noun
insect cage; bug cage
A small cage or container for keeping insects, often used by children for collecting bugs.
夏休みに虫かごを持って公園へ行った。
I went to the park with an insect cage during summer vacation.
虫かごの中にカブトムシがいる。
There is a rhinoceros beetle in the insect cage.
Compound of 虫 (mushi, 'insect') and かご (kago, 'basket' or 'cage'). The kanji 籠/篭 means 'basket' or 'cage'.