Psychotic disorders are severe mental disorders that cause abnormal thinking and perceptions. People with psychoses lose touch with reality. Two of the main symptoms are delusions and hallucinations.
How many dragonfly species are there? Answer: The actual number of described species of Suborder Anisoptera (dragonflies) at this time is 2,874. The Suborder Zygoptera (damselflies) consists of about 2,698 species, and the Suborder Anisozygoptera contains only 2 species. Thus, there are 5,574 recognized species of odonates at the present time.
Life Span of a Lightning Bug. There are more than 2,000 species of lightning bugs. Lightning bugs, also known as fireflies, belong to the insect family Lampyridae. Fireflies are not actually a type of fly; they are a species of beetle.