wide host range contrasts with the narrow host range demonstrated for the Australian moth N. subvaria (Walker). The possible evolution of host plant specialization in this genus is discussed.

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