Free Desktop Backgrounds, Page 6

Mayflies

Caddisflies

Stoneflies

I've taken a few of my favorite pictures and made them into nice desktop backgrounds. It's really easy to set one of these as your background. Just click the link closest to your screen resolution below a picture to save it to your hard drive. Then (if you're using Windows XP) right-click on your desktop, select "Properties," go to the "Desktop" tab, hit the "Browse" button, select the image from wherever you just saved it, and click "Apply" and "Okay".

Your screen resolution is .

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This desktop background was created from a picture of this Male Hexagenia atrocaudata Mayfly Spinner.


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This Leptophlebia cupida dun was extremely cooperative, and it molted into a spinner for me in front of the camera. Here I have a few dun pictures and one spinner picture, and I've put the entire molting sequence in an article.

This desktop background was created from a picture of this Male Leptophlebia cupida Mayfly Dun.


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A thick mating swarm of Tricorythodes mayfly spinners hovers the West Branch of the Delaware near Hale Eddy one early fall morning. View the picture full-size and you'll be able to make out the wings and tails on most of those little white dots.

This was one of many such clouds visible all up and down the river. The mayflies were impressive, but the trout did not hold up their end of the bargain -- there was not a rise in sight.

This desktop background was created from a picture of Tricorythodes.


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I went to great comical lengths to swipe this spinner from the air with a little aquarium net I carry with me while I'm fishing. Siphloplecton basale spinners fly fast and high over the riffles, and there are never very many of them, so they're difficult to catch.

This desktop background was created from a picture of this Male Siphloplecton basale Mayfly Spinner.


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I got several really nice pictures of this spinner. I also collected a female on the same trip.

This desktop background was created from a picture of this Male Isonychia bicolor Mayfly Spinner.


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I collected this female together with a male.

This desktop background was created from a picture of this Female Isonychia bicolor Mayfly Spinner.


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This desktop background was created from a picture of this Nigronia serricornis Hellgrammite Larva.


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Several stoneflies of this species were flying around a small stream last night. I tied on a brown drake imitation of about the right size/color to approximate these stones, and was rewarded with a hard-fighting 17-inch brown trout.

This desktop background was created from a picture of this Isoperla Stonefly Adult.


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This desktop background was created from a picture of this Pedicia albivitta True Fly Larva.


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I collected this female together with a male.

This desktop background was created from a picture of this Female Isonychia bicolor Mayfly Spinner.

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Jargon Defined:

Dun: Mayflies have two adult stages. They first emerge from the water as duns (scientifically known as the subimago stage). They then molt into the spinner (imago) stage, in which they mate and die. Sometimes the word "dun" is confusingly used to refer to a brownish gray color in fly tying materials.

Molting: When aquatic insects with hard exoskeletons (like mayfly and stonefly nymphs) grow bigger, their exoskeleton does not grow with them. Instead they grow a new, larger one underneath and shed the old one when it's too small. This process is called molting.

Spinner: There are two winged stages of adult mayflies. They emerge from the water as duns, molt on land (usually) into their fully mature stage, spinners. As spinners, they mate, lay eggs, and die.