|2011 | 1999 | Manga|
|Located In||Zevil Island|
Hemotropic Butterfly (好血蝶 Kōchichō) is a species of crimson-colored butterflies found on Zevil Island. Attracted to the scent of blood, they have a habit of feeding off the open sores of bigger creatures. Gon used them during the Hunter Exam to find and stalk Hisoka.