• Learn to Keep Insects Out of your Crops
  • Learn To Manage Weeds Without Chemical Pesticides
  • SNAP Tour of Organic Vegetable Garden
  • Learn About Colony Collapse Disorder and How to Protect Bees
  • Driving Near Recently Sprayed Fields Exposes People to Pesticides
  • SNAP Display at Event
  • LIving Near Fields Increases Pesticide Exposure
  • Learn About Pesticides in Foods
  • Weeds Can Be Managed Without Chemical Pesticides
  • Link to SK Organic Resources

Terrestrial Invertebrates

Also see soil,  pyrethrins 

Pesticide Use on Island Resorts Tied to Biodiversity Collapse    (Beyond Pesticides, December 8, 2021) . Oceanic islands, despite their small size, harbor 20% of all species, and 50% of endangered species, making conservation critically important in the context of a sixth mass extinction and insect apocalypse.    Results show that, compared to uninhabited islands, urban islands contain roughly half the number of species, while tourist islands contain approximately one third. On urban islands, researchers attribute the disparity to habitat fragmentation, loss of habitat quality, and loss of natural vegetation cover.    With increased occurrences of cosmetic landscaping, small gardens, golf courses, and other tourism-related activities, researchers thus attribute pesticide use as the driver of declines on tourist areas. Every tourist island studied indicates that they regularly apply insecticides, specifically synthetic pyrethroids like deltamethrin, in and around structures to manage common pests like mosquitoes, bedbugs, and cockroaches. 

Vital soil organisms being harmed by pesticides, study shows    The tiny creatures are the ‘unsung heroes’ that keep soils healthy and underpin all life on land (The Guardian, 4 May 2021)    'The researchers found the measured impacts of farm chemicals on earthworms, beetles, springtails and other organisms were overwhelmingly negative. Other scientists said the findings were alarming, given the importance of these “unsung heroes”.' The study 'covered more than 275 species and 284 pesticides, but excluded any chemicals currently banned in the US.    Donley said: “It’s not just one or two pesticides that are causing harm, the results are really very consistent across the whole class of chemical poisons.” A 2012 review showed that pesticides can also harm microbial life in soils.' see also  Meta-Review: Pesticides Kill or Harm Soil Invertebrates Essential to Soil Health (Beyond Pesticides, May 7, 2021) 

Soil Biota Adversely Affected by Interaction of Inputs and Practices in Chemical-Intensive Agriculture (Beyond Pesticides, October 14, 2016) .."The study demonstrates that simple evaluations of pesticide exposure on single organisms does not give a complete picture of pesticide risk."...The study, titled 'Pesticide Interactions with Tillage and N Source, Effects on fauna, microoganisms and selected ecosystem services', monitored soil biota during two cropping seasons of winter wheat...Researchers observed a negative effect due to pesticide treatment on mites, and generally found that all taxonomic groups were affected negatively, especially following insecticide treatment.

Roundup Damages Earthworms and Soil Biota, Contributes to Nutrient Pollution (Beyond Pesticides, August 17, 2015) A study published in Scientific Reports has found that glyphosate, the controversial and toxic active ingredient in Roundup, reduces activity and reproduction in two species of earthworms and increases soil nutrient concentrations to dangerous levels... Researchers found that after the application of glyphosate, the casting activity of vertically burrowing earthworms essentially ceased. Cast mound mass also decreased by 46%. In contrast, casting activity of this species remained constant when there was no application of glyphosate. In the second species, the soil dwelling earthworms, reproduction decreased by 56% after glyphosate application.

Sublethal Exposure to Pesticides Induces Personality Changes in Spiders (Beyond Pesticides, August 14, 2015) 'Sublethal exposure to the organophosphate pesticide phosmet results in significant alterations in personality in individual spiders, according to a study published in the July print edition of the journal Functional Ecology...Exposed individuals showed an average of 23 percent lower repeatability and the correlation between activity and prey capture is more strongly collapsed in females', making hem less effcient predators.