(redirected from cankerworms)
Also found in: Thesaurus, Encyclopedia.
Related to cankerworms: palmerworm


The larva of either of two geometrid moths (Paleacrita vernata or Alsophila pometaria), destructive to fruit and shade trees.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Animals) the larva of either of two geometrid moths, Paleacrita vernata or Alsophila pometaria, which feed on and destroy fruit and shade trees in North America
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈkæŋ kərˌwɜrm)

the striped green caterpillar of any of several geometrid moths: a foliage pest of trees.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cankerworm - green caterpillar of a geometrid mothcankerworm - green caterpillar of a geometrid moth; pest of various fruit and shade trees
family Geometridae, Geometridae - measuring worms
spring cankerworm - variably colored looper; larva of Paleacrita vernata
fall cankerworm - green or brown white-striped looper; larva of Alsophila pometaria
caterpillar - a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
O envy, root of all countless evils, and cankerworm of the virtues!
Sickness, like a cankerworm, was gnawing at her life, and dragging her towards the tomb.
He, however, emphasised that once the cankerworms of bribery, nepotism, laziness and corruption are effectively banished from the psyche of Nigerians, including the professionals, the issue of building collapse would be a thing of the past.
Spittlebugs appear on pine trees, azalea mites on azaleas, cankerworms on elms and maples, lace bugs on the mountain ash.
However, the amount of feeding done by the cabbage looper and cabbageworm, cankerworms, corn earworms and the European Corn borer, cutworms and the granddaddy of caterpillars, the tomato hornworm, which can grow up to 5 inches long, is extensive.
On Martha's Vineyard, where we spent our summers, many of the trees were barren, having been defoliated by cankerworms. I was plunging into uncertainty and self-doubt.
Those worms in Alligator, for instance (a presence reminiscent of Carol Shields' The Republic of Love and its insidious Winnipeg cankerworms), ultimately become ethereal moths at novel's end.
The most well known of such vivid accounts of Keats's cruel treatment is, of course, Shelley's preface to Adonais: The genius of the lamented person to whose memory I have dedicated these unworthy verses was not less delicate and fragile than it was beautiful; and where cankerworms abound what wonder if its young flower was blighted in the bud?
Many garden pests are carabid food: cutworms, codling moth larvae, tent caterpillars, slugs, snails and cankerworms to name a few.
It is even used on ornamental trees to kill cankerworms etc.
We compared cankerworm densities and defoliation levels of small trees (0.5-3.0 m in height) located either under a mature box elder, under a mature conspecific, or in the open and relatively isolated from other trees that could serve as sources of cankerworms.