Rosamond Gifford Zoo

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Harlequin Flower Beetle

Gymnetis thula

The Harlequin Flower Beetle is a strikingly patterned species of scarab beetle. They are a robust yellow and black beetle with a large pattern variation between individuals. Although they are not identical, they are all the same species. Adults grow to approximately 16-21 mm.

Range & Habitat

These day-flying beetles can be found in the southeastern United States and northern Mexico within low-elevation & mid-elevation tropical rainforests. Larvae have been found dwelling in tree holes of post oak, mesquite, & several other species.

Conservation Status: Not Evaluated


In the Wild: Variety of flowers, nectar, fruit, pollen, and tree sap

In Human Care: A variety of ripe fruit & scraps of vegetables

Life Span

In the Wild: unknown
In Human Care: Unknown

Fun Facts about the Harlequin Flower Beetle

  • Flower scarabs are important pollinators.
  • Scarab beetles are distinguished from other beetles by their antennae which terminates in three flattened plates that fit together to form a club.
  • They undergo complete metamorphosis with four stages of development: egg, larvae, pupa, and adult.


Ehrman, J. and Schaffer, D. (2014). Beetle, Harlequin Flower. Retrieved May 27, 2021, from

InsectIdentification (Ed.). (2021). Harlequin Flower Beetle. Retrieved May 27, 2021, from

Updated August 18, 2021