Observation date: July 18, 2025
Submitted by: Tom Dudones
Specimen type: Photograph
Observation notes: This individual was considerably smaller in size that the current Midsummer Tiger Swallowtails - only about the size of an Atlantis Fritillary. Wingtip to wingtip about 2 inches - much smaller than the current Midsummer TS. Also saw several on July 15th of like size, as # 1407778 that I submitted. If not a Canadian TS, then what explains the noticeable huge difference in size? In photos submitted, the leaves are @ 2-2.5 inches in length to give a size comparison.
Status: Resident
Verified by: jmgesell
Verified date: July 18, 2025
Coordinator notes: As far as the current evidence goes, this could not be a Canadian. Their flight would be well over by this time, and there are no known second broods of the species. In addition, a couple of visible characteristics on your individual(s) also go against a Canadian. For example, the dark band on the inner margin of the ventral HW is too narrow for a classic Canadian, and the transition line between the dark marginal region and inner yellow region on the ventral HW is scalloped, which would be straight in a true Canadian. Size difference may be related to sex - males tend to be smaller than females. -Jeff Gesell
