Schmidt, O. (2020)

The structure and musculature of male terminalia in the Palaearctic and Indo-Australian species of the eupitheciine genera Eupithecia Curtis, Gymnoscelis Mabille, and Pasiphila Meyrick (Lepidoptera: Geometridae: Larentiinae)

. Zootaxa, 4896 (2), 224–238.
https://doi.org/10.11646/zootaxa.4896.2.4