Distribution of yellow-legged hornet nests along the altitude gradient: most of the nests are at low altitude, 90% of them within 396 m, 95% within 521 m and 99% within 699 m a.s.l. Nests were discovered up to 906 m a.s.l.

 
 
  Part of: Lioy S, Manino A, Porporato M, Laurino D, Romano A, Capello M, Bertolino S (2019) Establishing surveillance areas for tackling the invasion of Vespa velutina in outbreaks and over the border of its expanding range. NeoBiota 46: 51-69. https://doi.org/10.3897/neobiota.46.33099