crawling insect
Definitions
Any small invertebrate animal, such as an ant, beetle, or spider, that moves primarily by creeping or walking on legs.
A wingless or flightless arthropod that travels across surfaces rather than flying.
Examples
The gardener carefully moved the crawling insect away from the delicate flower petals.
I felt a tickle on my arm and realized it was just a harmless crawling insect.
The entomologist spent hours in the field documenting every crawling insect he could find.