Phylloporia bistrigella

Phylloporia bistrigella is a moth of the family Incurvariidae. It is found in western, northern and central Europe and north-eastern North America.

A birch leaf mined by two larvae, one of which has already cut out its case and departed
Larva

Phylloporia bistrigella
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Incurvariidae
Genus:
Phylloporia
Species:
P. bistrigella
Binomial name
Phylloporia bistrigella
(Haworth, 1828)
Synonyms
  • Tinea bistrigella Haworth, 1828
  • Phylloporia abalienella (Zetterstedt, 1840)
  • Phylloporia subammanella (Stainton, 1849)
  • Phylloporia dilorella (Herrich-Schäffer, 1851)
  • Phylloporia labradorella (Clemens, 1864)
  • Phylloporia labradoriella (Walsingham, 1888) (missp.)
  • Phylloporia aureovireus (Dietz, 1905)

The wingspan is 7–9 mm.7-8 nnn. Head ochreous -fuscous. Forewings fuscous; a straight shining whitish fascia at 1/3, and another sometimes interrupted beyond middle; sometimes a whitish elongate discal spot beyond this.Hindwings grey.[1]

The larvae feed on Betula species. They mine the leaves of their host plant, usually encircling a good part of the leaf, and finishing in a whitish blotch with scattered frass. It then cuts out an oval case from this position and drops to the ground. The leaf area enclosed within the mine becomes paler and vacated mines are quite distinctive.

References
  1. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description


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