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Yellow Insect Egg Slime Mold - Stemonitis axifera by MotherNature

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Yellow Insect Egg Slime Mold - Stemonitis axifera by 

CORRECTION: Further research shows me that the younger growth stage of Stemonitis axifera looks exactly like this yellow, eggy mass. I see a more mature form of this slime mold above the yellow eggs, so I’m changing my mind and calling it all Stemonitis axifera.

Slime molds can be found in many colors, yellow being one of them. This on is called “insect egg” because of it’s appearance.

This picture was taken June 21, 2011, in Green Lane, Pennsylvania, USA, in a hardwood forest.

For a bit more info you can visit:

Yellow phase:
Brown phase:

Here is the brown, more mature phase of this slime mold:

Brown Slime Mold – Stemonitis axifera
by MotherNature


stemonitis axifera, slime mold, fungus, fungi, yellow, insect egg, woods, forest, nature, mothernature

I love nature, science, poetry, prose, art, music – you name it! Now that I’m retired, time is mine to spend as I wish (pretty much), and I wish to take pictures of our natural world.

Bringing the outdoors in for others to see, especially those who may not get the opportunity to wander next to a pond, fish at the beach, or tramp in the woods, is a pleasure. I hope to build a window to the wonders of nature that fill our everyday lives.

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  • muzwilson
    muzwilsonalmost 2 years ago

    The slime is OK but do you know what the growths on top of the log are? The little hair like things, I have pics of them from down here in Australia but I don’t know what they are.

  • I have better pictures of them but I have no idea yet what they are – still looking:>) Aren’t they interesting though? If you find out first, please tell me, and if I find out, I’ll tell you.

    – MotherNature

  • TRY LOOKING AT Stemonitis axifera – the color is different in the examples I see but the growth habit is the same.

    – MotherNature

  • Sandra Lee Woods
    Sandra Lee Woodsalmost 2 years ago

    Very nice. Interesting information also.

  • Even more interesting are the little brown fuzzy things on filaments above the “eggs”. I think I finally have it ID’d as another slime mold. There’s always something to capture the imagination:>) Thank you.

    – MotherNature

  • muzwilson
    muzwilsonalmost 2 years ago

    Checked out some pics of Stemonitis axifera and yes I think you are right, the groups I have found have another mould / fuzz growing on them. Thank you for the information.

  • Good – one more mystery bites the dust . . .on to the next – LOL

    – MotherNature

  • MotherNature
    MotherNaturealmost 2 years ago

    Thank you for the feature in Fungilicious! I’m honored:>)

  • Carla Wick/Jandelle Petters
    Carla Wick/Jan...almost 2 years ago

    Don’t forget to submit this awesome image to the May Features challenge!
    LOVE slimes and their mysteries still yet to be discovered!

  • THANK YOU!!!! It’s always an honor to be featured among the terrific artists in this group:>)

    – MotherNature

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