Our team has found a number of traces of bristletails, few mayflys, and rarely an unidentified insect. Would appreciate help in the identification of these specimens.
for Pensylvanian insects you may look look into Google Scholar under the German words and you will find a fair number of publications on Upper Carboniferous/Pensylvanian insects. Many of these publications have, at least, an English abstract. Some of the paper you can retrieve because they can be obtained as pdf-files.
Easterday, C. R. 2004. Stratigraphy and paleontology of Cemetery Hill (Desmoinesian–Missourian: Upper Carboniferous), Columbiana County, eastern Ohio. Unpublished M.S. thesis, The Ohio State University. Columbus, Ohio. 505 p.