Home / Longhorn Beetles (Cerambycidae) / Harlequin Beetle (Acrocinus longimanus)

Harlequin Beetle (Acrocinus longimanus)

Harlequin beetle of the longhorned beetle family has a wide range from southern Mexico to Uruguay.  The elaborate and striking color pattern exhibited in these beetles earns them their name.  These beetles have the unique ability to carry pseudoscorpions in their abdomen and help them reach their food sources or find a potential mate for themselves.

Harlequin Beetle

Scientific Classification

  • Family: Cerambycidae
  • Genus: Acrocinus
  • Scientific name: Acrocinus longimanus

Physical Description and Identification

Adult

Size: 76 mm (3 inches)

Color: They have a striking red and black pattern with a greenish-yellow marking on their wing covers.

Other Characteristic Features: Sexual dimorphism is prominent in these beetles. The males have long and nearly straight forelegs, cephalic horns, and large mandibles. In the females, the forelegs are shorter and more curved, the mandibles are smaller while the cephalic horns remain absent.

Acrocinus longimanus

Larva

They have a white hairy body, and these beetles spend a significant part of their life as larvae.

Pupa

The pupa remains buried in the tunnel, bored by the larva in the wood it inhabits.

Egg

The eggs appear small and white.

Quick Facts

Adult lifespanAbout six months
Duration of larval stageApproximately 9 years
DistributionSouthern Mexico, parts of Uruguay
HabitatTropical forests, in the woods of fig and other trees
Common PredatorsBirds
Seasons active fromMarch – June
Host PlantsFigs and other plants in the tropical region
Diet of larvae and adultsSap of the trees of their host plants
Harlequin Beetle Picture

Identifying the Damage Caused by Them

Not much is known about the damage caused by these beetles to the trees. However, since the larvae bore into the wood, they are likely to hamper its quality to a certain extent.

Did You Know

  • Longimanus (species name) is a Latin word that in English means long forelegs, which the male species display.
Harlequin Beetle Image

Image Source: i1.wp.com, i.pinimg.com, felipedelbosque.files.wordpress.com, live.staticflickr.com

Harlequin beetle of the longhorned beetle family has a wide range from southern Mexico to Uruguay.  The elaborate and striking color pattern exhibited in these beetles earns them their name.  These beetles have the unique ability to carry pseudoscorpions in their abdomen and help them reach their food sources or find a potential mate for themselves.

Harlequin Beetle

Physical Description and Identification

Adult

Size: 76 mm (3 inches)

Color: They have a striking red and black pattern with a greenish-yellow marking on their wing covers.

Other Characteristic Features: Sexual dimorphism is prominent in these beetles. The males have long and nearly straight forelegs, cephalic horns, and large mandibles. In the females, the forelegs are shorter and more curved, the mandibles are smaller while the cephalic horns remain absent.

Acrocinus longimanus

Larva

They have a white hairy body, and these beetles spend a significant part of their life as larvae.

Pupa

The pupa remains buried in the tunnel, bored by the larva in the wood it inhabits.

Egg

The eggs appear small and white.

Quick Facts

Adult lifespanAbout six months
Duration of larval stageApproximately 9 years
DistributionSouthern Mexico, parts of Uruguay
HabitatTropical forests, in the woods of fig and other trees
Common PredatorsBirds
Seasons active fromMarch – June
Host PlantsFigs and other plants in the tropical region
Diet of larvae and adultsSap of the trees of their host plants
Harlequin Beetle Picture

Identifying the Damage Caused by Them

Not much is known about the damage caused by these beetles to the trees. However, since the larvae bore into the wood, they are likely to hamper its quality to a certain extent.

Did You Know

  • Longimanus (species name) is a Latin word that in English means long forelegs, which the male species display.
Harlequin Beetle Image

Image Source: i1.wp.com, i.pinimg.com, felipedelbosque.files.wordpress.com, live.staticflickr.com

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