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What is this strange bug?

It swarms only on one certain plant with trumpet-shaped red flowers (in the picture the flowers are all shriveled and the leaves are in the foreground) and totally coats it until the bush dries up. It spreads very rapidly but only to this particular plant - will not touch any other. The bugs don't noticeably move, giving the impression that the whole bush has developed white fur.

Picture taken in Israel:Fluffy white Bugs

EDIT:

Here's a closeup of a single specimen (taken from one of the leaves in the foreground): enter image description here

And it seems the plant is a hibiscus: http://homeguides.sfgate.com/hibiscus-leaf-87355.html

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  • $\begingroup$ almost certainly a scale insect (or, less likely, some kind of aphid). Can't seem to get the picture to zoom on my phone, so I can't really see the white fuzz too well... $\endgroup$ – theforestecologist Mar 27 '18 at 2:17
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    $\begingroup$ They are some kind of mealybug. $\endgroup$ – Karl Kjer Mar 28 '18 at 1:15
  • $\begingroup$ @Karl Kjer I think you are correct! en.wikipedia.org/wiki/Mealybug#/media/… $\endgroup$ – nzn Mar 28 '18 at 8:54
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As indicated in @KarlKjer 's comment, this insect is a Pseudococcidae, or commonly known as Mealybugs. The exact species is difficult to find due to picture quality.

Mealybugs are insects in the family Pseudococcidae, unarmored scale insects found in moist, warm climates. Many species are considered pests as they feed on plant juices of greenhouse plants, house plants and subtropical trees and also act as a vector for several plant diseases.

Mealybugs occur in all parts of the world. Most occur naturally only in warmer parts, and get introduced into greenhouses and other buildings in cooler countries. It is unlikely that any live in the Arctic or Antarctic, except perhaps in buildings.

Considering that Mealybugs are found basically anywhere on Earth, it's not a surprise to have found them in Israel.

enter image description here

enter image description here

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