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Digital Guide to Moth Identification

990430.0019430Leucoptera malifoliella – Pear Leaf Blister Moth – (Costa, 1836)
Distribution Data for Leucoptera malifoliella
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Distribution: Palaearctic distribution
Seasonality
and Size:
Number of generations dependent on climate, One to five generations have been recorded (2)
Larva and
Host Plants:
Larvae feed on members of the Rosaceae, forming round blotch mines on the upper surface of leaves and leaving behind a spiral frass pattern (1, 3). Leaf mines not always constrained between secondary leaf veins. Larvae have been recorded on Betula pendula (Silver birch) and members of the Rosaceae, including Crataegus spp. (Hawthorne), Malus pumila (Apple), Prunus avium (Sweet cherry), Prunus domestica (Plum), Prunus persica (Peach), Prunus cerasus (Sour cherry), and Pyrus communis (European pear) (2).
Description/
Field Marks:
Basal half of the forewing shiny white, meeting a yellow-orange fascia outlined with brownish-black scales. Wing fringe with several black streaks originating from an orange spot, near the apex, which rests above a black patch broken by a white line down the middle.
References
  • (1) Natural History Museum: HOSTS- website
  • (2) (2) Davis, E.E., Schober, N., Gomex, N.N., and Venette, R.C. 2009. Mini Risk Assessment: Pear leaf blister moth, Leucoptera malifoliella Costa [Lepidoptera: Lyonetiidae] website
  • (3) Species Page at BOLD Barcoding Project - website.
Data compiled and contributed by Christi Jaeger, MEM from references cited.

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