What you see in the accompanying photo gallery are the eggs of a few small branches of the insect tree of life. Among them are those of some butterflies that face extraordinary travails to defend ...

According to Pennsylvania Department of Agriculture, there have been two Lanternfly sightings in Erie County this year.

Three species of cicada that only emerge once every 17 years are gearing up to spring to the surface in droves.

A local tree company reported Tuesday that it spotted an egg sac for spotted lanternflies on a tree on Sterrettania Road in ...

Different growths are caused by different animals. Here's what it means if you see one of these on your oak tree ...

Insect eggs can take any shape at almost any size, refuting explanations for their dimensions based on geometric scaling laws or on relationships between egg traits and adult traits. Viviane was a ...

This disrupts the insect cells on the gut wall ... Additionally, no new adults can emerge on the tree, so adults laying eggs on these plants will not perpetuate the population.

Eastern hemlock trees are a vital foundation species in Pennsylvania forests, supporting the ecosystem and enhancing ...

Stemming the Southern pine beetle onslaught is one way to limit the amount of dead trees that lead to new growth and more ...