Pest categorisation of Diabrotica virgifera zeae
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Título
Pest categorisation of Diabrotica virgifera zeaeAutoría
Fecha de publicación
2019-11-12Editor
European Food Safety Authority (EFSA)Cita bibliográfica
BRAGARD, Claude; DEHNEN-SCHMUTZ, Katharina; DI SERIO, Francesco; GONTHIER, Paolo; JACQUES, Marie-Agnès, JAQUES, Josep A.; JUSTESEN , Annemarie Fejer; MAGNUSSON, Christer Sven; MILONAS, Panagiotis; NAVAS-CORTÉS, Juan A.; PARNELL, Stephen; POTTING, Roel ; REIGNAULT, Philippe; THULKE, Hans-Hermann; VAN DER WERF, Wopke; VICENT CIVERA, Antonio; YUEN, Jonathan; ZAPPALA, Lucia; CZWIENCZEK, Ewelina, MACLEOD, Alan (2019). Pest categorisation of Diabrotica virgifera zeae. EFSA Journal, v. 17. n. 11Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
https://efsa.onlinelibrary.wiley.com/doi/full/10.2903/j.efsa.2019.5858Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The EFSA Panel on Plant Health performed a pest categorisation of Diabrotica virgifera zeae
(Coleoptera: Chrysomelidae), the Mexican corn rootworm, for the EU. This is one of two subspecies of
D. virgifera which ... [+]
The EFSA Panel on Plant Health performed a pest categorisation of Diabrotica virgifera zeae
(Coleoptera: Chrysomelidae), the Mexican corn rootworm, for the EU. This is one of two subspecies of
D. virgifera which occurs in Central America, Mexico and central southern parts of the USA (Texas,
Oklahoma and New Mexico). The preferred larval host is maize (Zea mays) roots, although larvae can
feed on the roots of sorghum and other grass species. Adults feed on the leaves, silks, immature
seeds of maize, and pollen of up to 63 plant genera. Eggs are laid in the soil of maize fields in late
summer/early autumn and hatch in late spring. Adults are found in and near maize fields from May
until frosts appear later in the year. D. virgifera zeae is univoltine except where maize is grown
continuously when there can be multiple overlapping generations each year. In the Americas,
D. virgifera zeae is considered a key maize pest. D. virgifera zeae is regulated by Directive 2000/29/EC
(Annex IAI). A general prohibition of soil from most third countries prevents the entry of immature
stages of D. virgifera zeae. However, adults could be carried on sweetcorn or green maize. Maize is
grown widely across the EU, but establishment may be limited to warmer parts of southern EU. Should
it establish in the EU, impact on maize yields is anticipated. Phytosanitary measures are available to
inhibit entry of this pest. D. virgifera zeae satisfies the criteria, which are within the remit of EFSA to
assess for it to be regarded as a potential Union quarantine pest. D. virgifera zeae does not meet the
criteria of occurring in the EU, nor plants for planting being the principal means of spread, for it to be
regarded as a potential Union regulated non-quarantine pest. [-]
Publicado en
EFSA Journal (2019), v. 17, n. 11Derechos de acceso
info:eu-repo/semantics/openAccess
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