[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.
Because this is a widely distributed genus, economically important effects are likely to be found in many other crops world-wide.
This article related to members of the muscomorph flies superfamily Tephritoidea is a stub.