Pears on the Loose! For many people, the flowering of pear trees in our front yards and along the highways signals the beginning of Spring. In years past, these trees (known as the Callery pear, Pyrus calleryana) burst into bloom in the first few weeks of March. This display is shortly followed by the buzzing […]
Examining the Relationship between Spotted Lanternfly and Tree-of-Heaven
The invasive pest spotted lanternfly (Lycorma delicatula) likely arrived in the United States as an egg mass hitchhiking on building stone imported from Asia to Southeastern Pennsylvania. The pest was discovered in 2014 when a forester observed adult lanternflies massing on the trunks of tree-of-heaven close to building stone company’s lot. Tree-of-heaven is itself an invasive import […]