Symmorphus, [525], [526]

Symphemia, [284]

Symphysis, [21]

Synallaxinae, [484] f.

Synallaxis, [484], [486], [487];

S. semicinerea, [485]

Synoecus, [200];

S. australis, [219];

S. raalteni, [220]

Synthliborhamphus, [316];