• The body on this beetle measures about 1/2". Bet you can tell which are male and female by the markings on the head area.

Swarming Giant Mesquite Beetles

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These two images are for Bill (gpa bill) who kept reminding me to post them. At the Boyce Thompson Arboretum in Superior, Arizona, these amazing beetles are not often seen in a swarming group. Thanks for the tip to Mark, Bill and others that yes, I should really go back down the trail to see these beetles. I must admit that it was soooo hot I considering a pass on the sight. But I went along anyway. My Canon 5D Mark II was very very hot and I'd taken so many photos so quickly that it just was not wanting to focus as I needed and the heat made the camera hesitate between shots.

The next image shows a close view of the antennae for just one beetle. Great "resonator" design for this nature marvel.

The Grand Duchess, and 22 other people added this photo to their favorites.

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  1. mark willocks 24 months ago | reply

    Well you beat me (probably by about 6 months, LOL) posting beetle shots. These critters were simply amazing and the highlight of my Boyce Thompson Day. Glad you got at least a couple of shots despite a balky camera.

  2. mark willocks 24 months ago | reply

    Just did a little research on these guys. It seems that those pictured above are an immature nymph stage. The little triangles just below the heads around the thorax are proto wings. They will molt and become even larger adults with real wings and can fly. The bizarre color patterns advertise that they have a foul taste and most birds seems to respect that. They are not harmful to the mesquite trees they feed on.

  3. g'pa bill 24 months ago | reply

    It's 'bout dam time!! You've been holding out on us, BJ. Wonderful catch; you done good!

  4. Suso Rubio 24 months ago | reply

    despite hard circumstances, great work capturing these magic beetles

  5. W9JIM 24 months ago | reply

    Cool beans! They must run on batteries cause I don't seen extension cords for their internal lighting. :-)

  6. nowhereonearth 24 months ago | reply

    Crazy looking bugs - hope they're not too destructive. But they are really cool looking.

  7. khosey1 24 months ago | reply

    Nice! I love how they clustered.

  8. Urban Woodswalker 24 months ago | reply

    Gosh, they are incredibly beautiful. I think I will have to create some art of these type insects.

  9. songbirdgirl2001 24 months ago | reply

    Amazingly beautiful! No, I am not able to determine which are male or female. Can you give me a hint??

  10. .McCarthy 24 months ago | reply

    I've lived here 40 years and never seen one of these.

    cool

  11. heycarrieann331 24 months ago | reply

    Wow! I have never seen beetles like this! Those are amazing! I do see the difference on the markings!

  12. fournier2012 24 months ago | reply

    Wonderful macro
    We haven't got this kind of beetle here in France

  13. Mashku 22 months ago | reply

    These are not beetles, they are larvas of Bugs. Like stink Bugs.

  14. Mashku 22 months ago | reply

    Thasus neocalifornicus nymphs !

  15. Al_HikesAZ 14 months ago | reply

    Wow incredible. Great photo and great capture. Excellent detail and color

  16. stho002 8 months ago | reply

    These are not beetles! They are "true bugs" (Heteroptera) ...

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