Let’s listen to the coneheads sing

I mentioned in a previous blog that you can tell different species of bush cricket and grasshoppers by their songs. I have recorded the songs of our two species of cone head bush crickets to demonstrate this. Their songs are very high pitched and quiet – so to make them audible I have used a bat detector  which makes the high pitched noises audible via the clever electronics in the box.

Bat boxI used an old QMC bat detector set at a frequency of 40 KHz.

Long-winged  conehead 1This is a male long winged cone head – which makes the noise – photographed at the Devon Wildlife Trust’s Chudleigh Knighton heath reserve this week

lwchHere is the female – with the long straight ovipositor – photographed on St Mary’s on the Isles of Scilly in 2008

And here is the song of the long winged cone head played through the bat detector and recorded on my iPhone last week
– its like a vintage tractor chugging along!

Female SWCHHere is a female short winged cone head (short wings and a curved ovipositor) photographed on salt marsh in Exton today

Male SWCHHere is the male short winged cone head – again note the short wings! Photographed on salt marsh in Exton today

And here is the song of the male short winged cone head – recorded yesterday – its like a vintage tractor which changes gear as it goes along.

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