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June Bug or
Japanese Beetle
The photo above is a June bug. In the larval stage it consumes roots and is harmful to lawns but at this stage it doesn't eat at all. this is the one that is a nuisance at night around lights. It's one purpose in live is to mate, return to the earth and lay its eggs to start another cycle .
Now this is a Japanese beetle, right? Wrong, it is another May/June bug. This is the Green June Bug which is out through the day and is a real pest in the vineyards and orchards of Oklahoma because it feeds on ripe fruit. It splits the tender skin and sucks the juice from the fruit, making grapes look like raisons on the stem. It does not however eat roses.
Ok, now that we know the difference we can clearly see that Japanese beetles are the problem. Now what? A spray of HY-38 will do the job. If sprayed on the beetle it will kill quickly as the bug prunes itself it ingest the poison and dies without eating rose leafs. If it is not sprayed directly it will die from eating the foliage. Other sprays like Acephate (Orthene for those who want to spend extra for the brand name) also works well although II prefer the HY-38. Japanese beetle traps are a choice for those who want to use a none toxic approach to riding themselves of the beetles. I have had limited success with them as have several of my friends and customers. When used correctly they will catch a lot of beetles but if not used correctly they can makes matters worse by drawing more beetles to your roses.
No matter how you approach the control of the Japanese beetle, Roses inc. has the product and the advice to help you do the job.
A special thanks to Rick at OSU for his help. He is my go to person on all matters of Bug science. Thats entomology for those of you who like big words. |