Eoteredon, Archibald & Aase & Nel, 2021

Archibald, S. Bruce, Aase, Arvid & Nel, André, 2021, The second North American fossil horntail wood-wasp (Hymenoptera: Siricidae) from the early Eocene Green River Formation, Zootaxa 4999 (4), pp. 325-334 : 326

Genus Eoteredon gen. nov.

Type species. Eoteredon lacoi sp. nov.

Etymology. The genus name is derived from Eos , the Latin name for the Greek goddess of the dawn, and that of the extant genus Teredon Norton 1869 . Gender, masculine.

Diagnosis. Female characters only. Closest to Teredon (see discussion), but easily separated from Teredon females by any of the following: broad metathoracic femur, much broader than tibia; forewing character states: cell 1R width about a third length [about a fifth]; cell 3R1 distinctly closed (R1 joins Rs) [open]; 1r-rs distinct [very short or R1, Rs meet at pterostigma]; Rs and M only touch without distinct Rs+M [distinct Rs+M].