Spiders – Organic Pest Managers

First published January 25, 2018

Spiders have been the earth’s most common land predator for over 400 million years.

New research estimates that if you combined all the spiders on the planet and weighted them, they’d (as of April 2017) amount to 25 million tons!

A healthy spider population helps control mosquitoes and other insects.  From the graph above, it’s easy to see that spiders contribute to healthy ecosystems.


Forest and grassland spiders do most of the heavy work.

Scientists believe that spider silk may be the strongest material in the world. To date, no one has been able to replicate it.

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click on image to see more Life on the Creek art

Resources:

BugGuide – Salticidae Colonus Hesperus

Kidzone – Specialty Spiders

National Geographic – Eating Insects?! – Bug Chef

Reuters – Mercury in the Food Web

Science Alert – How Much Spiders Eat

Science Friday – Food Webs, Ecological Importance of Spiders

Springer.com – An estimated 400 – 800 tons of prey are killed annually by the global spider community

UC Davis – Bohart Museum of Entomology

Wikipedia – Arachnid

 

 

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