Tube-making and Trumpet-net Caddisflies
These photos supplement pages 119-135 of the Guide to Aquatic Invertebrates of the Upper Midwest. Information on the biology of Polycentropodidae can be found on page 133. Polycentropodidae have a sclerotized prothorax, no dorsal sclerite on segment 9, and a pointed trochantin. Polycentropodidae do not build cases.