Subject: Please identify
Location: North Miami, Florida
October 27, 2013 12:27 pm
Found this bug dead in my backyard and my yard has mysterious mounds of mud/ dirt about 1/2 ” all over. Want to know this bug and it is related to these mound on my lawn ?
Thanks for your help and time!
Signature: Jennifer

Rainbow Scarab

Rainbow Scarab

Hi Jennifer,
This is a female Dung Beetle known as a Rainbow Scarab.  Like other Dung Beetles, Rainbow Scarabs gather fresh fecal matter, roll it into a ball and bury it after laying an egg.  Dung Beetles often work in pairs and they often guard the young, continuing to feed the growing larvae with fresh dung.  We do not believe they are related to your mystery mud mounds.  We will be postdating your submission to go live in early November while we are away from the office.  Perhaps one of our readers can assist with the mysterious mud mounds.

Mysterious Mud Mound

Mysterious Mud Mound


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Location: Miami, Florida

3 Responses to Rainbow Scarab and mysterious mud mounds

  1. Ellen says:

    Could the mounds be from earthworms? Crawfish build mud “chimneys”.

  2. Al Hunter says:

    I’ve seen the same mounds in my yard today!

  3. Catherine says:

    The mud mounds are worm castings. So good for the garden!

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