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Weevil; Gorgojo

Anisorhynchus sp.

Photo by arlanda
Published on Project Noah
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40.5402, -3.68711

Field Notes

Description:

Anisorhynchus genus species are the biggest Curculionidae (weevils) in the Iberian peninsula. There are 8 different species.

They feed on a great variety of plants.

Habitat:

Spotted on Thapsia villosa plant. Evergrenn oak and pine tree forest. Dehesa de Valdelatas

Notes:

Camera Model: NIKON D500. Exposure Time: 1/160 sec.; f/22; ISO Speed Rating: 8000. Focal Length: 90.0 mm. No flash fired. DSC_2268

Species ID Suggestions

Comments (2)

Interesting remarks, thaptor. I agree with you that it would be an interesting field for citizen science
Do they really " feed on a great variety of plants"? Fine you noted which plant it was here - Thapsia (Apiaceae) is a fine host candidate, because species of the related weevil genus Liparus also are on Apiaceae. Only other mention I found for a host relation is here: https://www.naturamediterraneo.com/forum/topic.asp?TOPIC_ID=28246 which I believe is NOT confirmed by this observation: https://www.naturamediterraneo.com/forum/topic.asp?TOPIC_ID=48433 because nature of leaf attachment is not like in Allium. The plant, however, may belong in Apiaceae, and associations with Apiaceae is all I can find: https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img245599.html https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img140144.html https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img110261.html https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img86807.html https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img85945.html possibly also this: https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-sp.-img208596.html https://www.biodiversidadvirtual.org/insectarium/Anisorhynchus-img75667.html but most images are only of pedestrians, not feeding. There is possibility that in several cases, weevils were found crawling on, or sitting under a plant, and this was then recorded as a "host". Would be worth to establish what the true host range may be - feeding experiments, more field observations - nice thing for citizen science!

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