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.
Life cycle The total duration of the life cycle of the triatomine bug, from egg to adult, variesfrom 4 to 24 months, depending on the species and environmental conditions(Fig. 3.2). The most important vector species usually have one or two cycles peryear.n a study in Brazil the cost of keeping a house free of triatomine bugsfor one year was estimated at US$29 for paint, $73 for BHC, and between $31 and $66 for â¢most common pyrethroids.