Belostomatidae

plural noun
Bel·o·sto·mat·i·dae | \ ˌbe-lə-stō-ˈma-tə-ˌdē \

Definition of Belostomatidae 

: a family of large predaceous water bugs with piercing and sucking mouthparts that may be very destructive to young fishes

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History and Etymology for Belostomatidae

New Latin, from Belostomat-, Belostoma, type genus (from Greek belos dart + New Latin -stomat-, -stoma) + -idae

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occurring twice a year or every two years

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