Major Groups | Insecta (insects) | Trichoptera (caddisflies) | Odontoceridae Note: Key from Dean et al 2004 |
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1. Metanotum (Mt) with 4 pairs of weakly developed sclerites; ventral apotome (VA) of head extending back to occipital margin (OM); prosternum with a pair of moderate size sclerites (S); 1st abdominal segment ventrally with numerous setae
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-Metanotum with 2 pairs of sclerites; ventral apotome (VA) of head not reaching occipital margin (OM), linked to margin by posterior ecdysial line (EL); prosternum with large medial sclerite (S); 1st abdominal segment ventrally with a pair of setae
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