Rheumaptera prunivorata
(Ferguson, 1955)
cherry scallop shell, Ferguson's scallop shell
Rheumaptera prunivorata is a geometrid described by Alexander Douglas Campbell Ferguson in 1955. It is known from eastern North America, where fly from May to September. The species is associated with Prunus virginiana, on which its larvae feed.
Pronunciation
How to pronounce Rheumaptera prunivorata: /ɹiːuːˈmæptəɹə prʌnɪvoʊˈɹeɪtə/
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Identification
The combination of scalloped wing margins, moderate size (wingspan ~35 mm), and eastern North American distribution in association with Prunus helps distinguish this . Similar Rheumaptera species may overlap in range; examination of genitalia or larval host association may be necessary for definitive identification.
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Habitat
Associated with supporting Prunus virginiana (chokecherry), including open woodlands, forest edges, and disturbed areas where this plant grows.
Distribution
North America: eastern Canada (New Brunswick, Quebec, Ontario) through the eastern United States, south to Georgia. Present in Vermont.
Seasonality
fly from May to September, with timing varying by latitude and local conditions.
Diet
Larvae feed on Prunus virginiana (chokecherry). feeding habits not documented.
Host Associations
- Prunus virginiana - larval food plantchokecherry
Ecological Role
Larval herbivore on Prunus virginiana; specific ecological impacts not documented.
Similar Taxa
- Other Rheumaptera speciesSimilar wing patterns and scalloped margins; may require dissection or association for separation
- Other Larentiinae with scalloped wingsWing shape convergence; size and distribution help narrow identification
More Details
Nomenclature
Specific epithet prunivorata derives from Latin, referring to the larval feeding on Prunus (pruni- = plum/cherry, -vorata = devouring). Described by A.D.C. Ferguson in 1955.