Cacopsylla
Cacopsylla
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Hemiptera
- Suborder: Sternorrhyncha
- Superfamily: Psylloidea
- Family: Psyllidae
- Subfamily: Psyllinae
- Genus: Cacopsylla
Pronunciation
How to pronounce Cacopsylla: //ˌkækəˈsɪlə//
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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
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