Key Identification Features
- These are large, distinctive stout-bodied flies with striking coloration in black, yellow-brown, and white.
- The most unusual unique identifying feature of this species is the distinct parastomal sclerite in second instar larvae.
- Pygophora apicalis Schiner, 1868 has distinct morphological traits for adult males and females.
- The wings are clear, and each wing usually has a dark patch near its apex.
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