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Spring has come, it’s time to start monitoring the yellow-legged hornet Vespa velutina

Spring has come, it’s time to start monitoring the yellow-legged hornet Vespa velutina

As the first warm days arrive in spring, founder queens of Vespa velutina emerge from hibernation and starts flying and looking for an optimal nesting site. In this season, the hornets are particularly attracted by nectar and other sugars’ sources. The period between March and May is thus the best time to effectively monitor Vespa velutina. This activity aims mainly to detect the presence/absence of the hornet and discover new invaded areas. The monitoring can be performed using specific traps ...
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