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Caddisflies with unusual hair-fans on the legs in Cretaceous Burmese amber (Insecta, Trichoptera)

Erscheinungsjahr: 
2018
Vollständiger Titel: 
Caddisflies with unusual hair-fans on the legs in Cretaceous Burmese amber (Insecta, Trichoptera)
Autor/-innen des ZFMK: 
Org. Einordnung: 
Publiziert in: 
Palaeodiversity
Publikationstyp: 
Zeitschriftenaufsatz
DOI Name: 
10.18476/pale.11.a3
Keywords: 
Calamoceratidae, Helicopsychidae, tarsal hair-tuft, tibial hair-fan, Cretaceous, Burmese amber
Bibliographische Angaben: 
Wichard, W., Espeland, M., Wang, B.: (2018). Caddisflies with unusual hair-fans on the legs in Cretaceous Burmese amber (Insecta, Trichoptera). Palaeodiversity 11 (1): 21-28
Abstract: 

We describe two caddisflies from mid-Cretaceous Burmese amber, with unusual hair fan modifications on the legs: Cretaganonema dongi nov. gen. et nov. sp. (Calamoceratidae) possesses greatly elongated hind legs with hair- tufts at the tarsal apex; Cretahelicopsyche liuyani nov. gen. et nov. sp. (Helicopsychidae) bears a hair-fan on the tibia of the middle legs. The functions of the leg modifications in the fossils are unknown, possibilities are briefly discussed. The species described here represent the third known calamoceratid and the first helicopsychid from the Cretaceous, thus increasing our scant knowledge on the Cretaceous Trichoptera biota and their adaptations