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A larva of a chalcid wasp, Tetramesa grandis, of western North America, that infests wheat and reduces yield.
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) another name for a caddisworm
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014



a chalcid larva that feeds within the stems of grasses, often forming a gall at a joint. Also called strawworm.
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.strawworm - larva of the caddis fly; constructs a case of silk covered with sand or plant debris
order Trichoptera, Trichoptera - an order of insects consisting of caddis flies
caseworm - insect larva that constructs a protective case around its body
2.strawworm - larva of chalcid flies injurious to the straw of wheat and other grainsstrawworm - larva of chalcid flies injurious to the straw of wheat and other grains
Chalcidae, Chalcididae, family Chalcidae, family Chalcididae - an arthropod family including: chalcidflies
larva - the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
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