Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of various jumping plant lice of the family Psyllidae, especially of the genus Psylla, which includes several species that infest fruit trees.
Century Dictionary and Cyclopedia
- n. A genus of homopterous insects, typical of the family Psyllidæ, having a pointed, bent front, highly arched scutum, and strongly developed scutellum, the body smooth, naked, or finely pilose, and the extreme tip of the wing falling between the radius and the fourth vein. It is a large group, represented in all parts of the world. P. pyri is a common pest of the pear in Europe and North America, producing two or more summer generations of naked young. From the damage it does to young blossoms in the spring, it is sometimes called the bud-blight insect, though more commonly known as the flea-louse of the pear.
- n. [lowercase] An insect of this genus.
Wiktionary
GNU Webster's 1913
- n. (Zoöl.) Any leaping plant louse of the genus Psylla, or family
Psyllidæ .
WordNet 3.0
- n. small active cicada-like insect with hind legs adapted for leaping; feeds on plant juices
Etymologies
- From the genus name. (Wiktionary)
- New Latin Psylla, type genus, from Greek psulla, flea. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“French, literally, flea, from Old French pulce, from Latin pulic-, pulex — more at psylla”
“And this has not one psylla to do with the reincarnation, as I like to call it, that CNN is going through.”
“_ -- The psylla is one of the most serious insects affecting the pear tree.”
“The name of the plant louse that infests pear trees is the pear-tree psylla.”
“Pear Pest's Chemical "Come Hither" Identified web July 2, 2010 Pear psylla is a cicada-like pest with a vexing tendency to develop resistance to insecticides.”
WN.com - Articles related to Kill weeds with help from the sun
“Experiments in pear orchards confirmed that the compound is attractive to males and can be used to bait traps to capture pear psylla.”
“Researchers performed chemical analyses and behavioral assays to isolate and then identify the volatile chemicals extracted from female pear psylla that were most attractive to males.”
“Pear psylla is a cicada-like pest with a vexing tendency to develop resistance to insecticides.”
“Besides luring male psylla onto sticky traps, the compound's discovery could give rise to lures for either monitoring the pest or disrupting its mating.”
“Bemegride fibroplasia triptych photoanode respire metallometric psylla gph multilink stigmatic signet?”
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