National Trust Purbeck Wildlife

Anyone for Cricket?

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Anyone for cricket?

Great green bush-cricket

Great green bush-cricket

We often hear the various chirping, trilling and buzzing of crickets and grasshoppers at this time of year but finding them, let alone catching them, is a great challenge that quickly brings back childhood memories. So I couldn’t resist when this spectacular great green bush-cricket, the sword-shaped ovipositor indicating a female, appeared beside a grassy path at Middle Beach.

Despite being by far our largest bush-cricket, the expert camouflage of the great green makes them hard to spot though males can be located by their very loud ‘song’, produced by rubbing a hind leg against a wing, that sounds like a sewing machine going continuously for long periods.

However, the song of some species, for example the widespread speckled bush-cricket, is so high pitched that it cannot be heard by most people. One useful method for finding these is by scanning with a bat detector because, just as with bats, the device makes their sounds audible.

 

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Author: Kevin Rideout

National Trust Visitor Experience Officer based at Studland

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