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WillmilneJanuary 25th, 2010, 1:02 pm
Manitoba Canada

Posts: 19
Hi whilst doing some high magnification images of a mayfly specimen I noticed what appear to be eggs attached to the head. I'm curious if anyone could offer a suggestion as to what they are or even if they are eggs. I understand there are stonefly parasites is this also true of mayflies?

cheers

Will
KonchuJanuary 25th, 2010, 1:42 pm
Site Editor
Indiana

Posts: 498
I'm not sure what those are base on the picture, but I often see mystery things attached to specimens. Sometimes, these are a fungus, and rarely they are aquatic mites. A frequent thing I see is little pale pouches of "goo" that appear as an artifact of the fixation and preservation process.

These could be eggs of some kind, but what kind I do not know. Might even be eggs from another mayfly. Many of these adhere to whatever happens to be on the stream bottom, even if it is another living thing.

By the way, is that a Baetisca mayfly?

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