Spotted cucumber beetles on Memorial Day roses!
lavenderlacezone8
7 years ago
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lavenderlacezone8
7 years agoRelated Discussions
Suggestions on controlling cucumber beetle?
Comments (48)canuckistani The link at the bottom of the post mentions clove oil as a lure for *female* cucumber beetles in a discussion about making sticky traps. You can use pieces of cotton wicks stuck to the boards that have been soaked in a Eugenol based oil which is what attracts the female beetles. 2 types of oils that contain 60 to 90 percent eugenol are allspice oil and clove oil. Squash blossoms contain indole which are very attractive to the adults. If you can spare some you might mash them up and stick them to your trap. There are also a number of other natural lures that might be combined with a poison mixture. Tayuya root powder, buffalo gourd root, Caserta squash, Blue Hubbard squash, Turk's Turban, etc. And no, the clove oil attracts only diabroticine beetles, which includes cucumber beetles. Eugenol, a naturally occurring insect attractant found in clove oil (82 to 87 percent eugenol), allspice oil (65 to 75 percent eugenol) and bay oil (40 to 45 percent eugenol), lures diabroticine beetles (Peet, 2001 and The Scientific Community on Cosmetic and Non-food Products, 2000). Cinnamaldehyde, found in cassia oil and cinnamon bark oil, functions as an insect attractant and natural cucumber beetle bait (Environmental Protection Agency, 2007). Attach a cotton swab soaked in these aromatic oils to increase the sticky traps trapping effect. Cucumber Beetles: Organic and Biorational Integrated Pest Management The ATTRA site above lists common cucurbits ranked according to their effectiveness as lures. Any ranking number over 45 indicates the plant is highly preferred by cucumber beetles, male and female. You might want to review the list to see if there is anything you could grow next spring to use as a lure as well. The clove oil is usually the best way to start since it is the most readily available lure and doesn't have to be grown -- most people don't plan ahead for cucumber beetle invasions!...See MoreMemorial Day Rose--any idea?
Comments (23)Memorial Day still likes lots of water here. I'm tempted to just chop all the forming buds off in the summer while the thrips are partying here and see if maybe the blooms get better in the fall. The blooms now are very funky, weird and sad because of thrips. The photos of this rose in other gardens, reports of wonderful fragrance and the healthy foliage here makes me want to keep trying with it even though it seems to like extra water here. It must be good if the thrips like it this much! If it's good enough for bugs to love it's good enough for me. I just have to figure out how to manage the bugs. I can't say anything bad about Summer Romance. It has quickly become one of my absolute favorite roses. The BEST fragrance. So many blooms. Heat tolerant (really unbelievable heat tolerance for me actually). So quick to repeat. Pretty foliage, super healthy and graceful growth habit....See MoreSpotted Cucumber Beetle on Meyer
Comments (1)Mild, striped or spotted Cucumber beetles carry (2) types of serious diseases..mosaic virus & bacterial wilt.You can go two ways with this,Organic or Chemical.The Organic way has you using yellow sticky tape or yellow traps,the beetles are attracted to the color yellow or orange,attacking veggies or fruit.If you decide to treat with the chemicals, then use Sevin or something containing diazinon or pyrethrins and you have to treat weekly.You have to kill their eggs.Or you can sit and pick daily:) If you don't get a handle on this it could even mean death to your tree.***Suzanne...See Morespotted cucumber beetle
Comments (5)If you look in the lower left, you will see two of the SOB's just barely peeking out from under a petal. They appear off and on all through the year, but fall is their prime season. I'm not much on using insecticides, but when they appeared in massive plague numbers 3 years ago, I tried spot applications of different insecticides to see what would kill them. Nothing except Pyrethins totally killed them dead. The others just knocked them down for a few minutes, but then they recovered and flew back up to the blooms. I ended up not using any insecticide at all that year and just suffering the loss. Actually roses were their 2nd choice on the menu. My sunflowers, asters, single petaled mums were first choice so I could definitely see them liking the single petals of a daylily. Fortunately I don't have any daylilies in bloom in October/November....See Morelavenderlacezone8
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