Phasia Tachinid vs Common Crow Butterfly

Side-by-side species comparison

Attribute Phasia Tachinid Common Crow Butterfly
Scientific Name Phasia hemiptera Euploea core
Order Diptera Lepidoptera
Family Tachinidae Nymphalidae
Size 7-10 mm 85-95 mm wingspan
Habitat Underground Heathland
Diet Nectar Feeders Nectar Feeders
Regions Europe South Asia, Southeast Asia, Australia
Conservation Least Concern Least Concern

Phasia Tachinid

A parasitic fly with distinctive dark-tipped wings that parasitizes shieldbug species. Males have broader wings than females. Adults visit flowers for nectar.

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Did You Know?

Larvae develop inside living shieldbugs, eventually consuming and killing their hosts.

Common Crow Butterfly

Dark brown wings with rows of white marginal spots. Highly toxic due to alkaloids sequestered from its larval food plants.

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Did You Know?

Males form large aggregations during the dry season, sometimes numbering in the millions.