Seems there is a fair bit of non-flying insects in the data, and seems also to be only few sites, so might be hard to compare with European data? European decl

Seems there is a fair bit of non-flying insects in the data, and seems also to be only few sites, so might be hard to compare with European data? European decline is afaik mostly related to flying insects. Short on time, but it would be interesting to compare population densities, as that's quite likely a major factor.