Odontoceridae Wallengren, 1891

Wichard, Wilfried, Espeland, Marianne, Müller, Patrick & Wang, Bo, 2020, New species of caddisflies with bipectinate antennae from Cretaceous Burmese amber (Insecta, Trichoptera: Odontoceratidae, Calamoceratidae), European Journal of Taxonomy 653, pp. 1-17 : 4

Family Odontoceridae Wallengren, 1891

Revised diagnosis

Ocelli absent; maxillary palpi 5-segmented in males (exception: Barypenthus , 3-segmented); without apicomesal nodule on first segment (exception: Lannapsyche , present); without pair of pilifers on the frons; spur formula 2/4/4 (exceptions: Phraepsyche 1/4/4, Barypenthus : 0/2/2 to 2/2/2); single, large, ovoid mesoscutellar setal wart (exception: Barypenthus , pair of small warts); one pair of pronotal setal warts (exceptions: Madagocerum , Lannapsyche , Phraepsyche , two pairs). In male forewing: termen slightly convex (exceptions: Barypenthus , straight; Anastomeura, slightly concave; Marilia , variable); wing fork IV never present (number of forks varying from two to four); discoidal cell always closed (exception: some species of Psilotreta ); medial cell absent; thyridial cell absent or present; R1 and R2 sometimes fused; Cu2 reduced or absent, never reaching wing margin (exception: Palaeopsilotreta , reaching wing margin); post-anal vein present in all extant species (not visible in the fossils); anal lobe generally absent or, if present, reduced, but never extensively sclerotized or setose.