Ectoedemia groschkei
Encyclopedia
Ectoedemia groschkei is a moth
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Nepticulidae
Nepticulidae
Nepticulidae is a family of very small moths with a worldwide distribution. They are characterised by eyecaps over the eyes . These pigmy moths or midget moths, as they are commonly known, include the smallest of all living moths, with a wingspan that can be as little as 3 mm...

 family. It is found in the eastern Mediterranean Region.

There are three generations per year.

The larvae feed on Vitex agnus-castus
Vitex agnus-castus
Vitex agnus-castus, also called Vitex, Chaste Tree, Chasteberry, Abraham's Balm or Monk's Pepper, is a native of the Mediterranean region. It is one of the few temperate-zone species of Vitex, which is on the whole a genus of tropical and sub-tropical flowering plants...

. They mine the leaves of their host plant. The mine consists of a narrow, full depth corridor, suddenly turning into a blotch. The frass in the corridor is concentrated in a narrow central line. In the blotch the frass is found in the oldest part. Pupation generally takes place outside of the mine, but part of the autumn generation of larvae pupate in a cocoon within the mine.

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