Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12


Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Diaphorina citri - Asian Citrus Psyllid

Tiny - Diaphorina citri Diaphorina citri? - Diaphorina citri Asian citrus psyllid? - Diaphorina citri Asian Citrus Psyllid - Diaphorina citri Asian citrus psyllid - Diaphorina citri Bad news? - Diaphorina citri Asian Citrus Psyllid (nymphs) - Diaphorina citri Asian Citrus Psyllid (nymphs) - Diaphorina citri
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Psylloidea
Family Psyllidae
Subfamily Diaphorininae
Genus Diaphorina
Species citri (Asian Citrus Psyllid)
Other Common Names
ACP
Explanation of Names
Diaphorina citri Kuwayama 1908
Size
adults 3-4 mm, nymphs: 1st instar 0.25 mm, last (5th) instar 1.5-1.7 mm(1)
Identification

Nymphs; wingpads massive; white waxy excretions of the nymphs on new leaves are indicative(1)
Range
so.CA-AZ, TX-FL-SC (as of Feb. 2012)(2)
Native to S. Asia, adventive in NA
Food
Hosts: mainly Citrus, but also other Rutaceae(2)(1)
Life Cycle
Total life cycle: 15-47 days, depending upon season; 9-10 (maybe more) generations a year. No diapause; in winter (the dry season) populations are low.(1)
Remarks
Earliest record in our area: FL 1998. Damages citrus plants by feeding on sap; a vector of citrus greening disease (Huanglongbing).(3)
The Eulophid parasitoid, Tamarixia radiata, has been introduced from Korea to combat this pest.
Internet References