adult spiral caddisfly insect

aculeata adult animal animals aquatic arthropod arthropoda arthropods brown bug butterfly caddis fly caddisfly detail entomology fauna helicopsyche helicopsychidae hexapod hexapoda hexapods insect insecta insects integripalpia invertebrate invertebrates larvae lepidoptera macro natural nature polyphaga pterygota sericostomatoidea small trichoptera white wild wildlife wing winged wings spiral genus