104 Records

Rivellia
Rivellia syngenesiae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	Pancrustacea
Class:	Insecta
Order:	Diptera
Family:	Platystomatidae
Subfamily:	Platystomatinae
Genus:	Rivellia Robineau-Desvoidy, 1830
Type species
Rivellia herbarum Robineau-Desvoidy, 1830

Rivellia is a genus of signal flies (insects in the family Platystomatidae). There are at least 140 described species in Rivellia.^[1][2][3][4]

There is limited information and understanding about the juvenile stages of most signal fly species. Thirteen species of Rivellia have, however, been studied in the field of agriculture because the larvae of many of these flies are associated with both living and decaying root nodules of nitrogen-fixing legumes, such as soybean, peanuts, and pigeon pea. They can also be found on the roots or flowers of other cultivated plants like eggplant, sorghum, black locust, and Narcissus.^[5]

With soybean, this association has been shown to be economically significant because pest-induced stress caused by these flies can significantly reduce nitrogen fixation and yields; Rivellia quadrifasciata, Rivellia basilaris, and Rivellia basilaris are all known pests of root nodules of this crop. Because this is a widely distributed genus, economically important effects are likely to be found in many other crops world-wide.^[5]

• List of Rivellia species

Wikispecies has information related to Rivellia.

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