University of California

The North American species of Psylla from willow, with descriptions of new species and notes on biology (Homoptera: Psyllidae)


D. D. Jensen

Author Affiliations

D. D. Jensen was Assistant Professor of Entomology and Assistant Entomologist in the Experiment Station, Berkeley.

Publication Information

Hilgardia 20(16):299-324. DOI:10.3733/hilg.v20n16p299. January 1951.

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This paper deals with the taxonomy and biology of the fourteen species of Psylla known to breed on willow, and seven believed to breed on willow, in North America. The following are new species described here for the first time:

Psylla spiculata

Psylla tenuata

Psylla nordica

Psylla yosemitensis

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Jensen D. 1951. The North American species of Psylla from willow, with descriptions of new species and notes on biology (Homoptera: Psyllidae). Hilgardia 20(16):299-324. DOI:10.3733/hilg.v20n16p299
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