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Genus Pieris

Mustard White? - Pieris virginiensis Cabbage White - Pieris rapae Pieris marginalis venosa - Pieris marginalis - female green chrysalis  - Pieris rapae Pieridae: Pieris rapae - Pieris rapae Yellow Butterfly  - Pieris rapae Cabbage White - Pieris rapae White Lepidoptera - Pieris rapae
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Pieridae (Whites, Sulphurs, Yellows)
Subfamily Pierinae (Whites)
Tribe Pierini (Cabbage Whites, Checkered Whites, Albatrosses)
Genus Pieris
All Leps lists five species, including the introduced species P. rapae.
Feed on members of the Brassicaceae family. They have developed biochemical adaptations to chemicals called glucosinolates present in these plants.
Life Cycle
The highest species variety is in the Palaearctic. A few crop-damaging species have been introduced from this area, such as the cabbage white (Pieris rapae), which has become the most abundant representative of this genus and perhaps of all butterflies. The parasitoid Cotesia glomerata has been introduced to control this pest.
Internet References
Science Daily article on Pieris brassicae larva defense mechanism
Oecologia. Foodplant preferences