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.
Also known as fireflies, there are over 2,000 species of lightning bugs in the world. No matter what the species, lightning bugs prefer to live in or near water in warm temperatures.They become most active during hot, humid nights. 1  Where Do Lightning Bugs Go During the Day?lso known as fireflies, there are over 2,000 species of lightning bugs in the world. No matter what the species, lightning bugs prefer to live in or near water in warm temperatures. They become most active during hot, humid nights. 1  Where Do Lightning Bugs Go During the Day?