Dark-winged fungus gnats
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Introduction
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Anatomy
Reproduction
The Female flies of the family Sciaridae can produce between 75 to about 200 white eggs which are oval and white They are laid on the soil surface and in crevices larvae may emerge between 4 to 6 days and are white with black heads. The complete development occurs within 2 to about 3 weeks at an approximate 22 degrees Celsius,which is usually a common house temperature the pupal stage usually appears as a thick cocoon and lasts usually 4 to about 6 days in an approximate 22 degrees Celsius larvae of variations of species feed on organic matter that is decaying, soil and fungal. The larvae can also feed on rotting plant roots and lower stem tissue.[1]. Fungus Gnats cannot reproduce inside of buildings however they can enter buildings as flying adults and develop indoors Through all life stages. [2].
Ecology
Damages
The fungus gnat is primarily known as a nuisance, Only fungus gnat's commonly damage plant life the larvae of the fungus gnat feed on roots, thus usually stunting the plant growth Root damage can occur in interior plantations and in houseplants if higher populations infest moist, organic-rich soil. Fungus gnat larval damage can be especially serious in greenhouses, nurseries, and sod farms. In addition to larvae chewing on roots, both larvae and adults can spread plant pathogens and may promote disease in commercial crops. [3]
Gallery
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References
- Sciaridae by Wikispecies.
- Sciaridae by University of Guelph.
- Fungus Gnats S. H. Dreistadt, UC IPM Program, UC Davis, by IPM Education and Publications, University of California Statewide IPM Program.
- reference title author, publisher, date.[4].
- reference title author, publisher, date.
External links
- Those Pesky Little Black Flies By Lee S. Yudin, Ph.D., University of Guam, August 28, 1999.
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