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OVIPOSITION OF THE GALL MIDGE CYSTIPHORA SONCHI (BREMI) (DIPTERA: CECIDOMYIIDAE) VIA THE STOMATA OF PERENNIAL SOWTHISTLE (SONCHUS ARVENSIS L.)

Published online by Cambridge University Press:  31 May 2012

Rosemarie A. DeClerck  and
Taylor A. Steeves
Rosemarie A. DeClerck
Affiliation:
Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N OWO
Taylor A. Steeves*
Affiliation:
Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N OWO
*
1 Author to whom correspondence should be addressed.
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Abstract

Cystiphora sonchi (Bremi) females, fixed while ovipositing into leaves of perennial sowthistle (Sonchus arvensis L.), were sectioned and then examined with a light microscope. Sections revealed that this gall-inducing species oviposited into leaves of sowthistle via the stomatal openings of the lower epidermis. Furthermore, sections of eggs and surrounding leaf tissues indicated that the epidermis was not punctured during oviposition.

Résumé

On a fixé et sectionné des femelles de Cystiphora sonchi (Bremi) en train de pondre dans les feuilles du laiteron des champs, Sonchus arvensis L., et on les a examinées au microscope. Les sections ont révélé que cette espèce cécidogène pond dans les feuilles du laiteron par l’ouverture des stomates de l’épidémie du dessous. De plus, des sections des oeufs et du feuillage environnant indiquent que l’épidémie n’est pas transpercé durant la ponte.

Type
Articles
Information
The Canadian Entomologist , Volume 120 , Issue 2 , February 1988 , pp. 189 - 193
Copyright
Copyright © Entomological Society of Canada 1988

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