Themira Robineau-Desvoidy, 1830 This is arelatively large genus including species of striking disparity. Foreleg modifications are particularly strong and more pronounced than in Sepsis, Saltella, Meroplius and Nemopoda.Many species of Themira are known to breed in waterfowl dung and are thus common near lakes or rivers with large bird populations or other damp places. There are comparably few records for this genus for Switzerland (with the exception of T. annulipes,which is common on cow pastures), and there are likely more species present that have not been recorded yet (Haenni 1997; Rohner 2015).

Published as part of Patrick T. Rohner & Gerhard Bächli, 2016, Faunistic data of Sepsidae (Diptera) from Switzerland and additional countries including the first Swiss record of Meroplius fukuharai (Iwasa, 1984), pp. 237-260 in Mitteilungen der Schweizerischen Entomologischen Gesellschaft 89 on page 255, DOI: 10.5281/zenodo.192634