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Biology and Host Preference of Nephopteryx divisella (Lepidoptera: Pyralidae): Candidate Agent for Biological Control of Leafy Spurge Complex in North America

TitoloBiology and Host Preference of Nephopteryx divisella (Lepidoptera: Pyralidae): Candidate Agent for Biological Control of Leafy Spurge Complex in North America
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione1998
AutoriCristofaro, M., Sale F., Campobasso G., Knutson L., and Sbordoni V.
RivistaEnvironmental Entomology
Volume27
Paginazione731 - 735
Data di pubblicazione1998///
Parole chiavebiological control, Insects, Leafy spurge, Moth, Phytophagous, Weeds
Abstract

Euphorbia esula L. (Euphorbiaceae) is a complex of species that has become major weeds in rangelands and pastures in North America. The biology and host specificity of Nephopterix divisella Duponchel (Lepidoptera: Pyralidae) was studied to evaluate its potential as a new biological control agent. This oligophagous, multivoltine stem borer is common on spurges such as E. characias in western and southwestern Europe. The results of no-choice feeding test with 1st instars, showed that the host range is restricted to plant species in the genus Euphorbia. Among them, feeding on E. milii Desmoulins and E. trigona Haworth, both ornamental plants, seems to bar chances for N. divisella to be selected as a leafy spurge biological control agent.

Note

Export Date: 23 August 2010Source: Scopus

URLhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0542396543&partnerID=40&md5=194e64c14efb24239da81d77f8b7a260
Citation Key223