Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Livia bifasciata


Sedge and rush-feeding psyllids of the subfamily Liviinae (Insecta: Hemiptera: Psylloidea): a review.
By Hodkinson I. D. & Bird J.
Zoological Journal of the Linnean Society 128(1): 1-49., 2000

The psyllids (Hemiptera: Psylloidea) of Florida: newly established and rarely collected taxa and checklist
By Halbert SE, Burckhardt D
Insecta Mundi 0788: 1–88, 2020

New species of Psylla from the western United States and biological notes
By Jensen, D.D.
Canadian Entomologist 88: 101-109, 1956
Original descriptions for four species: Cacopsylla notapennis, C. pararibesiae, C. acuminata, & C. nigranervosa, plus a redescription of C. ribesiae

Characters of two North American Chermidae
By Van Duzee, E.P.
Pan-Pacific Entomologist 1: 22-23, 1924
Original description of two Californian endemic psyllids, Bactericera lavaterae and Craspedolepta martini. (pdf)

The Jumping Place Lice of Ohio (Homoptera: Chermidae)
By Caldwell, J.S.
Ohio Biological Survey, 1938

Life cycle variation and adaptation in jumping plant lice (Insecta: Hemiptera: Psylloidea): a global synthesis
By Hodkinson, I.D.
Journal of Natural History Vol. 43, Nos. 1–2, January 2009, 65–179, 2009

Biological Notes and New Records of North American Chermidae (Homoptera)
By Klyver, F.D.
Entomological News 43, 1932

Biosystematics of hackberry psyllids (Pachypsylla) and the evolution of gall and lerp formation in psyllids
By Yang, M.-M. & C. Mitter
The Ecology and Evolution of Gall-forming Insects. United States Dept. of Agriculture, 1993