Invertebrate Badges UK
Buglife - The Invertebrate Conservation Trust is the UK's leading invertebrate charity focusing conservation projects on a range of species and habitats across the country and the world. They have a few special badges highlighting several important species. Badges can be purchased from donation boxes around the country, generally in areas linked to that species, but also from their online shop.
A small selection can be found here:
Butterfly Conservation is a charity dedicated to preventing the further decline of many butterflies and moths in the UK. With many species expected to be decline but with very little data available to properly assess the state of the populations they are often overlooked as a group.
The 2017 set of 4 can be purchased on ebay:
50th Anniversary of Butterfly Conservation pin badge produced by an independent designer.
Sold via the Butterfly Conversation official eBay seller.
The British Dragonfly Society (BDS) was founded in 1983 by a small group of dragonfly enthusiasts and scientists. They have three main aims: to carry out and support research on dragonflies, to conserve dragonflies and to engage the public with dragonflies and their wetland habitats.
Logo badge can be found on there website:
Bumblebee Conservation Trust
The Bumblebee Conservation Trust was established because of serious concerns about the 'plight of the bumblebee'. In the last 80 years our bumblebee populations have crashed. The BBCT aims to support the conservation of all bumblebees as well as raising awareness and increase understanding about bumblebees.
Set of 4 bee badges can be found here: