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.
Fireflies actually consist of more than 2,000 species in the family of Lampyridae. The name lightning bug is also commonly used for fireflies because of their bioluminescence. Research shows that some species of fireflies are considered at risk in certain areas of the world because their natural habitats are being destroyed.