I found this large hawkmoth near the ramen restaurant signboard. It’s wingspan is more than 10cm, making it one of Japan’s biggest hawkmoths.

Psilogramma incretumPsilogramma incretumPsilogramma incretum

Lepidoptera: Sphingidae
Psilogramma incretum = shimofuri-suzume

Location: Signboard near Fukuoka University of Education (google map link)