Razor Grinder

Henicopsaltria eydouxii · Order: Hemiptera · Family: Cicadidae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Razor Grinder
Photo: Scott W. Gavins, CC BY

It lives in dry or wet sclerophyll forest and at rainforest edges in eastern Australia, and adults appear mainly in December and January. Adults feed silently in the afternoon, can fly fast, and their numbers vary widely from year to year.

Source: Wikipedia

How to recognize it

The head and thorax are red-brown with black markings, and the transparent wings have some brown spots.

Source: Wikipedia

Where it lives

Found in dry and wet sclerophyll forest and at rainforest margins.

Source: Wikipedia

Life cycle

Population numbers can be huge some years and very low in others.

Source: Wikipedia

When you see it

Most visible in December and January, sometimes early November.

Source: Wikipedia

Where it comes from

Native to eastern Australia.

Source: Wikipedia

Questions people ask

When can I expect to see razor grinders?

They are most often seen in December and January, with occasional early November appearances.

Source: Wikipedia

Where do razor grinders live?

They inhabit dry and wet sclerophyll forests and the edges of rainforests in eastern Australia.

Source: Wikipedia

How big are razor grinders?

Their forewings are about 5 cm (2 in) long.

Source: Wikipedia

What do razor grinders look like?

They have a red-brown head and thorax with black markings, and transparent wings with some brown discoloration.

Source: Wikipedia

Same family (Cicadidae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Henicopsaltria_eydouxii

Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia

Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.

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