Spider Beetle vs Phasia Tachinid

Side-by-side species comparison

Attribute Spider Beetle Phasia Tachinid
Scientific Name Mezium americanum Phasia hemiptera
Order Coleoptera Diptera
Family Ptinidae Tachinidae
Size 2-4 mm 7-10 mm
Habitat Underground Underground
Diet Detritivores Nectar Feeders
Regions North America, Europe Europe
Conservation Least Concern Least Concern

Spider Beetle

A globular beetle that closely resembles a small spider in shape and movement.

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Did You Know?

Its round shiny abdomen and long legs give it a convincing spider-like appearance.

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.