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2002•Florida EntomologistOpen access

ARTIFICIALLY-REARED WHITEFLIES, BEMISIA ARGENTIFOLII, (HOMOPTERA:ALEYRODIDAE) AS HOSTS FOR PARASITIC WASPS

Elizabeth W. Davidson, Faye E. Farmer, Walker A. Jones

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Abstract

Bemisia argentifolii (Powell & Bellows) (Homoptera: Aleyrodidae) (= B. tabaci Gennadius B biotype) nymphs reared on an artificial feeding system were successfully parasitized by three species of wasps, Encarsia formosa Gahan, Eretmocerus eremicus Rose and Zolnerwich, and Eretmocerus mundus Mercet (Hymenoptera: Aphelinidae). Encarsia formosa and Eretmocerus spp. preferred to parasitize third and fourth instar nymphs including the late fourth instar “red eye” stage. Oviposition rate and developmental time compared favorably to some reports on plants, but successful production of adult wasps was low. This system can be used to elucidate host-parasite interactions without confounding interactions with plants.

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What this paper is about

Bemisia argentifolii (Powell & Bellows) (Homoptera: Aleyrodidae) (= B. tabaci Gennadius B biotype) nymphs reared on an artificial feeding system were successfully parasitized by three species of wasps, Encarsia formosa Gahan, Eretmocerus eremicus Rose and Zolnerwich, and Eretmocerus mundus Mercet (Hymenoptera: Aphelinidae). Encarsia formosa and Eretmocerus spp. preferred to parasitize third and fourth instar nymphs including the late fourth instar “red eye” stage. Oviposition rate and developmental time compared favorably to some reports on plants, but successful production of adult wasps was low. This system can be used to elucidate host-parasite interactions without confounding interactions with plants.

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Available abstract

Bemisia argentifolii (Powell & Bellows) (Homoptera: Aleyrodidae) (= B. tabaci Gennadius B biotype) nymphs reared on an artificial feeding system were successfully parasitized by three species of wasps, Encarsia formosa Gahan, Eretmocerus eremicus Rose and Zolnerwich, and Eretmocerus mundus Mercet (Hymenoptera: Aphelinidae). Encarsia formosa and Eretmocerus spp. preferred to parasitize third and fourth instar nymphs including the late fourth instar “red eye” stage. Oviposition rate and developmental time compared favorably to some reports on plants, but successful production of adult wasps was low. This system can be used to elucidate host-parasite interactions without confounding interactions with plants.

Key concepts: Aphelinidae, Biology, Homoptera, Nymph, Instar, Whitefly, Botany, Hymenoptera

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ARTIFICIALLY-REARED WHITEFLIES, BEMISIA ARGENTIFOLII, (HOMOPTERA:ALEYRODIDAE) AS HOSTS FOR PARASITIC WASPS — Research Paper | ScholarLens