
Adolph Speyer was a German entomologist who specialised in Lepidoptera, especially Hesperiidae.
Dr. Adolph Speyer wrote more than 70 papers on butterflies and their distribution.
Adolph Speyer was a German entomologist who specialised in Lepidoptera, especially Hesperiidae.
Dr. Adolph Speyer wrote more than 70 papers on butterflies and their distribution.