Was the hermit hummingbird hawkmoth described in the 20th or 21st century?
Macroglossum insipida, the hermit hummingbird hawkmoth, is a moth of the family Sphingidae. It was described by Arthur Gardiner Butler in 1875.
Neither.  It was first described by Arthur Gardiner Butler in 1875, which is in the 19th century.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Was the hermit hummingbird hawkmoth described in the 20th or 21st century?
### Input: Macroglossum insipida, the hermit hummingbird hawkmoth, is a moth of the family Sphingidae. It was described by Arthur Gardiner Butler in 1875.
### Response: Neither.  It was first described by Arthur Gardiner Butler in 1875, which is in the 19th century.