Harpalus giacomazzoi is a species of ground beetle in the subfamily Harpalinae.[1] It was described by Kataev & Wrase in 1996[1] and is endemic to Sichuan, China.[2]
The species is 8.4- long by 3.6- wide but can be 10.2- long by 4.4- wide. Both antenna and palpi are brownish-yellow in colour with black head and dark brown or black tibiae.[2]