Black Lady Beetle on HWA

Not that particular one but mass releases of lady bugs or green lacewings can be effective when pesticides aren't used.
 
Rincon Vitova and Sterling.

Probably should source closer if possibly or pay for faster shipping. Make sure they include cooler packs in there too.
 
JD3000 said:
I should aslo note that this was for scales, not HWA
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I was reading not to long ago about transplanting bugs from one region to another and also was listening to a few podcasts on the issues with this ( lady bugs). How they are taken during their hibernation stage, fat and tired. Then when they get to the buyer they are fat and lazy. Really in no mood to be eating right away. With that being the case they tend to travel a bit more before their next meal. A university did a study by marking the lady bugs with a mark on them, and then letting them go as if they had been bought. They found most did not stay on the target property. Plus they were speaking to how they can carry problems from one place to another and if that other place is far off and not seeing that particular issue it will have a greater chance of large scale spread. It was a good read and listen.

The black beetle in my case is from my region, plus the bonus that when they are released they won't be fat and lazy. Comparable to buying beneficial Nematodes and letting then ninja through some soil.

Obviously I am looking to more low impact methods of destructive pest management as I cover an area with a massive water shed to the Delaware river ( I'm on the banks of the river) and the river is already having to battle years of terrible industrial choices from the past 100 + years. I notice and not to any surprise most spray techs do a terrible job at what they are doing..... Human nature to be lazy or not truly try for most people when they look at things as "being good from their home". I can't change that but it would be great to start getting more information and better practice out to customers as a consultant and not the "tree service" looking for the payday. Plus I want to start working with local government on making our river valley towns tougher on what we are spraying, drenching, or releasing. I am growing tired of sitting back watching my area get abused.
 
Imidacloprid injection into the trunk is very low impact. It won't leech to off target plants (even soil drench, it really doesn't leech....but trunk injection even less). Imidacloprid controls HWA in Hemlock for several years (maybe even up to 8 years....but at least 3-5 years) compared with other pests such as EAB where it is only effective for 1 year.

I do think the best long-term approach is introduction of HWA-eating beetles. However, that is more of a landscape level project that needs cooperation from many adjoining properties (or one very very large property).
 
Fairfield said:
I was reading not to long ago about transplanting bugs from one region to another and also was listening to a few podcasts on the issues with this ( lady bugs). How they are taken during their hibernation stage, fat and tired. Then when they get to the buyer they are fat and lazy. Really in no mood to be eating right away. With that being the case they tend to travel a bit more before their next meal. A university did a study by marking the lady bugs with a mark on them, and then letting them go as if they had been bought. They found most did not stay on the target property. Plus they were speaking to how they can carry problems from one place to another and if that other place is far off and not seeing that particular issue it will have a greater chance of large scale spread. It was a good read and listen.

The black beetle in my case is from my region, plus the bonus that when they are released they won't be fat and lazy. Comparable to buying beneficial Nematodes and letting then ninja through some soil.

Obviously I am looking to more low impact methods of destructive pest management as I cover an area with a massive water shed to the Delaware river ( I'm on the banks of the river) and the river is already having to battle years of terrible industrial choices from the past 100 + years. I notice and not to any surprise most spray techs do a terrible job at what they are doing..... Human nature to be lazy or not truly try for most people when they look at things as "being good from their home". I can't change that but it would be great to start getting more information and better practice out to customers as a consultant and not the "tree service" looking for the payday. Plus I want to start working with local government on making our river valley towns tougher on what we are spraying, drenching, or releasing. I am growing tired of sitting back watching my area get abused.
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Also why I like lacewing eggs. They hatch and are hungry hungry hungry
 
Any technique of freeing predators onto pests is a long-term effort - it's not going to be an overnight solution. With that said, it could go either way. The fluctuations of weather and local ecology could render have a huge impact on the outcome.

Thorough planning and monitoring will improve the results, so coordinate any efforts with care.
 
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https://www.fs.fed.us/foresthealth/technology/pdfs/HWA-FHTET-2014-05.pdf
https://www.fs.fed.us/foresthealth/technology/pdfs/FS_hwa.pdf
Black lady beetles is a little vague, but if you are referring to Sasajiscymnus tsugae than the USDA already tried that in 1995. They didn't establish too well, so they tried a few other insects for biological control before discovering Laricobius nigrinus which was field released in 2003 and Laricobius osakensis released in 2010. Post release collection of these insects males it look like L nigrinus is better established and probably better at handling US climate.
 
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