Winter stoneflies of the genus Allocapnia (Plecoptera, Capniidae) have low vagility, and apparently first evolved in the Appalachian system from where they slowly dispersed and speciated at different ...

Last week I noted some good news from the environmental front, the possibility of wild turkeys returning to live in Lower Merion (albeit in small numbers). This week I’ve got more good news. Earlier ...

Eight constant temperature baths, maintained at increments of 2@?C, were used in the laboratory to evaluate rates of growth, food consumption, and egestion of the carnivorous stonefly nymph, ...

Spring keeps the weatherman busy. Anything and everything can appear in the forecast. But anglers looking ahead can see past the weather as they anticipate the big event soon to come. A stonefly ...