Vayssières Jean-François. 1983. Life histories and host specificities of the Echium bugs Dictyla echii and Dictyla nassata (Hem.: Tingidae). Entomophaga, 28 (2) : 135-144.
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Résumé : Echium plantagineum is a pasture weed in south-eastern and south-western Australia where the climate is of the Mediterranean type. The tingids Dictyla echii (Schr.) and D. nassata (Put.) are common in the Mediterranean region on various Boraginaceae, including E. plantagineum, where they have 2-3 generations a year and reduce or even prevent seed formation. The plants used to test the food-plant range of the tingids included Boraginaceae, closely related plants, and plants representative of the families on which these and other species of Dictyla have been recorded. Only Boraginaceae were attacked. In Portugal, the 2 species are sympatric, suggesting that little interspecific interference occurs. It therefore appears that both species are suitable for introduction as biological control agents of E. plantagineum in Australia.
Classification Agris : H10 - Ravageurs des plantes
Auteurs et affiliations
- Vayssières Jean-François, CSIRO (FRA)
Source : Cirad-Agritrop (https://agritrop.cirad.fr/577150/)
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