An online resource based on the award-winning nature guide

Scarab Beetle Antennae

6-16-14  scarab beetle antennae 261Beetles in the family Scarabaeidae share several characteristics, including specialized antennae. The last three to seven segments of each antenna form flat plates, or lamellae, that can be expanded like a fan (see Japanese Beetle insert) or folded together into a club (see June Beetle photo). When these plates are separated they are being used as sensory devices to detect odors. When folded together, the antennae are used as clubs by some species of fighting male scarabs. The next time you see a June Beetle, Rose Chafer or Japanese Beetle, take a second to inspect its antennae before parting company.

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3 responses

  1. I love what you bring to us every day and how you teach us to observe things even more closely than we usually do. I will definitely give this group a closer look next time.

    June 18, 2014 at 2:23 pm

  2. Londa Weisman

    Hello,

    I love reading and your nature notes and seeing the pictures and would like to contribute.  Can I send you a check?  Please let me know; I don’t want to donate through the computer unless I must.

    Thank you,

    Londa Weisman

    June 20, 2014 at 7:53 pm

    • Hi Londa, I’ll send you my mailing address via email — thank you so much!

      June 20, 2014 at 8:52 pm

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