Chasing Flies

I am sure I am in a minority on this, but I find flies pretty fascinating.  I was chasing insects with my camera over the last couple of days, and I came across a couple that are pretty impressive.

7-4-130113

This is a tachnid fly in the genus Cylindromyia.  Tachnid flies lay eggs on the caterpillars of butterfly or moth larvae, and the maggots develop inside of the caterpillars.

7-4-130047

This is a “thick-headed fly,” not yet identified.  The group that it belongs to are internal parasites of bees and wasps.  Some of this group attack their victims on the wing, and force an egg in between the segments of the abdomen.

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About the roused bear

Nature photographer from central Iowa.
This entry was posted in diptera, insects and tagged , , , , . Bookmark the permalink.

One Response to Chasing Flies

  1. theresagreen says:

    I can’t say I actively like flies, but I do find them fascinating and some are rather beautiful to look at. The one in your second image is intriguing.

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