Home / Leaf Beetles (Chrysomelidae) / Green Dock Beetle (Gastrophysa viridula)

Green Dock Beetle (Gastrophysa viridula)

The green dock beetle is a member of the family of leaf beetles. Swedish entomologist Baron Charles de Geer first described this species in 1775.

Green Dock Beetle

Scientific Classification

  • Family: Chrysomelidae
  • Genus: Gastrophysa 
  • Scientific name: Gastrophysa viridula

Physical Description and Identification

Adult 

Size: 7 mm (females); 4 mm (males)

Color: They are green with a metallic shimmer. When light falls on them, the shimmer varies in color from blue to gold green, purple to red, or even violet. Their legs are also a metallic green color.

Other Characteristic Features: Their antennae are medium in length and serrated, while the legs appear strongly built.

Green Dock Leaf Beetle

Larva

The larvae range from greenish-gray to dark brown. They are 8 mm long and segmented. Young larvae, when disturbed falls to the ground, while feeding, secrete a substance to repel other larvae from eating leaves.

Green Dock Beetle Larvae

Pupa

After completing three instars the larva begins to pupate inside a burrow about 2 cm underground.

Green Dock Beetle Pupa

Egg

The eggs range from cream to yellow and are oval-shaped. On coming close to hatching, the eggs become orange. Females lay over 1000 eggs in their lifetime, with 20 – 45 eggs being laid at a time.

Green Dock Beetle Eggs

Quick Facts

Other namesGreen sorrel beetle, green dock leaf beetle, green dock beetle
Lifespan2 months
DistributionCentral Europe, Britain, western Siberia, and the Caucasus mountains
HabitatGardens, forests, heathlands, and meadows
Seasons activeMay – June
Diet of adultsOver-ripe or decayed fruit
Green Dock Beetle Damage

Identifying the Damage Caused by Them

The larvae of these beetles can only feed on the leaves of the Rumex species, making it easy to identify an infestation.

Did You Know

  • There are two known sub-species of this beetle – Gastrophysa viridula pennina and Gastrophysa viridula viridula.
Gastrophysa viridula
Green Sorrel Beetle

Image Source: earthstarblog.files.wordpress.com, arthropodafotos.de, warehouse1.indicia.org.uk, arthropodafotos.de, live.staticflickr.com, aphotofauna.com, alchetron.com,

The green dock beetle is a member of the family of leaf beetles. Swedish entomologist Baron Charles de Geer first described this species in 1775.

Green Dock Beetle

Physical Description and Identification

Adult 

Size: 7 mm (females); 4 mm (males)

Color: They are green with a metallic shimmer. When light falls on them, the shimmer varies in color from blue to gold green, purple to red, or even violet. Their legs are also a metallic green color.

Other Characteristic Features: Their antennae are medium in length and serrated, while the legs appear strongly built.

Green Dock Leaf Beetle

Larva

The larvae range from greenish-gray to dark brown. They are 8 mm long and segmented. Young larvae, when disturbed falls to the ground, while feeding, secrete a substance to repel other larvae from eating leaves.

Green Dock Beetle Larvae

Pupa

After completing three instars the larva begins to pupate inside a burrow about 2 cm underground.

Green Dock Beetle Pupa

Egg

The eggs range from cream to yellow and are oval-shaped. On coming close to hatching, the eggs become orange. Females lay over 1000 eggs in their lifetime, with 20 – 45 eggs being laid at a time.

Green Dock Beetle Eggs

Quick Facts

Other namesGreen sorrel beetle, green dock leaf beetle, green dock beetle
Lifespan2 months
DistributionCentral Europe, Britain, western Siberia, and the Caucasus mountains
HabitatGardens, forests, heathlands, and meadows
Seasons activeMay – June
Diet of adultsOver-ripe or decayed fruit
Green Dock Beetle Damage

Identifying the Damage Caused by Them

The larvae of these beetles can only feed on the leaves of the Rumex species, making it easy to identify an infestation.

Did You Know

  • There are two known sub-species of this beetle – Gastrophysa viridula pennina and Gastrophysa viridula viridula.
Gastrophysa viridula
Green Sorrel Beetle

Image Source: earthstarblog.files.wordpress.com, arthropodafotos.de, warehouse1.indicia.org.uk, arthropodafotos.de, live.staticflickr.com, aphotofauna.com, alchetron.com,

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