Which subfamily within Belostomatidae generally contains the truly giant members, such as the genus *Lethocerus*?
Answer
Lethocerinae
The subfamily Lethocerinae is specifically noted as containing the truly giant members within the family Belostomatidae. This subfamily includes the genus *Lethocerus*, which is responsible for housing some of the largest species found globally among the Giant Water Bugs. This tendency toward maximizing size within the Lethocerinae suggests an evolutionary trend within that lineage specifically adapted for powerful aquatic predation, often resulting in specimens exceeding an inch in length.

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