Open AccessThe Stoneflies, or Plecoptera, of Illinois
Author(s) -
Theodore H. Frison
Publication year - 1935
Publication title -
illinois natural history survey bulletin/bulletin - illinois natural history survey
Language(s) - English
Resource type - Journals
eISSN - 2644-0687
pISSN - 0073-4918
DOI - 10.21900/j.inhs.v20.269
Subject(s) - fauna , ecology , geography , spring (device) , presentation (obstetrics) , completeness (order theory) , biology , engineering , mathematics , mechanical engineering , mathematical analysis , medicine , radiology
The present paper, then, is a summary of our stonefly studies which have been more or less continuous since 1926. For completeness this report has not been limited to the spring and summer forms but includes an entire survey of the plecopteran fauna of Illinois, which makes it possible to present a classification unrestricted by the seasonal idiosyncrasies of species, genera orfamilies. It offers, too, an opportunity to add further data concerning some of the fall and winter species not available at the time of the 1929 paper, and perhaps most important, it enables the presentation of a balanced and comparative picture of the stoneflies of this state.