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Definitions (528)
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Action threshold
pest density of an increasing infestation used to initiate control measures; may be based on experiencerather than experimentation and require readjustment when density/damage relationships are better [..]
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voucher specimen
a sample curated for later reference; purpose to ensure correct identification and maintain the capability to verify objects under study even if taxonomic revisions occur
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Cultural control
pest management practices that rely upon manipulation of the cropping environment (e.g., cultivation of weeds harboring insect pests or natural enemies)
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Elateriform
(larva) - a larva resembling a wireworm with a slender body, heavily sclerotized, with short thoracic legs and only a few body bristles (Glossary of PM)
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Eruciform
(larva) - caterpillar; a larva with a cylindrical body, well-developed head, and with both thoracic legs and some
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Haustellate
a division of insects where the mouth has a haustellum, or proboscis adapted for sucking and lapping food; typical of many flies
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idiosoma
posterior of the two basic parts of the body of a mite or tick, bearing the legs and most internal organs (Glossary of PM)
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Phloem
living conducting tissue of a plant, a system basically composed of sieve tubes, companion cells, fibers and sclereids to convey the products of photosynthesis, particularly sucrose, from the leaves t [..]
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Scarabaeiform
(larva) - grublike larva with a thickened cylindrical body, well-developed head and thoracic legs without abdominal prolegs, usually C-shaped
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wettable powder
finely particulate inert material (e.g. kaolin) containing pesticide that forms a stable (semi-permanent) suspension when added to water (may require tank agitation to maintain suspension) (Glossary o [..]
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