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Glaucous Cracker

(Hamadryas glauconome)

 

 

Glaucous Cracker (Hamadryas glauconome [Bates])

Wing span: Not reported.

Identification: Upperside is mottled with gray, brown, and white. Outer half of forewing is white, with no red bar in the cell. Hindwing eyespots have orange scales before the black crescent.

Life history: Eggs are laid singly along stems and petioles of the host plant. Adults perch on tree trunks head downward with their wings spread open; before dark, they gather on a single tree, then disperse to roost in nearby trees or shrubs. Males make a cracking noise when flying.

Flight: Many flights all year in tropical America.

Caterpillar hosts: Vine Dalechampia in the spurge family (Euphorbiaceae).

Adult food: Rotting fruit and carrion.

Habitat: Moist or semidesert tropical open areas with trees.

Range: Guatemala north to Mexico. A rare stray to southern Arizona and southern Florida.

 

Glaucous Cracker (Hamadryas glauconome)