Percentage incidence of valid and invalid reports in: A citizens below and above the median age of participants (48 years) B male and female volunteers C participants with a middle school, high school and university education level D participants with an outdoor, office and institutional job. No significant differences were observed for any of the comparisons made.

  Part of: Pusceddu M, Floris I, Mannu R, Cocco A, Satta A (2019) Using verified citizen science as a tool for monitoring the European hornet (Vespa crabro) in the island of Sardinia (Italy). NeoBiota 50: 97-108.