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.
Predators of Juveniles. Juvenile and mature dragonflies have different sets of predators. In the aquatic larval stage, their primary predators are ducks, amphibians such as toads and newts, fish and bigger damselfly and dragonfly larvae.redators of Adults. Adult dragonflies must dodge a broad assortment of predators, specifically arthropods, reptiles, fish such as bass, tiny mammals such as water shrews, frogs and fellow insects. Bees routinely go after mature dragonflies.