Reference citation:
Marcel Hospers. 2020. Hartigiola annulipes forms gall on Fagus sylvatica. iNaturalist.org. Accessed at on 23 Jan 2021.

Source citation:
http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world.

Source archive URL:
https://github.com/globalbioticinteractions/inaturalist/archive/8d3e240982f0f68b3da2767abe9b27e5bbfeed41.zip

Reference citation:
jupreudhomme. 2020. Hartigiola annulipes insect host plant Fagus sylvatica. iNaturalist.org. Accessed at on 23 Jan 2021.

Source citation:
http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world.

Source archive URL:
https://github.com/globalbioticinteractions/inaturalist/archive/8d3e240982f0f68b3da2767abe9b27e5bbfeed41.zip

Reference citation:
Gilles San Martin. 2019. Hartigiola annulipes host plant Fagus sylvatica. iNaturalist.org. Accessed at on 23 Jan 2021.

Source citation:
http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world.

Source archive URL:
https://github.com/globalbioticinteractions/inaturalist/archive/8d3e240982f0f68b3da2767abe9b27e5bbfeed41.zip

Reference citation:
deboas. 2018. Hartigiola annulipes interaction->parasite of Fagus sylvatica. iNaturalist.org. Accessed at on 23 Jan 2021.

Source citation:
http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world.

Source archive URL:
https://github.com/globalbioticinteractions/inaturalist/archive/8d3e240982f0f68b3da2767abe9b27e5bbfeed41.zip