Hydraecia
Hydraecia est genus papilionum familiae Noctuidarum.

Species 
 Hydraecia arnymai (Dyar, 1913)
 Hydraecia burkhana (Alphéraky, 1892)
 Hydraecia columbia (Barnes & Benjamin, 1924)
 Hydraecia immanis Guenée, 1852
 Hydraecia intermedia (Barnes & Benjamin, 1924)
 Hydraecia lampadifera Walker, 1865
 Hydraecia medialis Smith, 1892
 Hydraecia micacea – Rosy Rustic (Esper, 1789)
 Hydraecia mongoliensis Urbahn, 1967
 Hydraecia naxiaoides Moore, 1867
 Hydraecia nordstroemi Horke, 1952
 Hydraecia obliqua (Harvey, 1876)
 Hydraecia osseola Staudinger, 1882
 Hydraecia pallescens Smith, 1899
 Hydraecia perobliqua Hampson, 1910
 Hydraecia petasitis – Butterbur Doubleday, 1847
 Hydraecia songariae (Alphéraky, 1882)
 Hydraecia stramentosa Guenée, 1852
 Hydraecia terminata Varga & Ronkay, 1991
 Hydraecia ultima Holst, 1965
 Hydraecia ximena (Barnes & Benjamin, 1924)

Nexus externi 
 De genere apud situm funet.fi
 De genere apud situm nhm.ac.uk (Natural History Museum Lepidoptera genus database)

Apameini
Taxa Guenée
Taxa 1841