How many pairs?

How many pairs?

Mullein moth caterpillar (Shargacucullia verbasci) on a Verbascum leaf at the Ventnor Botanic Garden on the Isle of Wight. Image taken with a Canon 350D and Tamron SP90 macro lens.
Camera: Canon EOS 350D DIGITAL (Canon)
Focal Length: 90 mm
Exposure: 1/400 sec
Aperture: f 8
ISO: 200