also: ほたるが
noun
Pidorus glaucopis (species of moth)
A moth species native to East Asia, known for its resemblance to a firefly. Scientific name: Pidorus glaucopis.
ホタルガは、その名の通りホタルのような姿をした蛾です。
The Pidorus glaucopis is a moth that, as its name suggests, looks like a firefly.
夏の夜、ホタルガが灯りに集まってきた。
On a summer night, Pidorus glaucopis moths gathered around the light.