A mole cricket, 蝼蛄, is a burrowing insect that harms crops.
Tips
history
蝼 never stands alone; it appears in 蝼蛄 (mole cricket) and the figurative 蝼蚁 (mole crickets and ants — i.e. lowly, powerless people). It joins the insect radical 虫 with 娄 for the sound.
register
Bound — found only in 蝼蛄 and the literary 蝼蚁, not as a free word.