Aridaeus thoracicus

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Tiger longicorn beetle
Kioloa fauna 80.jpg
Female longicorn beetle in Kioloa, New South Wales
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Superfamily: Chrysomeloidea
Family: Cerambycidae
Genus: Aridaeus
Species: A. thoracicus
Binomial name
Aridaeus thoracicus
Donovan 1805
Longicorn beetle on a tick bush at Como, Australia

Aridaeus thoracicus, the tiger longicorn, is a common beetle found in Australia. An attractively marked insect with orange and black patterns, the femur of each leg is swollen in the middle. Orange hairs may be noticed on the legs and thorax.[1] It was described by Anglo-Irish naturalist Edward Donovan in 1805.

In the warmer months, adults are seen on flowering plants, feeding on the pollen and nectar, particularly those in the myrtle family. Larvae feed on dead wood of a variety of trees.


  1. ^ Australian Insects - John Child, page 92. Library of Congress Catalog Card 6822996