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)

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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. ISSN 0958-3157

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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.

Item Type:	Article
Keywords:	Nephele Densoi; Nephele Subvaria; Cryptostegia Grandiflora; Biological Control; Host-specificity Tests
Subjects:	Plant pests and diseases > Weeds, parasitic plants etc Plant pests and diseases > Economic entomology Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Live Archive:	06 Mar 2024 01:09
Last Modified:	06 Mar 2024 01:09

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