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  • Living with Spiders shows some of the webs, spiders, and prey on our house.
  • No-See-Ums were fairly abundant this year and I noticed lots of them were caught by the spiders. 
  • I then wondered how useful or important spiders were in controlling and capturing the insects that feed on us, such as No-See-Ums, Black Flies and Mosquitoes. 
  • Most of their webs were associated with our windows. This makes sense since light from inside the house and general warmth probably attracts insects to the windows.
  • I know some people clean the outside of their homes and purposely try to get rid of the spiders and their webs. Interesting to speculate, as far as, spiders controlling certain insects is this a good idea. 
  • I don't think any specific studies of this possibility have been done. But one could look at a few papers that discuss spiders and their prey and whether or not they benefit agriculture. Here are a couple to get you started:
  • /sites/default/files/rsos.140131.pdf
  • /sites/default/files/rsos.160584.pdf
  • /sites/default/files/6c5472443f0237b1e26755e5716764c7b332.pdf
  • /sites/default/files/j.1570-7458.2000.00635.x.pdf
  • Documenting Moth Visits with a Wingscapes TimeLapse Pro is an illustration of the value of using this camera for documenting the behavior of insects. 
  • This camera will focus as close as six inches to a subject, can take a photo or video as low as every 10 seconds all day and night. 
  • In general for documenting insect visits to flowers I have found a photo every 30 seconds or minute to be sufficient.
  • It will also record the date and time each photo is taken.
  • With lithium batteries and a 128 GB card it can last several days.
  • The camera is waterproof and can be used in the rain.
  • It costs as low as $115 here are some details: 

    Brand New Includes One Year Warranty

    Returnable: 30 Day Guaranteei
    Product # WCT-00126
    • Wingscapes TimelapseCam Pro
    • Resolution: 20.0 MP
    • Video Resolution: Full HD 1920 x 1080p
    • HD Timelapse Video Capable From Still Images
    • 24-LED White Flash Technology
    • Focus Range: 6.0" To Infinity
    • Flash Range: 25'
    • Weatherproof Plastic Housing
    • Moultrie Mobile Compatible
      • In general I have found the flash used at close range usually causes bleaching out of the subject, especially light or whitish subjects. I have been able to correct this by putting a small piece of neutral density filter over the lights. These are called Light Dims (White dims of Neutral Color) and the sheets are very inexpensive and easy to install.
      • The video example was focused on this orchid from three feet away. I used the timelapse to take a photo every 30 seconds continually day and night.
      • Once the behavior of the insect was documented I then set the Panasonic camera focused on this orchid to obtain a higher quality photo to help in identification. The Panasonic will take a timelapse every minute with the flash on and will last about 2.5 hours with just the camera's battery. For longer operation a JUICEBOX DSLR JBDP-01 can be attached to the camera.

      This inexpensive camera is great for documenting certain behavior of insects, especially at night.