Wren Franklin, a masters student at Bournemouth University, found two of the great silver water beetles (hydrophilus ... described it as a “gentle giant” because it mostly scavenges plant ...

（stridulation（英语：stridulation）），如腿部。有些天牛，如giant Fijian long-horned beetle（英语：giant Fijian long-horned beetle），藉由將空氣由鞘翅下擠出來發聲，但這種方式和氣門無關。對於馬島蟑螂，嘶鳴聲有三種： ...

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The UK’s heaviest beetle, the great silver water beetle is regarded as a gentle giant, rather than an aggressive predator, and mostly scavenges plant material for food. “It was a really ...