ˌbeləstōˈmad.əˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Belostomat-, Belostoma, type genus (from Greek belos dart + New Latin -stomat-, -stoma ) + -idae — more at belone
: a family of large predaceous water bugs with piercing and sucking mouthparts that may be very destructive to young fishes