Genus Cacopsylla

Classification · Synonyms and other taxonomic changes · Explanation of Names · Numbers · Identification · Range · Food · Remarks · Works Cited

Psyllid on Ribes californicum/amarum - Cacopsylla notapennis

Pennsylvania Hopper for ID - Cacopsylla annulata

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 Psyllinae

Genus Cacopsylla

Synonyms and other taxonomic changes

Cacopsylla was erected to include species formerly treated as Psylla but not considered to be congeneric with Psylla alni and its relatives, which are normally associated with Betulaceae. A number of subgenera have been described, but the North American species have not been assigned to them (1)

Explanation of Names

Cacopsylla Ossiannilsson 1970

Numbers

>60 spp. in our area (2), >450 total (3)

Identification

Metatibia with 5 apical spurs

Range

Holarctic; widespread in our area, most diverse in the west

Food

About half of our native species (33 spp.) feed on Salix, most of these restricted to the west. Another large component (12 spp.) occurs on Rosaceae, especially Cercocarpus, all western. Other spp. use Adoxaceae (1 sp.) Betulaceae (2 spp.), Elaeagnaceae (3 spp.), Ericaceae (2 spp.), Grossulariaceae (3 spp.), & Sapindaceae (2 spp.)

Adventive spp. in our area use Roseaceae (3 spp.), Pittosporaceae (1 sp.), & Araliaceae (1 sp.)

Remarks

This is the largest nearctic psyllid genus, containing about 20% of described species in our area.

Works Cited

1.	The Nearctic Psylloidea (Insecta: Homoptera): an annotated check list Hodkinson, I.D. 1988. Journal of Natural History, 22 (1179-1243).

2.	American Insects: A Handbook of the Insects of America North of Mexico Ross H. Arnett. 2000. CRC Press.

3.	Ouvrard D. (2013) Psyl'list - The World Psylloidea Database

Contributed by Tim Loh on 24 February, 2009 - 6:07pm
Additional contributions by v belov, Chris Mallory
Last updated 14 February, 2016 - 10:44pm

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