Species (71.731)
- Yigoga orientis Alphéraky, 1882
- Yigoga renigera Hübner, 1808
- Yigoga signifera Denis & Schiffermüller, 1775
- Ylodes conspersus Rambur, 1842
- Ylodes detruncatus Martynov, 1924
- Ylodes internus McLachlan, 1875
- Ylodes kawraiskii (Martynov, 1909)
- Ylodes reuteri McLachlan, 1880
- Ylodes simulans (Tjeder, 1929)
- Yponomeuta cagnagella (Hübner, 1813)
- Yponomeuta evonymella (Linnaeus, 1758)
- Yponomeuta irrorella (Hübner, 1796)
- Yponomeuta mahalebella Guenée, 1845
- Yponomeuta malinella Zeller, 1838
- Yponomeuta malinellus Zeller, 1838
- Yponomeuta padella (Linnaeus, 1758)
- Yponomeuta padella aggr.
- Yponomeuta plumbella (Denis & Schiffermüller, 1775)
- Yponomeuta rorella Hübner, 1796
- Yponomeuta sedella Treitschke, 1832
- Yponomeuta vigintipunctata Retzius, 1783
- Ypsolopha alpella (Denis & Schiffermüller, 1775)
- Ypsolopha asperella (Linnaeus, 1761)
- Ypsolopha coriacella (Herrich-Schäffer, 1855)
- Ypsolopha dentella (Fabricius, 1775)
- Ypsolopha falcella (Denis & Schiffermüller, 1775)
- Ypsolopha horridella (Treitschke, 1835)
- Ypsolopha lucella (Fabricius, 1775)
- Ypsolopha mucronella (Scopoli, 1763)
- Ypsolopha nemorella (Linnaeus, 1758)
- Ypsolopha parenthesella (Linnaeus, 1761)
- Ypsolopha persicella (Fabricius, 1787)
- Ypsolopha scabrella (Linnaeus, 1761)
- Ypsolopha sequella (Clerck, 1759)
- Ypsolopha sylvella (Linnaeus, 1767)
- Ypsolopha ustella (Clerck, 1759)
- Ypsolopha vittella (Linnaeus, 1758)
- Ypsolophus barbellus F.
- Yucca filamentosa L.
- Yucca gloriosa L.
- Zabrus spinipes F.
- Zabrus tenebrioides Gze.
- Zachrysia auricoma ssp. havanensis
- Zachrysia auricoma Ferussac
- Zachrysia guanensis Poey
- Zachrysia provisoria Pfeiffer L.
- Zacintha verrucosa Gärtn.
- Zacladus affinis Payk.
- Zacladus exiguus Ol.
- Zahlbrucknerella calcarea (Herre) Herre
- Zaira cinerea Fallen
- Zamenis longissima
- Zamia fairchildiana L.D. Gomez
- Zanclognatha grisealis Denis & Schiffermüller, 1775
- Zanclognatha lunalis (Scopoli, 1763)
- Zanclognatha tarsicrinalis Knoch, 1782
- Zanclognatha tarsipennalis Treitschke, 1835
- Zanclognatha tenuialis Rebel, 1899
- Zanclognatha zelleralis (Wocke, 1850)
- Zanichellia palustris L. ssp. pedicellata Wahlenbg. et Rosen
- Zannichellia palustris L. ssp. palustris (L.)
- Zannichellia palustris L. ssp. pedicellata (Wahlenb. & Rosén) Arc.
- Zannichellia palustris L. var. major
- Zannichellia palustris L. ssp. palustris
- Zannichellia palustris L. ssp. pedicellata Wahlbg.
- Zannichellia palustris L.
- Zantedeschia aethiopica (L.) Sprengel
- Zanthojoppa luteus Grav. ssp. luteus
- Zanthoxylum juniperinum Poepp.
- Zanthoxylum kellermanii P. Wilson
- Zanthoxylum
- Zaphysema tenerrima Adams C.B.
- Zapoteca portoricensis (Jacq.) H.M. Hern.
- Zaptychopsis buschi Küster
- Zaptyx hachijoensis Pilsbry
- Zaptyx harimensis Pilsbry
- Zaptyx hirasei Pilsbry
- Zaptyx ischna Pilsbry
- Zaptyx pinto Pilsbry
- Zaptyx strictaluna Boettger O.
- Zaptyx subaurantiaca Pilsbry ssp. harimensis
- Zaraea aenea Klug
- Zaraea aurulenta Sichel
- Zaraea fasciata Linnaeus
- Zaraea mutica Thomson
- Zea mays L.
- Zea mays L.
- Zebeeba falsalis (Herrich-Schäffer, 1839)
- Zebina vitrea
- Zebrina cefalonica Sturany ssp. cebiana
- Zebrina cosensis Reeve ssp. cosensis
- Zebrina cylindrica Menke
- Zebrina dardana Philippi ssp. dardana
- Zebrina detrita
- Zebrina detrita Kobelt ssp. inflata
- Zebrina detrita Müller 1774 ssp. detrita
- Zebrina detrita ssp. unicolor
- Zebrina detrita Rossmäßler ssp. concolor
- Zebrina detrita Müller 1774
- Zebrina detrita Westerlund ssp. major