Copy fast milaca mn
![copy fast milaca mn copy fast milaca mn](https://m.media-amazon.com/images/I/A1nYNISnPeL._AC_CLa%7C2140%2C2000%7CA1ZXzKp%2BzlL.png)
Many species, especially within the families Limnephilidae and Phryganeidae, have appeared to decrease in distribution and abundance during the past 75 years, particularly those once common within the Northwestern and Southern Regions. Of the 48 individual collections that yielded >40 species, all but 1 were from the Northern Region. Of the 5 determined caddisfly regions of the state, species richness per watershed was highest in the Lake Superior and Northern Regions, intermediate in the Southeastern, and lowest in the Northwestern and Southern.
![copy fast milaca mn copy fast milaca mn](https://m.media-amazon.com/images/I/A1ntnF3PJOL._CLa%7C2140%2C2000%7C71Vu6%2BHLFVL.png)
An additional 31 dubious species records are removed for various reasons. Four species: Lepidostoma griseum ( Lepidostomatidae), Psilotreta indecisa ( Odontoceridae), and Phryganea sayi and Ptilostomis angustipennis ( Phryganeidae) are added to the known fauna. All species are illustrated herein, and their known Minnesota abundances, distributions, adult flight periodicities, and habitat affinities presented.
![copy fast milaca mn copy fast milaca mn](https://ogden_images.s3.amazonaws.com/www.marshallindependent.com/images/2020/02/10231937/0211_WGBB2-1100x733.jpg)
Included in these totals is my own quantitative sampling of 4 representative habitat types: small streams, medium rivers, large rivers, and lakes, from each of the 58 major Minnesota watersheds from June through September during 1999–2001. These species are based on examination of 312,884 specimens from 2,166 collections of 937 Minnesota aquatic habitats from 1890 to 2007. The caddisfly fauna of Minnesota contains at least 277 species within 21 families and 75 genera.