Phratora hudsonia

W.J.Brown, 1951

birch leaf beetle

Phratora hudsonia is a small leaf beetle in the Chrysomelidae, commonly known as the birch leaf beetle. It is found in North America, with documented in Ontario, Canada, as well as Alberta, British Columbia, and Manitoba. The feeds exclusively on birch leaves and has been the subject of biological study focusing on its seasonal occurrence, habits, and stages.

Pronunciation

How to pronounce Phratora hudsonia: /fræˈtɔːrə ˌhʌdˈsoʊniə/

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Identification

Small, metallic brown leaf beetle. Distinguishable from other Phratora by specific morphological features, though detailed diagnostic characters require examination. Larval stages can be identified using the generic key to forest Chrysomelinae larvae of Ontario provided by Brown (1971).

Habitat

Forest containing birch trees. Associated with Betula in and temperate forest .

Distribution

North America. Documented in Canada: Ontario (type locality for biological study), Alberta, British Columbia, and Manitoba. Specific recorded at Great Slave Lake and the north shore of Lake Superior.

Seasonality

Seasonal occurrence documented in Ontario, Canada; specific described in Brown (1971).

Diet

Folivore on birch. Feeds on leaves of Betula .

Host Associations

  • Betula - plantbirch leaves

Life Cycle

stages (larvae) described. Seasonal occurrence patterns documented. Specific developmental timing and not detailed in available sources.

Ecological Role

Herbivorous leaf feeder on birch. Contributes to the forest chrysomelid as a consumer of birch foliage.

Similar Taxa

  • Other Phratora speciesSimilar small size and general ; requires detailed examination to distinguish.
  • Other Chrysomelinae leaf beetlesShared characteristics; larval key to forest Chrysomelinae of Ontario assists differentiation.

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Sources and further reading