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Discussion in 'General Beekeeping' started by beetree, Aug 5, 2012.
how do I protect my hives against Japanese hornets?
umm if its the hornets Im thinking of your screwed, 20 of them can kill a hole hive with few losses, best bet would be a robber screen, if they cant get in your safe.
badminton racket and lots of patience
I wonder if a yellow jacket trap would work on them???
You don't have japanese hornets in the US, do you? Are you thinking of another insect? Japanese hornets are over two inches long, orange and black, and just a few of them will kill your entire colony of bees in a very short time. If you ever do see one, be sure to kill it.
Is this what they look like?
I have often heard them referred to as "Japanese" hornets, but I think they are actually European hornets. I have them around my place and they can get pretty large. I've seen some in the 2-inch range. I've seen them look around my hives and then move on. Never seen them cause any problems. I generally give them a wide berth as they generally expect YOU to move out of THEIR way. Never been stung, but I have had them literally run into and push me away.
they certainly are not japanese hornets , they are european hornets ,and have been in the united states for quite some time with as big as they are japanese hornets are even larger and by and far while they may snag a few honeybees here and there, they are not a threat your colonies.
Better to migrate your hives
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???? migrate your hives ???? why would you do that for european hornets, have you ever moved hives of honey bees yourself that's not a easy process and even if it were japanese hornets to move them only a couple 100 feet would do absolutely nothing , certainly hornets would find it within a day or so but it's already established that not japanese hornets so there is no threat , just take a deep breath and relax .
you will find pictures of japanese hornets and most other honey bee predators coming to america obviously the japanese hornets not in america yet that we know of .
Yes. My moth traps catch a lot of yellow jackets and I have some Jap hornets in them also. I'm thinking a screen with approx 1/4' holes to allow drones out but keep out hornets. Possibly use metal sheeting with drill bit holes in it. ??
thanks for reply
They are similar looking and definitely in the 2+" range. Wings are much wider completely covering thorax/abdomen extending well behind the critters. Gotta capture one. I believe there are some in my moth traps behind my house in N Asheboro.
Relax guys. While there are near a couple thousand types of bees, to include wasps, in the U.S., without a picture it is hard to know.
You are probably seeing something called the "cicada killer" which is very active in August. Here is a link: http://www.ca.uky.edu/entomology/entfacts/ef004.asp
It is NOT a Japanese hornet that you are seeing.
I'm in Asheboro, too. I'm pretty sure he is seeing European hornets. Totally (and obviously) different from Cicada.
I saw my first European hornet this morning while weed eating by the shop, never notice them before, and they are a big bee, looked to be about 2 inches. Since it was the first one I notice they probly not to many around. I hate the yellow jackets the most, there must be a big nest of them around close some where for I am collecting them by the dozens in my traps and killing quite a few with a fly swater around the hives.
Yes, what is known as the Japanese hornet locally here is actually the European hornet. They will pick off a bee now and then, but not enough to damage the overall hive. I just ignore them and let them go.
What's all the hub bub about? Just put on robber screens. I had baldfaced hornets do in two of my hives in my very early days of beekeeping and robber screens solved the problem. They keep yj's out, too, and around here we're inundated with yj's in the early fall. I keep robber screens on my girls year round. Keeps the girls calm and I can mow right up to the hives and the chickens can run all over the place without my having to worry about anyone getting stung.
Hi Ajaz. :hi: Welcome to the bee forum.
You almost got in undetected by replying to such an active thread----But we won't let you by without a proper reception. Glad to have you with us.
Today I found out I was observing two species of wasp. Not Japanese Hornets. I believe you are correct that Jh are not found in the US yet. The two species were both black and yellow. The larger "Cicada Killer" wasp is 2-2&1/2" long. The smaller Scoliid or Blue Winged wasp is about 2 cm long. Neither is aggressive. I easily captured several with a net and jar. They live off nectar, pollen,(adults) cicadas, June bugs and beetles (larvae) at this time of year.
Thanks for your interest.
I caught several today and took them to agext for ID. There were two species. One, the Cicada Killer, is 2&1/2"+ long. Adult feeds on a little nectar while hunting for cicadas which they paralyze by stinging. Then take the body underground about 6" to stash in "chambers" they build. Then she lays one egg in each cicada body which goes thru the usual larval-cocoon-pupa stages to re-emerge in Spring as a mate hunting adult. They are not aggressive. Only females can sting and will only do so if handled. One female I caught was trying to carry a paralyzed cicada 3X's her size. She lit on my bare leg with the cicada in hand. I'm told she was looking for a high perch from which to launch toward her burrow hole with her load.
The other, slightly smaller wasp was a Scoliid. Also, common this time of year. Both have black and yellow markings.The CK has orange wings. The Scoliid has dark blue wings, aka the blue-winged wasp. Scoliids feed on Green June beetles and Japanese beetle grubs. Adults feed on nectar and perhaps pollen of flowers. Burrowing females sting grubs, using them as food for the eggs they lay on them. They do not sting people unless greatly aggravated or captured in the hands. They fly low over the grub infested ground in a figure 8 pattern.
I gave a sample of each to the agext agent who has them in a jar now in his office.