Ryoichi Takahashi (6 April 1898 – 17 July 1963), Japanese entomologist.

Taxon names authored

(List may be incomplete)

• 11 taxon names authored by Ryoichi Takahashi

Publications

(List may be incomplete)

• Takahashi, R. 1920: A new genus and species of aphid from Japan. (Hem.) The Canadian Entomologist 52: 19-20. BHL Reference page. 
• Takahashi, R. 1933. Three interesting aphids from the Far East. Stylops: A Journal of Taxonomic Entomology 2: 27–30. Reference page. 
• Takahashi, R. 1937: A new aphid from Mauritius (Hemiptera). Proceedings of the Royal Entomological Society of London (B) 6(6): 105-106. DOI: 10.1111/j.1365-3113.1937.tb00448.x Reference page. 
• Takahashi, R. 1958. Three new genera of Aphididae from Japan (Homoptera). Kontyû [Tokyo] 26(4): 181–186. NDL Digital Collections . Reference page. 
• Takahashi, R. 1959. Some aphids related to Nipponaphis Pergande in Japan (Homoptera). Bulletin of the University of Osaka Prefecture, Ser. B (Agriculture and biology) 9: 1–8. DOI: 10.24729/00009582 . Reference page. 
• Takahashi, R. 1965. Some new and little-known Aphididae from Japan (Homoptera). Insecta Matsumurana 28(1): 19–61. hdl: 2115/9727 . Reference page. 

References

• Williams, D.J. 2017. The change of depository of a collection of scale insects by Ryoichi Takahashi (Hemiptera: Sternorrhyncha: Coccomorpha). Zootaxa 4358(3): 598–600. DOI: 10.11646/zootaxa.4358.3.13. Reference page.