The larvae of two bruchid beetles exploit the Palo Verde seeds while the pods are developing on the tree. We’ll be on the lookout for live ones. Adults emerge in early summer, usually ahead of the monsoon, and by August they are gone. If you dig up palo verde trees, you will supposedly nearly always find several palo verde beetle larvae happily munching away on the roots. I am thinking of putting it up on ebay for sale for someones research or bug collection. Good to know they pinch, though, since we both like to pick up interesting bugs. ( Log Out / Makes me want to get to the desert to explore even more! .Are they also native to the Northeast?? Post was not sent - check your email addresses! These are impressive. Or maybe they were just following the cool air? I’ve never tried to sell them, so I haven’t ever looked for a buyer! Not sure how to solve your problem though… Perhaps you can at least take comfort in the fact that they’re not around for very long each year? My dog just ate one of these, it’s eggs are all over the couch now. Not quite sure how to deal with it, we covered it with the closest thing at hand – a small empty pot (awaiting to house a plant) – hence with a hole at the base (no need for the beetle to bore one). If it’s in Romania, it’s not Derobrachus hovorei as it’s only found in the southwestern US. Because they are root borers and root borers are commonly associated with dead, dying, or unhealthy trees, palo verde beetles are often considered pests. There’s one thing the jaws aren’t used for though: feeding. I do have pictures. I can not stress enough how I truly DO NOT appreciate this natural wonder (or most bugs for that matter). I always think of james bond with his jet pack on his back, they look like they have jet packs on with their legs dangling down when they fly. Or click on the RSS icon to subscribe via the RSS feed reader of your choice. I’m trying to think what the sound they make sounds like. A better strategy is to focus on improving the health of the tree to help it outgrow the damage by providing adequate water and fertilizer. Sorry, where should I look for the photos? I was horrified and sprayed it with 2 cans of bug spray. The photo to the right is the larval stage of what will become a Palo verde root borer beetle (Derobrachus germinatus) pictured below. I found one on my front porch, I ran in to get the camera and actually did get some decent shots. While I completely understand why people might be scared of these lumbering, giant beetles – they are VERY large after all – I can’t help but love them! They do seem to be less common in the Phoenix area than in Tucson! In any case, glad I could give you some answers! I sent you the pics, I’m very curious to hear your thoughts !! Today I am making good on that promise! I could see how you might think they look like palmetto bugs! They are just fascinating. Image of Palo Verde Borer Grub by Lucy K. Bradley. I know bugs don’t recognize state lines, so if they are found in northern Nevada, they could easily make their way here. Each summer when the monsoons begin, these beetles start to appear. I just met one of your friends Root Borer, I live in Maryland and he was on my garage door, because I didn’t want him to get hurt and I also didn’t want to get hurt I put him in a washcloth and moved him to a plant, to my surprise he started singing with his back legs. I live in Louisiana and have been trying to figure out what has been eating my tree , well your site answered it all. I caught an adult today in my front yard, if he dies in one month, how do I preserve him? The adult emerges when the monsoons arrive and dig their way up to the surface, leaving large round holes around the base of the tree where they grew up. When I arrived to a property with a recently declined Mexican palo verde, I was confident what we were looking at was a death due to the palo verde root borer, but a closer look and there was clear confirmation. Wow, what a crazy experience! Palo verde beetles are gigantic and very scary to a lot of people who encounter them. Cheers. They can often diagnose the problem and help you solve it! We lived way out in the desert a lot and learned how to survive and what native vegetation to eat, what could be used as medicine and how to fix it and soforth, and tonight my brother and I learned something new. They range from brown to black in color. There are several very large beetles that look similar in the same group, so that would be my best guess. I know they extend into California, but I’m not sure how far north they go. — the palo verde beetle is harmless. My spouse is fascinated; I’m grossed out. After 2-3 years of feeding and growing, the larvae are enormous and look like this: Palo verde beetle larva! Plants are at the base of food webs and any change in a plant community can have an impact on all organisms that feed higher up the food web. I can not afford to prune the tree (once struck by lightening), to help it regain its health… so the borers are going to town on it. Did you get a picture of the beetle by any chance? I just came on your blog because we found one of these in our yard in Vegas. After mating, adult beetles lay eggs in the ground, consequently breeding young Palo Verde larvae that will later hatch and grow up to munch on tree roots, too. One Iris was also dug up (poss. No, you can’t add photos here. I think they’re amazing creatures, so I’m glad that you think they’re cool! Withstand a few beetles large beetle in Arizona and how Burns can help with pest and! 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