What's your question? Ask

There is no known chemical treatment against the midge. If you clean up and destroy all the berries that fall, and any you can get off the tree, you would go a long way to controlling the infestation. http://www.upenn.edu/paflora/plantclinic/hollyberrymidge.htm

Use 4 - 6 cuttings per bundle. You are rooting these cuttings; the transplanting takes place when you move well grown plants from one pot or garden spot to another.

The article you're referring to is just one method of starting holly, used by some northern gardeners. The rooting hormone is placed on the bottom end of the cuttings, where the roots will be. The cuttings are placed upside down in a hole and covered with earth to take advantage of warming effects of winter sun, and also to keep the cuttings moist. Moisture is key in starting holly. In the spring, the cuttings should be planted right side up with leafing ends in the air. For another, more common approach to starting cuttings, see this: https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-root-cuttings-from-various-shrubs-bushes-and-trees.htm
Most hollies should be started from hardwood cuttings, and the do best if you set up some sort of moisture conserving system, like a plastic cover.

This looks like some type of English holly, but there are hundreds of varieties. Other aspects you need to take into consideration to identify are the size and shape of the bushes, the color of the berries and location and shape on the branches, the color and season of the flowers. Probably the best idea for you would be to contact the nearest botanical garden or master gardener program. This link will help you locate the nearest organization: http://mastergardeners.org.uk/get-involved/find-your-nearest-master-gardener/

There are hundreds of kinds of bugs that might be on your plants. However, it's possible that some disease is attacking your holly, and the bugs are just hanging around. This article will help you find more information about common diseases and insects: https://www.gardeningknowhow.com/ornamental/shrubs/holly/diseases-of-holly-bushes-pests-and-diseases-damaging-holly-bushes.htm
You can send us pictures of the leaves, and the bugs if you can find them.
Or you can take some leaf and branch samples to the County Extension Service for analysis. This link will help you locate the nearest one: https://www.gardeningknowhow.com/extension-search

This could be mealy bugs, a white scale, or white aphids. In any case, the treatment is the same:

https://www.gardeningknowhow.com/ornamental/shrubs/holly/diseases-of-holly-bushes-pests-and-diseases-damaging-holly-bushes.htm