Rivellia vaga
Namba, 1956
Rivellia vaga is a of signal fly in the Platystomatidae, described by Namba in 1956. Like other members of the Rivellia, it belongs to a group of flies known for their distinctive wing movements used in intraspecific communication. The species is part of a taxonomically challenging genus where some closely related species require examination of male genitalia for definitive identification.
Pronunciation
How to pronounce Rivellia vaga: //rɪˈvɛliə ˈvɑɡə//
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Identification
Identification of Rivellia vaga requires examination. Within the Rivellia, some pairs such as R. quadrifasciata and R. colei can only be separated with certainty by examination of male genitalia; similar cryptic diversity may apply to R. vaga. Signal flies in this are recognized by their characteristic wing-waving and often patterned wings.
Similar Taxa
- Rivellia quadrifasciataClosely related in the same ; both are signal flies with potentially similar wing patterns and , requiring careful examination to distinguish
- Rivellia coleiSympatric that can only be reliably separated from R. quadrifasciata by male genitalia; similar cryptic boundaries may exist with R. vaga