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.
A dragonfly is an insect belonging to the order âOdonataâ. Dragonflies are are not actually a fly even though they both have six legs and three body parts, head, thorax and abdomen. The main difference between them is that flies only have two wings whereas dragonflies have four wings.