Phyllonorycter geniculella

Phyllonorycter geniculella is a moth of the family Gracillariidae. It is found from Sweden to the Pyrenees, Italy and Bulgaria and from Great Britain to southern Russia.

Phyllonorycter geniculella
Larval feeding signs
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Infraorder:
Heteroneura
Family:
Gracillariidae
Genus:
Phyllonorycter
Species:
P. geniculella
Binomial name
Phyllonorycter geniculella
(Ragonot, 1874)[1]
Synonyms
  • Lithocolletis geniculella Ragonot, 1874

The wingspan is about 8 mm. There are two generations per year with adults on wing in May and again in August.[2]

The larvae feed on sycamore (Acer pseudoplatanus) mining the leaves. The mine starts as an inconspicuous lower surface epidermal corridor. This corridor is followed, and mostly replaced, by a relatively small, lower-surface, tentiform mine with many weak folds. If the mine is located near the leaf margin, the leaf may fold downwards over the mine. The frass is deposited in a corner of the mine. The pupa is formed in the mine and is dark brownish black. It is made in a loosely spun cocoon.[3]

References
  1. Fauna Europaea
  2. Kimber, Ian. "Phyllonorycter geniculella". ukmoths. Retrieved 26 August 2018.
  3. Ellis, W N. "Phyllonorycter geniculella (Ragonot, 1874) sycamore midget". Plant Parasites of Europe. Retrieved 26 August 2018.


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