4 ms·
This was an extreme example that I found in this collection. Here's something more common (20 cm): https://images.wur.nl/digital/collection/coll13/id/576/rec/1
by duckmysick 3y ago
This was an extreme example that I found in this collection. Here's something more common (20 cm): https://images.wur.nl/digital/collection/coll13/id/576/rec/1 https://images.wur.nl/digital/collection/coll13/id/576/rec/1
But there was also a specimen with over 2 meters: https://images.wur.nl/digital/collection/coll13/id/550/rec/3 https://images.wur.nl/digital/collection/coll13/id/550/rec/3
It varies, but yeah, they are surprisingly deep.