Tachygyna is a genus of North American sheet weavers that was first described by Ralph Vary Chamberlin & Vaine Wilton Ivie in 1939.
Species
it contains fifteen species, all found in North America:
- Tachygyna alia <small>Millidge, 1984</small>
- Tachygyna cognata <small>Millidge, 1984</small>
- Tachygyna coosi <small>Millidge, 1984</small>
- Tachygyna delecta <small>Chamberlin & Ivie, 1939</small>
- Tachygyna exilis <small>Millidge, 1984</small>
- Tachygyna gargopa <small>(Crosby & Bishop, 1929)</small>
- Tachygyna haydeni <small>Chamberlin & Ivie, 1939</small>
- Tachygyna pallida <small>Chamberlin & Ivie, 1939</small>
- Tachygyna proba <small>Millidge, 1984</small>
- Tachygyna sonoma <small>Millidge, 1984</small>
- Tachygyna speciosa <small>Millidge, 1984</small>
- Tachygyna tuoba <small>(Chamberlin & Ivie, 1933)</small>
- Tachygyna ursina <small>(Bishop & Crosby, 1938)</small>
- Tachygyna vancouverana <small>Chamberlin & Ivie, 1939</small> (type)
- Tachygyna watona <small>Chamberlin, 1949</small>
References