From Wiki: https://en.wikipedia.org/wiki/Scale_insect

Out of control already, these scales will probably kill this plant. Mitigation has come too late.2020 hasn't been a good year. Because of these pests, several other house plants in our Solar Room have already gone to Plant Heaven. The start of such an infection can seem invisible. The problem silently comes in and quietly latches on. After that, things then spread quickly until the situation becomes almost impossible to control.

Does this perhaps sound like something else that has also been happening in 2020??? Not the best of years for a lot of things...

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Update: May 22, 2020, 02:18 GMT
USA
1,620,902 confirmed cases of COVID-19
96,354 American Deaths