August Rätzer

August Rätzer or Raetzer (1845–1907) was a Swiss entomologist who specialised in Lepidoptera.

He was a Parson in Solothurn.

He wrote Rätzer, 1890 Lepidopterologische Nachlese Mitt.

Ges.

8 : 220–229 in which he first described Erebia christi.