Rothschild's Achias vs Narrow-banded Hoverfly

Side-by-side species comparison

Attribute Rothschild's Achias Narrow-banded Hoverfly
Scientific Name Achias rothschildi Meliscaeva auricollis
Order Diptera Diptera
Family Platystomatidae Syrphidae
Size 15-18 mm 7-10 mm
Habitat Forests Underground
Diet Sap Feeders Nectar Feeders
Regions Papua New Guinea Europe, Asia
Conservation Data Deficient Least Concern

Rothschild's Achias

A remarkable Papua New Guinean fly where males have enormously elongated eye stalks. Males use their extended eyes to size up rivals. Has the largest head capsule of any known insect.

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Did You Know?

Has the largest head capsule relative to body size of any insect, with eye stalks wider than its body.

Narrow-banded Hoverfly

A small hoverfly with narrow yellow crescent markings on a dark abdomen. It is among the first hoverflies to appear in spring.

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Did You Know?

Adults can be seen flying as early as February in mild winters.