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Asparagus Beetle (Crioceris)

The asparagus beetles belong to the leaf beetle family. As their name indicates, these beetles feed on asparagus primarily, with both the larvae and adults considered pests to these plants.

Asparagus Beetle

List of Species Belonging to this Genus

  • Common Asparagus Beetle (Crioceris asparagi)
  • Crioceris bicruciata
  • Spotted Asparagus Beetle (Crioceris duodecimpunctata)
  • Crioceris macilenta
  • Crioceris nigropunctata
  • Crioceris paracenthesis
  • Crioceris quatuordecimpunctata
  • Crioceris quinquepunctata

Physical Description and Identification

Adult 

Size: 0.25 in (0.635 cm)

Color: Varies greatly among species. For instance, the common asparagus beetle is bluish-black with six cream spots, while the spotted asparagus beetle is reddish orange with twelve black spots.

Other Characteristic Features: Their bodies are round and shaped like a dome.

Crioceris

Larva

They are orange colored grubs who spend most of their time feeding.

Asparagus Beetle Larvae

Pupa

Pupation takes place underneath the soil.

Egg

These are green and oval-shaped.

Asparagus Beetle Eggs

Quick Facts

Lifespan3-4 weeks
DistributionNorth America and Europe
HabitatGardens
PredatorsLacewings and ladybirds
Seasons activeSpring
Host PlantsAsparagus
Diet of adultsAsparagus
Asparagus Beetle Damage

Identifying the Damage Caused by Them

Both adults and larvae damage asparagus plants, resulting in defoliation. This will cause infected plants to become brown, wither and ultimately die.

Asparagus Beetle Picture

Did You Know

  • French entomologist Étienne Louis Geoffroy first described this genus in 1762.

Image Source: ag.umass.edu, bugguide.net, vegento.russell.wisc.edu, uconnladybug.files.wordpress.com, backyardgardenlover.com,

The asparagus beetles belong to the leaf beetle family. As their name indicates, these beetles feed on asparagus primarily, with both the larvae and adults considered pests to these plants.

Asparagus Beetle

List of Species Belonging to this Genus

  • Common Asparagus Beetle (Crioceris asparagi)
  • Crioceris bicruciata
  • Spotted Asparagus Beetle (Crioceris duodecimpunctata)
  • Crioceris macilenta
  • Crioceris nigropunctata
  • Crioceris paracenthesis
  • Crioceris quatuordecimpunctata
  • Crioceris quinquepunctata

Physical Description and Identification

Adult 

Size: 0.25 in (0.635 cm)

Color: Varies greatly among species. For instance, the common asparagus beetle is bluish-black with six cream spots, while the spotted asparagus beetle is reddish orange with twelve black spots.

Other Characteristic Features: Their bodies are round and shaped like a dome.

Crioceris

Larva

They are orange colored grubs who spend most of their time feeding.

Asparagus Beetle Larvae

Pupa

Pupation takes place underneath the soil.

Egg

These are green and oval-shaped.

Asparagus Beetle Eggs

Quick Facts

Lifespan3-4 weeks
DistributionNorth America and Europe
HabitatGardens
PredatorsLacewings and ladybirds
Seasons activeSpring
Host PlantsAsparagus
Diet of adultsAsparagus
Asparagus Beetle Damage

Identifying the Damage Caused by Them

Both adults and larvae damage asparagus plants, resulting in defoliation. This will cause infected plants to become brown, wither and ultimately die.

Asparagus Beetle Picture

Did You Know

  • French entomologist Étienne Louis Geoffroy first described this genus in 1762.

Image Source: ag.umass.edu, bugguide.net, vegento.russell.wisc.edu, uconnladybug.files.wordpress.com, backyardgardenlover.com,

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