Orsodacne atra
(Ahrens, 1810)
Silver-backed Orsodacnid Beetle
Orsodacne atra is a small in the , distributed across North and Central America. are frequently observed on flowers of woody shrubs and trees, particularly in early spring. The is one of the few members of its family in North America.
Pronunciation
How to pronounce Orsodacne atra: /ɔr.soˈdak.ne ˈa.tra/
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Images
Distribution
Found in North America and Central America. Records include the United States and Canada (Alberta).
Seasonality
have been observed active in early spring, with records from April in Missouri.
Host Associations
- Prunus mexicana - flower visitor observed feeding on or visiting flowers of Mexican plum in April in Missouri
- Amelanchier arborea - flower visitor observed on downy serviceberry flowers in spring
Behavior
are and active on flowers. Mating pairs have been observed on blossoms of Prunus mexicana.
Ecological Role
may function as or pollen feeders on early spring-blooming .
Similar Taxa
- Ischnomera ruficollisFrequently found co-occurring on the same flower (Prunus mexicana, Amelanchier arborea); distinguished by red neck and different body form (, )