ארבה, Arbeh, Locust is the eighth plague.

1. אַפּ֗וֹ His anger” - The sages explained that there were so many locust, the land was too narrow to contain them - so much so that they couldn’t see the earth.

2. עֶבְרָ֣ה “Wrath” - They also weren’t able to see the sky (above them) - this is Ein kol ha’aretz (Ex. 10:15)¹⁵⁸ And as a result they stumbled when they tried to walk.

footnotes: ¹⁵⁸ See Ibn Ezra on Exodus 10:15

3. זַ֣עַם “Indignation,” - They ate all the plants and all the fruits.

4. צָרָ֑ה “Trouble,” - When the locust could no longer find anything else to eat, they began to consume the Egyptians. That is why Pharaoh said, “Plead with HaShem your God that He remove this death from me.” (Ex, 10:17) This implies that the Egyptians were dying because of the locust.

5. מִ֝שְׁלַ֗חַת מַלְאֲכֵ֥י רָעִֽים “A band of deadly messengers” - There were no locust left within the borders of the land of Egypt, even the locust that were pickled or cooked which they had before hand…