Sciarids flies (lat. Sciaridae), are, as people say, fungus gnats - small insects from the order Diptera (Latin Diptera). The first representatives of sciaridae appeared many millions of years ago, now these insects are considered one of the most ancient living organisms that have survived to our time.
For domestic plants of the middle lane, mainly three types of sciarids are dangerous: Bradysia, Sciara, Lycoriella. They are all very similar to each other.
Nuisance problems with fungus gnat adults tend to be most noticeable during late fall and winter, for a couple of reasons:
1. Houseplants that live outdoors during warm months commonly start breeding fungus gnats. When these plants are brought indoors, populations may increase due to the higher temperatures.
2. During colder months, people spend more time indoors, thus increasing chances to notice the infestation.