Pupil size abnormalities can sometimes signal disease. 1  Glaucoma: A mid-dilated pupil can be a sign of glaucoma.  Aneurysm: An aneurysm that pushes on certain blood vessels in the brain can cause a dilated pupil as well as other symptoms.
Quick Answer. The total lifespan of a lightning bug is anywhere from one to two years. However, the bulk of that lifespan is spent underground in the larval phase. Adult lightning bugs have very short life spans, averaging just two months in the wild. Continue Reading.
Bed Bug Life cycle. Most eggs hatch (64%) between days 6 or 7 (90% between days 8 and 9), all depending on the temperature. A bed bug will pass through 5 stages before reaching adulthood which is the 6th stage of the bedbug life cycle. A newly hatched baby bed bug or nymph is referred to as an instar.