These beetles have a long gestation period that lasts about 12 to 24 months. The insects gnaw through the roots of Mexican Palo Verde trees as creamy-white larvae for several years before emerging from the ground in search of a mate. If a huge bug the size of your hand comes flying towards you, it is understandable that you will not maintain a calm demeanor. The palo verde beetles are also a symbol of summer to me. The adult beetles are brown or black and have wings, but are rarely seen flying other than during the summer mating season. They fly and can cut copper lines with their mandibles. Yes, they fly -- making them a messy obstruction for motorcyclists. Getting Rid of Palo Verde Borers Using Insecticides Q. I am having an issue with my Palo Verdes for 2 years now. About me: I've lived underground for the past three years feasting on delicious Palo Verde roots. When the eggs hatch its larvae or grub will gnaw away at the tree's roots. These beetles are attracted to lights, so if you are sipping cocktails in the evening on your resort's patio, they may come to visit. If you try to fight one, you will very quickly regret it. SAVE ME, @sheann828 Palo verde beetle. New Zealand’s Dangerous Plants, Animals, and Insects, How to See the Tallest Trees on Earth: California's Redwoods. These beetles are awkward fliers and have a zig-zag flight pattern due to their hefty weight-to-wing ratio.Activity for this insect is mostly nocturnal and they are drawn to light. Judy Hedding is a Phoenix resident and has written more than 1,000 articles about Greater Phoenix and Arizona since 2000. I already wrote a post about how much I love these beetles and promised to write more about their biology. If you're cruising around the desert on a motorcycle, wear protective gear. But don't anticipate a beetle invasion with these insects. Your best bet to avoid having these frightening insects at your home is to keep your trees healthy with proper watering and fertilizing and otherwise leave these harmless creatures alone. After spending several years as larvae gnawing through the roots of Mexican Palo Verde trees, the adult beetles emerge when the first monsoon rains drench the desert soil. This longhorn winged beetle is commonly seen here around Phoenix in the mid-summer when they take to the air. Would rather come across a mountain lion than a paloverde beetle, Palo verde beetle #grubs #paloverdebeetle #Derobrachus #Sonorandesert #thatsamouthful, A post shared by GW (@tumamoc) on Apr 20, 2017 at 5:26pm PDT, A post shared by Josh (@joshsdh) on Jun 23, 2017 at 2:29pm PDT, A post shared by a r t w o r k . I'm about three inches in length, have large mandibles and long legs. The truth is most are relatively harmless and won’t attempt to injure you unless provoked. The Palo Verde Beetle, also known as the Palo Verde Root Borer Beetle, is a large beetle found throughout the East Valley. It's almost like a tragic romance novel, no? The big, mostly harmless bugs are an annual, if not always, welcome presence every summer. The larvae or grubs are creamy white in color. They do not die, and dwell in mailboxes. There’s a tendency for people to think that everything in Arizona will kill you, insects and arachnids included. You’ll recognize the palo verde beetle by its size. Not only because Paul, Ringo, and dearly departed John and George won’t be there, but also because they’re non-toxic, innocent creatures. (@edwin.29a) on Jul 9, 2017 at 1:32pm PDT, It's Palo Verde Beetle season. Palo Verde trees are quite beautiful, having a unique yellow coloring that flowers the whole tree. Palo Verde beetles are black bugs about the size of your hand with long antennas and wings. So watch your step when you're walking around the parks and pools. On these languid summer evenings, Paloverde Root Borers (Derobrachus geminatus) can be seen flying around trees looking for mates. Now I'm ready to get out, meet other beetles and find 'the one.' These beetles lay their nests at the feet of these trees as well as other trees, but primarily the Palo Verde trees. If Arizona residents live by Palo Verde trees or have them in their yards, they’re more likely to see these bugs. Bumbling through the air like misguided toy airplanes, Palo Verde Root Borer beetles are a familiar – and often intimidating – sight to Southern Arizona residents. Now I'm ready to get out, meet other beetles and find 'the one.' The palo verde root borer is one insect pest that poses a threat to the palo verde tree. The summertime moisture from the state's characteristic weather phenomenons coaxes Palo Verde beetles out of their home. In two to four years, their spawn will become adults set to follow the same fate. Temperatures of 110 degrees F are not uncommon and there is a long dry period of unrelenting sun and heat for a few months before the monsoons set in during the late summer. With spines on their thorax, these beetles are sturdy creatures unlike some invertebrate insects. Shortly after their summer fling, they die. It does no good to spray inside the holes after the Palo Verde beetles have already left. Although these insects may startle you, have no fear, they are innocent. This Arizona borer beetle looks like a giant cockroach. I showered one with Bifen I/T and it just sat there seemingly enjoying it. They range from brown to black in color. If you've been in Arizona long enough, you've no doubt seen them. A. Unlike roaches, Palo Verde beetles are outdoor pests capable of causing a … Note keyhole for scale. The Weather and Climate in Arizona: Too Hot to Handle? The Palo Vedre Beetle gets it's name from the Palo Verde Tree. 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