Platynota idaeusalis
620433.00 —
3740 —
Platynota idaeusalis
♂
♂
♀
♀
Larval Host(s)
Presumed main host
on Block Island:
on Block Island:
Known hosts:
unclear/unknown
Polyphagous (woody and herbaceous plants)
Sex Differences
Male with costal fold; sexual dimorphism in forewing maculation and shape.
Life History
Univoltine with a partial second generation on Block Island. The main flight period is mid-June to mid-July, with a much smaller second flight in August and September. Bivoltine in Maryland based on iNaturalist data, with peaks in abundance in May and August. Evenly distributed across survey sites.
Identification
This genus presents no identification difficulties on Block Island, where two easily distinguished species occur. For identification of this genus elsewhere in North America, refer to my guide to the Nearctic members of the genus on BugGuide. For identification of the genus east of Texas, download my guide to the eastern species (PDF, 10,200x6,600).