- Ectoedemia occultella
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Ectoedemia occultella 
Scientific classification Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Lepidoptera Family: Nepticulidae Genus: Ectoedemia Species: E. occultella Binomial name Ectoedemia occultella
(Linnaeus, 1767)Synonyms - Phalaena occultella Linnaeus, 1767
- Lyonetia argentipedella Zeller, 1839
- Nepticula flexuosella Fologne, 1859
- Tinea mediofasciella Haworth, 1828
- Tinea mucidella Hubner, 1817
- Tinea strigilella Thunberg, 1794
Ectoedemia occultella is a moth of the Nepticulidae family. It has a Holarctic distribution. It is found in most of Europe, east through Russia (where it has been recorded from Murmansk, Karelia, Leningrad, Samara and Tatarstan and Sakhalin) to Japan. It is also present in North America. Mines very similar to that of Ectoedemia occultella have been found on Rosaceae species in Nepal and Japan and these may belong to this species.
Mined birch leaf
LarvaThe wingspan is 5–7 mm. Adults are on wing from May to July.
The larvae feed on Betula ermani, Betula grossa, Betula humilis, Betula nana, Betula obscura, Betula pendula and Betula pubescens. It has also been recorded from Salix pentandra in Finland. They mine the leaves of their host plant. The mine consists of a round, primary, upper-surface blotch without a visible initial corridor. There are often several mines in one leaf. The mine has a dark centre, where the larva often retreats.
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