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Adults can mostly be encountered from April through August. These beetles lay their eggs in the bark or leaves of the host-plants. The soil-inhabiting larvae grow up to 7 millimetres (0.28 in) long feeding on juicy plant roots. In Autumn their development is complete. They overwinter and pupate
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The adults grow up to 5–6 millimetres (0.20–0.24 in) long. The colour of this insect is brilliant metallic green, as the black body is coated in emerald round scales. If the scales wear off the body beneath appears dark. Antennae are pale with a dark club. These beetles show a short groove
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species, etc.), but also fruit trees (apple, pear, cherry, etc.) They are considered a pest of fruit trees, causing extensive damages to their buds, blossoms and shoots.
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Helden, A. 2005, Polydrusus (Chrysophis) formosus (Mayer, 1779) (Coleoptera: Curculionidae): a weevil new to
Ireland, Irish Naturalists' Journal, 28
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The adults are eaters of young leaves and open blossoms of a wide variety of woodland trees and shrubs (
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https://web.archive.org/web/20110705155707/http://www.coleopterist.org.uk/checklist2008%20A5.pdf
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A. G. Duff (2008). "Checklist of
Beetles of the British Isles" (PDF). The Coleopterist.
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is a species of broad-nosed weevil belonging to the family
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David V. Alford – Pests of fruit crops – Academic Press
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380:Pests of Fruit Crops: A Color Handbook
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232:This beetle is present in most of
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187:Schaller, 1783 nec Goeze, 1777
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300:. Retrieved August 13, 2010
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683:Beetles described in 1779
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41:Scientific classification
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200:Thomsoneonymus sericeus
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513:Fauna Europaea (new)
332:Invertebrated Online
414:Polydrusus formosus
262:Polydrusus formosus
213:Polydrusus formosus
192:Polydrusus sericeus
150:Polydrusus formosus
25:Polydrusus formosus
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678:Beetles of Europe
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608:Curculio formosus
591:Open Tree of Life
406:Taxon identifiers
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552:NatureServe
539:iNaturalist
357:Nature Spot
269:in Spring.
244:Description
236:and in the
667:Categories
623:Q109603681
308:References
119:Polydrusus
98:Coleoptera
78:Arthropoda
673:Entiminae
395:Bug Guide
222:Entiminae
126:Species:
64:Kingdom:
58:Eukaryota
617:Wikidata
557:2.920237
461:BugGuide
437:BioLib:
429:Q7226300
423:Wikidata
264:– mating
167:Synonyms
104:Family:
74:Phylum:
68:Animalia
54:Domain:
650:5011449
596:3411338
583:1342089
531:4468015
479:3335474
281:Quercus
253:Biology
160:, 1779)
114:Genus:
94:Order:
88:Insecta
84:Class:
544:494559
505:255510
492:273248
453:515293
321:Biolib
234:Europe
637:32H3V
487:EUNIS
466:35040
440:12773
158:Mayer
645:GBIF
578:NCBI
526:GBIF
448:BOLD
632:CoL
565:NBN
474:EoL
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