Lepidoptera
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - X - Z
- yama (Moore, 1857) Neope Nymphalidae
- yama yamoides (Moore, 1892) Neope Nymphalidae
- yamamai (Guérin-Méneville) 1861 Antherea Saturniidae
- yamamai bergmani Bryk, 1948 Antherea Saturniidae TYPUS
- yaminalis (Oberthür, 1888) Noctuelia Pyralidae
- yanetta (Hewitson, 1867) Napeogenes Nymphalidae
- yeatiana (Fabricius, 1781) Agonopterix Depressariidae
- yerburii (Butler, 1884) Staudinger,ia Pyralidae
- yerburyi Butler, 1886 Neptis Nymphalidae
- yerburyi sikkima Evans ? Neptis Nymphalidae
- yesoensis Matsumura, 1927 Euctenurapteryx Geometridae
- yeterofuna Bryk, 1942 Blepharidia Noctuidae TYPUS
- yeterofuna Bryk, 1942 Hermonassa Noctuidae TYPUS
- yildizae Kocak 1981 Archinemapogon Tineidae
- yinversa (Packard, 1864) Apoda Limacodidae
- yliodes Ureta, 1955 Phulia Pieridae
- yokohamae (Butler, 1881) Euphyia Geometridae
- yokohamae colorata Bryk, 1948 Euphyia Geometridae TYPUS
- yphthima (Felder, 1867) Euptychia Nymphalidae
- ypsillon (Denis & Schiffermüller, 1775) Parastichtis Noctuidae
- ypsilon (Butler, 1879) Chalconyx Noctuidae
- ypsilon (Butler, 1868) Gerbathodes Noctuidae
- ypthima Hübner, 1816 Taygetis Nymphalidae
- ypthima xantippe Butler, 1869 Taygetis Nymphalidae
- ypthimoides Butler, 1893 Neocoenura Nymphalidae
- yu (Guenée, 1852) Leucania Noctuidae
- yucatana (Druce, 1888) Erinnyis Sphingidae
- yulei Butler, 1896 Mylothris Pieridae
- yvanii (Duponchel, 1833) Cleonymia Noctuidae
- yvonina Dognin Melinodes Geometridae