Major Groups | Insecta (insects) | Trichoptera (caddisflies) | Philopotamidae Note: Key from Dean et al 2004 |
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1. Ventral surface of head with transverse sulcus adjacent to occipital margin; fore coxa with 1 sclerotized process on anterior margin
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-Ventral surface of head without transverse groove or ridge adjacent to occipital margin; fore coxa with 2 OR no sclerotized processes on anterior margin
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