Cacopsylla

Cacopsylla

Classification

Pronunciation

How to pronounce Cacopsylla: //ˌkækəˈsɪlə//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Images

Psyllid Plant Louse (30538357803) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.
Psyllid Plant Louse (31252498871) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.
Psyllid Plant Louse (30538359833) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.
Psyllid Plant Louse (31252498131) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.
Psyllid Plant Louse (30976882180) by Katja Schulz from Washington, D. C., USA. Used under a CC BY 2.0 license.
Image from page 29 of "A manual of dangerous insects likely to be introduced in the United States through importations" (1917) (14598103260) by Internet Archive Book Images. Used under a No restrictions license.

Summary

Cacopsylla is the largest genus of Nearctic psyllids, with over 60 species in North America. They are predominantly found in areas with host plants such as pear trees and have significant agricultural relevance due to their impact on fruit production.

Physical Characteristics

Metatibia with 5 apical spurs.

Identification Tips

Look for psyllids associated with plants of the genus Pyrus, identifiable by their jumping behavior.

Habitat

Most diverse in western North America; found in habitats where host plants occur.

Distribution

Holarctic; widespread in North America, particularly in western regions.

Diet

Most Cacopsylla species are plant feeders, with some being harmful to fruit trees, particularly those of the genus Pyrus.

Life Cycle

Lifecycle includes egg, several nymph stages, and adult; often tied to host plant phenology.

Reproduction

Reproduces through sexual means; females lay eggs on host plants where nymphs develop.

Ecosystem Role

As herbivores, they play a role in plant community dynamics and may serve as prey for other insects and wildlife.

Economic Impact

Includes species harmful to fruit trees, impacting agriculture and fruit production.

Collecting Methods

  • Sweep netting
  • Visual inspection of host plants
  • Yellow sticky traps

Preservation Methods

  • Pinning
  • Preserving in ethanol
  • Drying

Similar Taxa

Misconceptions

Often confused with other genera of plant lice; not all Cacopsylla species are harmful to plants.

Tags

  • insect
  • bug
  • hemiptera
  • plant lice
  • agriculture
  • Cacopsylla