Posted Saturday, January 7, 2012
License: CC-BY-NC-SA (What does this mean?)

Flea beetle larvae eating a leaf


At home, Ipswich
General location: Australia, South-East Queensland

The Setup:

This round of veggie growing has not been as successful as previous years. We are host and victim of various pests and demons. The Cape Gooseberry is susceptible to the flea beetle. These things breed quickly and can eat a whole plant in a week. After that, they go to ground and will chow down on any new tree that is planted.

I normally cut off the leaves that have grubs, and put them in a glass jar to die off in the sun. I saved this one long enough for an IR + macro shot on mini tripod. I don't think it worked perfectly, possibly because of the focus point difference between normal light and IR light. I started off at f/7.1, then f/11, then settled on f/13.

The dark spots are the parts of the leaf that the larvae have eaten.

The camera & lens:

Camera: Canon EOS 400D DIGITAL
Lens: Canon EF-S 18-55mm f/3.5-5.6 II @ 28mm
Filters: 0.42x fisheye filter (macro mode), Near-infrared (580nm)
Exposure: 20" @ f/13, ISO 400

Post processing:

Lightroom -

  1. Custom White Balance chosen using the main stem of the leaf
  2. Exposure +2 stops, fill light +20, blacks +5, clarity +90, saturation -80
  3. Curves: highglights +35, lights +45, darks -30
  4. Noise reduction: luminance +25

What would you do?

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