[Syrphidae] Re: reference request - impacts of pesticides on hover flies

Chris Thompson xelaalex at cox.net
Wed Sep 11 20:44:20 BST 2013


I wish I could point you to a scientifically published analysis, but unfortunately as far as I aware there are none.

However as an individual who is aware of the issue, I can say on my walks around my home area [in northern Virginia, outside of Washington], etc., I have over the recent years seen a distinct decline in honey bees, but other pollinators, including syrphids and other bees, not much change.

Syrphids maintain their relative abundance as pollinators as their life-history does not depend on pollen [beyond some limited evidence that suggest egg production may be dependent on female health, etc., and there amount of pollen females taken in, etc.]

Oh, well ...


Chris Thompson

from home

From: Murdoch, Thad 
Sent: Wednesday, September 11, 2013 3:04 PM
To: syrphidae at lists.nottingham.ac.uk 
Subject: [Syrphidae] reference request - impacts of pesticides on hover flies

Many apologies for the naïve question, but could the members of the list please point me to key references regarding the impacts of neonicotinoids and other pesticides on hover flies? 


I am a coral reef research scientist in Bermuda, but also a fan of hover flies. We are debating the impacts of pesticides on our pollinator populations here at the moment, and hover flies are a neglected component of the discussion. (I also fear that marine arthropods are being impacted, but there is minimal basic data on most species, let alone ecotox analysis.)


I have limited journal access, so pdf would be great too.


Best regards - Thad


Thaddeus J. T. Murdoch, PhD

Chief Scientist

BREAM: Bermuda Reef Ecosystem Analysis and Monitoring Programme

Bermuda Zoological Society PO Box 415, Flatts, FL-BX, BERMUDA

Tel: 441.505.8424




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