Oviposition in Culicoides impunctatus under laboratory conditions

S. Carpenter, Anne Jennifer Mordue, William Mordue

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Abstract

We present a laboratory-based examination of oviposition preference in the Scottish biting midge, Culicoides impunctatus (Diptera: Ceratopogonidae). A variety of oviposition substrates were screened in no-choice and choice bioassays for efficacy in eliciting an egg-laying response. Both upper-layer photosynthetic Sphagnum spp. moss and Juncus articulatus infusions were identified as producing increased oviposition under no-choice conditions. During choice trials against a control of damp cottonwool, upper-layer Sphagnum spp. moss produced a significantly greater egg-laying response. These conclusions are interpreted in terms of possible cues involved in oviposition site selection and assessed for future use in colonisation of this troublesome species.

Original languageEnglish
Pages (from-to)123-129
Number of pages6
JournalEntomologia Experimentalis et Applicata
Volume101
DOIs
Publication statusPublished - 2001

Keywords

  • Culicoides impunctatus
  • oviposition
  • colonisation
  • site selection
  • CULEX-QUINQUEFASCIATUS
  • GRASS INFUSIONS
  • DIPTERA
  • ATTRACTANTS
  • CUES
  • CERATOPOGONIDAE
  • IDENTIFICATION
  • NUBECULOSUS
  • CULICIDAE
  • RESPONSES

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