Systena marginalis
(Illiger, 1807)
margined systena
Systena marginalis is a flea beetle (Chrysomelidae: Alticini) native to North America. Like other members of the Systena, it possesses enlarged hind adapted for jumping. The is broadly distributed across the continent, with records from Canada (Ontario, Québec) and the United States. Specific ecological details remain poorly documented in published literature.
Pronunciation
How to pronounce Systena marginalis: //sɪsˈtiːnə ˌmɑːrˈdʒɪnɑːlɪs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of Systena are recognized by their compact, somewhat elongate body form and the characteristic enlarged hind of flea beetles. Systena marginalis specifically may be distinguished from by features of the elytral margins and coloration patterns, though precise diagnostic characters require examination of specimens. The name "marginalis" suggests reference to marginal features, likely of the .
Distribution
North America. Documented from Canada (Ontario, Québec) and the United States. The occurs broadly across the continent based on collection records.
Similar Taxa
- Systena blandaPale-striped flea beetle, another North American Systena ; differs in having pale longitudinal stripes and broader plant associations including sunflower
- Other Systena speciesApproximately 20 in the occur in North America; most require careful examination of genitalia and elytral punctation for definitive identification