Major Groups | Insecta (insects) | Trichoptera (caddisflies) | Hydrobiosidae |
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2(1). Prosternum (P) without sclerites; foreleg with tarsal claw (TC) at least 2X combined length of tibia (Ti) and tarsus (Ta)
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-Prosternum with pair of rectangular sclerites; foreleg with tarsal claw only slightly longer than combined length of tibia and tarsus
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