Sphenarches ontario

(McDunnough, 1927)
Lesser Grape Plume Moth

Sort #: 751.2 | P3 #: 460055 | MPG #: 6090
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Larval feeding type: In the flowers
Larval substrate: Vitis spp. (Grape)
Phenology: Adult: 7/02 to 7/22 (3 records)

Comment: Sphenarches ontario is similar to Geina periscelidactylus/sheppardi. It can be distinguished by its smaller size (13-16mm, compared to 17-20mm) and the presence of dark scales between the white spot in the middle of the forewing and the cleft.

Status in MA (automated assessment): Restricted distribution, rare
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 2016
Last Year Reported: 2023

Distribution by County: Hampshire, Worcester
Number of Records: 3