Abstract
Ellca nevelka gen. et sp. nov. (Orthoptera: Elcanidae) is described from mid-Cretaceous Burmese amber and it is the smallest known elcanid (body length = 4.53 mm) characterized by a combination of morphological characters on the head, pronotum, metatibial spurs, and metatarsomeres. Well-preserved forewing venation indicates that the fossil belongs to Elcaninae; as such, this species is the latest known representative of this subfamily. The described species has a narrow pterostigma on its forewings, which suggests that this species could use both pairs of wings for active flight. A new hypothesis is proposed for the function of the enlarged and flattened metatibial spurs, which could help stabilize and control flight.
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