Pulvinaria hydrangeae Steinweden, 1946

Synonyms: Eupulvinaria hydrangeae Canard, 1965; Pulvinaria hydrangeae Ben-Dov, 1993
Homonyms: Pulvinaria hydrangeae Steinweden, 1946; Pulvinaria hydrangeae Ben-Dov, 1993
Common names: Hortensia-skjoldlus in Danois; cottony hydrangea scale in Anglais; Hydrangea Scale Insect in Anglais; Hydrangea-dopluis in Néerlandais; Hydrangeadopluis in Néerlandais

Ben-Dov, Yair, 1993: null. A Systematic Catalogue of the Soft Scale Insects of the World (Homoptera: Coccoidea: Coccidae). xxviii + 536.
Choi, Jinyeong, and Seunghwan Lee, 2017: Taxonomic review of the tribe Pulvinariini (Hemiptera: Coccidae) in Korea. Journal of Asia-Pacific Entomology, vol. 20. 89-100.
Gertsson (2015-11-24 23:00:00) """Coccoidea Sverige Kollad av C_A G.xlsx"" sent to Johan Liljeblad via e-mail on 2015-09-14."
Gertsson C.A. – A checklist of the scale insects (Hemiptera Coccomorpha) in Luxembourg. REDIA, XCIX, 2016: 151-153
Gertsson, C.-A. & N. Schneider, 2020. An updated checklist of scale insects in Luxembourg (Hemiptera, Sternorrhyncha, Coccomorpha). Bulletin de la Societé des naturalistes luxembourgois 122 : 131-139
Hodgson, C. J., and R. C. Henderson, 2000: Coccidae (Insecta: Hemiptera: Coccoidea). Fauna of New Zealand, no. 41. 264.
Tanaka, Hirotaka, and Satoshi Kamitani, 2021: Redescriptions of six Japanese species of the genus Pulvinaria (Hemiptera: Coccomorpha: Coccidae) with four new synonymies. Zootaxa, vol. 5071, no. 1. 51-75.