Stigmella hemargyrella

Stigmella hemargyrella is a moth of the family Nepticulidae. It is found in most of Europe, except Iceland, Norway, Finland, Portugal and most of the Baltic region.

Stigmella hemargyrella mine

Stigmella hemargyrella
leaf mine on beech
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nepticulidae
Genus:
Stigmella
Species:
S. hemargyrella
Binomial name
Stigmella hemargyrella
(Kollar, 1832)
Synonyms
  • Oecophora hemargyrella Kollar, 1832
  • Nepticula basalella Herrich-Schaffer, 1855
  • Nepticula fagella Herrich-Schaffer, 1855
  • Nepticula fagi Frey, 1856
  • Nepticula fulgens Stainton, 1888
  • Nepticula nobilella Heinemann & Wocke, 1876

The moths (imago) are bivoltine flying from April to May and again from July to August and can be found resting on trunks.[1] The wingspan is 5–6 mm.

The egg can be laid on either side of the leaf and the pale yellowish-white larva feed, within a mine on Fagus sylvatica and Fagus sylvatica orientalis. The mine is a sinuous gallery and at the early state is relatively narrow with a central line of dark frass. As the larva grow the mine becomes wider and in the middle portion the frass is arranged in a series of arcs or coils. The mine can cross the vein (compare Stigmella tityrella which rarely crosses the veins) and in the final stages of the mine the frass is more irregular and concentrated in the centre of the gallery.[1][2]

References
  1. Emmet, A M (1988). A Field Guide To The Smaller British Lepidoptera (Second ed.). London: The British Entomological and Natural History Society. p. 65.
  2. Kimber, Ian. "Stigmella hemargyrella". ukmoths. Retrieved 9 July 2016.


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