Species page for Caligo atreus dionysos
Records from Isla Colon:
Record Locator #9216
Panama; B. del Toro; Isla Colon
lat 9.4070, long -82.3079
15-20 July 2012; banana bait trap
trail through primary forest
Frederick C. Mosher
Field notes from Isla Colon:
After Caligo illioneus oberon, this species is the most common "owl butterfly" on Isla Colon. It comes to fermenting bananas, and can often be found perching on trees near the bait. This butterfly's bright yellow hindwing margins and mammoth size make it difficult to miss as it flaps through the understory.
Identification source link:
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