Like other citrus, this genus can be prone to scale and aphids.
From the sfgate.com
Flindersia is a genus of 14 species of tree in the citrus family.
From the en.wikipedia.org
To underline the point, when you go to the Wikipedia article on citrus, it begins by saying citrus is a genus within the Rutaceae, suggesting they are not the same thing.
From the en.wikipedia.org
Citrus refers to a family of plants, a genus of plants, and a food type that includes more than the genus but less than the family.
From the en.wikipedia.org
Records of citrus cultivation stretch back to 2100 BC, but scientists have always disagreed about how many species there are in this plant genus.