πŸͺ² Beetles

Formosan Rosalia

Rosalia formosa

Near Threatened

About Formosan Rosalia

A stunning cerambycid endemic to Taiwan with turquoise-blue elytra and black markings. It inhabits montane hardwood forests at elevations above 1000 meters. It is highly prized by collectors and rarely encountered in the wild.

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Did You Know?

This species appears on a Taiwanese postage stamp issued in 2010, highlighting its cultural significance.

How to Identify Formosan Rosalia

Formosan Rosalia (Rosalia formosa) belongs to the order Coleoptera, family Cerambycidae. Adults typically measure 20-35 mm.

Formosan Rosalia Habitat

Formosan Rosalia is found in forests habitats, particularly across Taiwan. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Formosan Rosalia Diet and Feeding

Formosan Rosalia feeds on plant sap by piercing stems and leaves with specialised mouthparts. Sap feeders extract nutrients directly from the plant's vascular system.

Where Is Formosan Rosalia Found?

Formosan Rosalia can be found in Taiwan, where it inhabits forests environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Formosan Rosalia can be found

Is Formosan Rosalia Dangerous?

Formosan Rosalia is generally harmless to humans. It does not bite or sting and poses no significant health risk. Like most insects, it prefers to avoid human contact and will typically flee rather than confront a perceived threat.

Formosan Rosalia Role in Nature

Formosan Rosalia is part of the food web as a primary consumer, feeding on plant material. It serves as an important food source for birds, bats, amphibians, and other insectivores, connecting plant energy to higher trophic levels.

Seasonal Activity

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Peak activity Moderate Low / dormant

Frequently Asked Questions About Formosan Rosalia

What does Formosan Rosalia look like?

The Formosan Rosalia typically measures 20-35 mm.

Where is Formosan Rosalia found?

The Formosan Rosalia is found in Taiwan and typically inhabits forests environments.

What does Formosan Rosalia eat?

The Formosan Rosalia feeds on plant sap by piercing stems and leaves.

Is Formosan Rosalia dangerous to humans?

The Formosan Rosalia is generally harmless to humans. It does not bite or sting and poses no significant health risk.

Is Formosan Rosalia endangered?

The Formosan Rosalia is currently classified as Near Threatened by conservation assessments. Habitat loss and environmental changes are among the primary threats to its population.

What is an interesting fact about Formosan Rosalia?

This species appears on a Taiwanese postage stamp issued in 2010, highlighting its cultural significance.

Cite This Page

APA:
InsectDiscover. (2026). Formosan Rosalia (Rosalia formosa). Retrieved from https://insectdiscover.com/insect/formosan-rosalia

MLA:
"Formosan Rosalia." InsectDiscover, https://insectdiscover.com/insect/formosan-rosalia.