[1] Compare the scholia to Homer, Iliad 1.277 and 2.247 (and Hesychius epsilon5826), where the same gloss occurs with present infinitive forms. If the Suda's present indicative is an authentic quotation, it might come from Pindar or Bacchylides.
[2] This addendum is lacking in mss FV. Whoever added it seems to have been under the impression that a)pteri/zei (attested only here) was a compound form of the headword e)ri/zei. In fact its meaning is obscure (something to do with being wingless?), and the connection may instead be with the verb illustrated at pi 3010.