Garden staff are finding more scale insects and aphids than in past years. A major infestation of lecanium scale was recently found on a large planting of bald cypress at the Garden. The population of ...

This suburban park in Adelaide's north-east used to resemble a small forest, filled with hundreds of well-established pine trees. But due to an infestation of an exotic pest, known as Giant Pine Scale ...

This is a preview. Log in through your library . Abstract A scale-free tree with the parameter β is very close to a star if β is just a bit larger than — 1, whereas it is close to a random recursive ...

In Wilmington one doesn’t have to look hard to find a stressed maple tree - bare twigs, early leaf drop, and lichen in the canopy are just some of the indicators your maple isn’t growing vigorously.