Difference between revisions of "Acanthoscelides obtectus"
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[[File:Acanthoscelides obtectus Flickr.jpg|300px|thumb|''Acanthoscelides obtectus'' (click on image to enlarge it)<br/>Udo Schmidt<br/>Source: [https://www.flickr.com/photos/coleoptera-us/5990120739/ Flickr]]] | [[File:Acanthoscelides obtectus Flickr.jpg|300px|thumb|''Acanthoscelides obtectus'' (click on image to enlarge it)<br/>Udo Schmidt<br/>Source: [https://www.flickr.com/photos/coleoptera-us/5990120739/ Flickr]]] | ||
<font color="#800000">'''''Acanthoscelides obtectus'''''</font> (Say, 1831) - (bean weevil) | <font color="#800000">'''''Acanthoscelides obtectus'''''</font> (Say, 1831) - (bean weevil) | ||
Latest revision as of 21:07, 16 August 2022
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Acanthoscelides obtectus (Say, 1831) - (bean weevil)
The beetle attacks the seeds of beans in the field and in storage. Occasionally, also the seeds of peas, soya and lentils are infested. The species is believed to have originated from Central America, but now has a world-wide distribution. Dry weight losses of the seeds can exceed 50%.
Female weevils lay their eggs inside the pods in the field or on the stored seeds. There is usually one larva developing per seed which pupates inside the seed. The weevil can spread to a new field if some of the planted seeds contain larvae or pupae. With a life cycle of around 4 weeks, there are usually several generations per year.
| Vernacular names | |
|---|---|
| • Deutsch: | Bohnenkäfer Speisebohnenkäfer |
| • English: | bean weevil common bean weevil bean seed beetle bean bruchid |
| • Español: | gorgojo de la judia |
| • Français: | charançon du haricot bruche du haricot |
| • Português: | caruncho-do-feijão |
Synonyms:
Acanthoscelides obsoletus
Bruchus obtectus
- Other images of Acanthoscelides obtectus (Wikimedia Commons and PaDIL - click to enlarge)
head
head
pronotum
thorax and abdomen
hindleg with teeth
posterior end
