Strange critter on my lilac

[mountainm]

Looks like something is pupating, any ideas what?

 

[Harvestman]

That's a ladybird pupa. From the colour, it might be the invasive Harlequin ladybird, but I can't be certain.

Definitely a ladybird though.

 

[mountainm]

Loads on my lilac, bodes well for aphid control.