Buglife, also known as the Invertebrate Conservation Trust, has said there is evidence of an increasing link between Neonicotinoid pesticides and bee deaths in Britain.
The body has spoken out following a Channel 4 news item where a government scientist said the pesticides were not linked to bee losses at all.
They say they have reviewed data in Fera’s Wildlife Incident Investigation Scheme and found several cases linking bee deaths to Neonicotinoid pesticides.
Chief executive Matt Shardlow said: "Buglife has been very concerned about mounting scientific evidence that chronic exposure from Neonicotinoid pesticides is damaging bee and wild pollinator health; this new evidence that there are also increasing numbers of mass fatalities of bees linked to Neonicotinoid pesticides is truly shocking."
The body refers to a 2008 Fera report entitled ‘Are pesticide risk assessments for honeybees protective of other pollinators" which calls for more detailed information on the "toxicity of pesticides to a range of species" including honeybees.