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Spain: The Junta de Extremadura combats the chestnut wasp with releases of Torymus sinensis

La Junta de Extremadura combate la avispilla del castaño con sueltas de ‘Torymus sinensis’
This news article has been translated to English.
Chestnut Kernel
Spain
Environmental Issue
May 9, 2022
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The Ministry of Agriculture, Rural Development, Population, and Territory of the Junta de Extremadura has released the parasitoid torymus sinensis in the Valle del Jerte and Sierra de Gata regions of Cáceres to try to combat the chestnut wasp.
The Ministry of Agriculture, Rural Development, Population and Territory of the Junta de Extremadura has released the parasitoid torymus sinensis in the Valle del Jerte and Sierra de Gata regions of Cáceres to try to combat the chestnut wasp. In the Sierra de Aracena and Picos de Aroche in Huelva, chestnut producers sounded the alarm a couple of weeks ago due to the appearance of this pest that can cause serious damage to this crop. The organism Torymus sinensis is the best agent to control it as it is its specific parasitoid in its habitat of origin and there is synchrony between its reproductive cycle and that of the chestnut wasp. This organism is not found naturally in the environment and therefore it is necessary to release it as a means of biological control, as indicated by the Extremaduran Executive in a statement. In a complementary way to the releases that farmers can carry out, and as a continuation of the release of insects carried out in 2021, the Ministry of ...
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