Red Jewel Bug

Choerocoris paganus · Order: Hemiptera · Family: Scutelleridae

Harmless. It is not dangerous to people, pets, the house, or gardens.

Source: Wikipedia

Red Jewel Bug
Photo: John Jennings from Australia, CC BY 2.0

The Red Jewel Bug is about 1 cm long with a bright crimson scutellum marked by a blue-black blotch and copper-green spots, while its head and legs are dark blue. It lives in Australian woodlands and scrublands, especially near coastal areas, where it stays on or near Dodonaea plants and feeds on their sap, flowers and seeds.

Source: Wikipedia

How to recognize it

Its large, mostly crimson scutellum has a front blue-black blotch and two rear copper-green spots, with a dark-blue head and legs.

Source: Wikipedia

Size

Adults reach about 1 cm in length.

Source: Wikipedia

Does it bite or sting?

They do not bite or sting, but may release a pungent odor if handled roughly.

Source: Wikipedia

Where it lives

Found in woodlands and scrublands across Australia, it is most common in coastal regions. It is closely tied to Dodonaea shrubs, living on their branches or in surrounding debris.

Source: Wikipedia

What it eats

Both adults and nymphs feed on flower sap and seeds of hop bush (Dodonaea viscosa and D. triquetra).

Source: Wikipedia

Life cycle

Females lay tiny, barrel-shaped eggs that turn from pink to red in a week and hatch after 12 to 21 days depending on weather. Adults live about one year.

Source: Wikipedia

When you see it

They are most active in the summer months, with breeding from November to February.

Source: Wikipedia

Where it comes from

Choerocoris paganus is native to Australia.

Source: Wikipedia

Lookalikes

Among Australian jewel bugs, they are easy to spot by the textured areas on and around the pronotum.

Source: Wikipedia

More photos

Questions people ask

Do they bite or sting?

They do not bite or sting; however, they can emit a strong stink fluid when disturbed.

Source: Wikipedia

What plants do they live on?

They are most often found on Dodonaea shrubs, feeding on the plants’ sap, flowers and seeds.

Source: Wikipedia

When are they most active?

Their activity peaks in the summer, and they breed from November through February.

Source: Wikipedia

Same family (Scutelleridae)

Sources

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

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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