Difference between revisions of "Curculio nucum"
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{{LiteratureDB|{{PAGENAME}}|browse,crops, benefialsN}} | {{LiteratureDB|{{PAGENAME}}|browse,crops, benefialsN}} | ||
[[File:Curculio nucum 01 (MK).jpg|250px|thumb|''Curculio nucum'' (click on image to enlarge it)<br/>Author(s): Mathias Krumbholz<br />source:[http://commons.wikimedia.org/wiki/File:Curculio_nucum_01_%28MK%29.jpg Wikimedia Commons]]] | [[File:Curculio nucum 01 (MK).jpg|250px|thumb|''Curculio nucum'' (click on image to enlarge it)<br/>Author(s): Mathias Krumbholz<br />source:[http://commons.wikimedia.org/wiki/File:Curculio_nucum_01_%28MK%29.jpg Wikimedia Commons]]] | ||
| − | <font color="#800000">'''''Curculio nucum'''''</font> Linnaeus - (hazelnut weevil) | + | <font color="#800000">'''''Curculio nucum'''''</font> Linnaeus, 1758 - (hazelnut weevil) |
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| + | The weevil attacks hazelnuts in southern and central Europe as well as in neighbouring regions. Up to 80% yield losses have been reported. The female lays eggs into the developing hazelnut fruits in April, typically one per fruit. The mature larvae emerge from the nuts in August and drop to the ground for overwintering. The larvae may stay in the soil for more than one year and pupate in the spring. | ||
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| + | The adult is 6-8 mm long, covered with greyish red to greyish brown scales. The rostrum is curved and as long as the body in females. The scutellum is heart-shaped and whitish. | ||
{{VN | {{VN | ||
|en=nut weevil<br/>hazelnut weevil | |en=nut weevil<br/>hazelnut weevil | ||
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|es=balanino del avellano<br/>gorgojo del avellano | |es=balanino del avellano<br/>gorgojo del avellano | ||
}} | }} | ||
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'''Synonyms:'''<br/> | '''Synonyms:'''<br/> | ||
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For details see the respective page in [[wikipedia:Curculio nucum|Wikipedia]]. | For details see the respective page in [[wikipedia:Curculio nucum|Wikipedia]]. | ||
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<gallery widths=200px caption="Other images of Curculio nucum (Wikimedia Commons and IPM Images - click to enlarge)"> | <gallery widths=200px caption="Other images of Curculio nucum (Wikimedia Commons and IPM Images - click to enlarge)"> | ||
Latest revision as of 23:05, 11 January 2023
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Curculio nucum Linnaeus, 1758 - (hazelnut weevil)
The weevil attacks hazelnuts in southern and central Europe as well as in neighbouring regions. Up to 80% yield losses have been reported. The female lays eggs into the developing hazelnut fruits in April, typically one per fruit. The mature larvae emerge from the nuts in August and drop to the ground for overwintering. The larvae may stay in the soil for more than one year and pupate in the spring.
The adult is 6-8 mm long, covered with greyish red to greyish brown scales. The rostrum is curved and as long as the body in females. The scutellum is heart-shaped and whitish.
| Vernacular names | |
|---|---|
| • Deutsch: | Nussrüssler Haselnussbohrer |
| • English: | nut weevil hazelnut weevil |
| • Español: | balanino del avellano gorgojo del avellano |
| • Français: | charançon des noisettes balanin des noisettes |
Synonyms:
Balaninus nucum
For details see the respective page in Wikipedia.
- Other images of Curculio nucum (Wikimedia Commons and IPM Images - click to enlarge)
differences in antennae features of Curculio glandium (left) and C. nucum (right)
larva
