Copyright Allan Macdonald 2008

Copyright Allan Macdonald 2008

Observation - Copyright Allan Macdonald 2008. Description: Lots of these appear on a few fences locally around Late February, early March. They are cone shaped and up to about 6mm long. Around May they seem to walk around hermit crab like and a small black insect can be seen. I would love to know what these are.

Lots of these appear on a few fences locally around Late February, early March. They are cone shaped and up to about 6mm long. Around May they seem to walk around hermit crab like and a small black insect can be seen. I would love to know what these are. Can anybody enlighten me please?