An insect of the order Trichoptera, constituting the caddisflies.
包含石蚕蛾的昆虫目。
2
At the end of that time, the team found higher populations of stoneflies, mayflies and caddisflies in the screened segments than in adjacent unscreened ones.
The warmth of the sun raised the water temperature enough to awaken the rainbow and cutthroat trout that slept, and the caddisflies were dancing their erratic dance, here and there, over the water.