image of an Alderfly

    Alderflies

    Sialis spp.
    image of Caddisfly on leaf

    Caddisflies

    About 1,500 species in North America north of Mexico
    Photo of a female scorpionfly perched on a leaf.
    image of Green Lacewing clinging to rock

    Green Lacewings

    About 85 species in North America north of Mexico
    Photo of an adult stonefly on a leaf

    Stoneflies

    Nearly 700 species in North America north of Mexico