Squash bugs are appearing in numbers now on leaves of squash and related plants such as pumpkins, melons, and cucumbers.     Nymphs hatch from eggs laid on the underside of leaves near the crown of the plant.           Nymphs are green and red, about 1/8” long and appear clustered in groups at first. As they develop into adults through five instars (stages) they disperse themselves on the plants.         Adult Squash bugs are grayish brown, with short orange stripes around the edge [...]