Exema canadensis
Pierce, 1940
Canada Case-bearing Leaf Beetle, warty leaf beetle
Exema canadensis is a of warty leaf beetle in the Chrysomelidae. It belongs to the tribe Chlamisini, characterized by their distinctive excrement-mimicry defense strategy. The species is found in North America, with records from Canada and the United States. Like other members of the Exema, it is small in size (2-3 mm) and exhibits remarkable camouflage resembling caterpillar .
Pronunciation
How to pronounce Exema canadensis: /ɛkˈsiːmə kænəˈdɛnsɪs/
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Distribution
North America; specifically recorded from Manitoba, New Brunswick, and Nova Scotia in Canada.
Similar Taxa
- Exema sp.Other in the Exema share the same -mimicry defense strategy and similar small size (2-3 mm), but specific distinguishing characters between E. canadensis and are not documented in available sources.
- Neochlamisus spp.Larger warty leaf beetles (3-4 mm) in the same tribe Chlamisini that also mimic caterpillar ; Neochlamisus are typically associated with oaks (Quercus) rather than Asteraceae .