samples of insects caught in entomological traps are often used to approximate population numbers, but this approach can systematically underrepresent individuals that are — or have become — less likely to be trapped (Garamszegi et al.2009; Martín-Vega and Baz2013; Niemelä et al.2015; Rhoade...
We investigated the influence of moonlight on the reproductive behavior of privet hawkmoths () at a relatively dark site where the Milky Way was visible while the horizon was illuminated by distant light sources and skyglow. We show that male moths use the moon for orientation and reach ...
The phenomena involved are delicate and difficult to observe, requiring the best possible conditions. It is very important that the eyes are thoroughly rested before the observation is made, but the fact that the glow is flicker- ing and strongly suggestive of scintillations is, in my opinion, ...