naples phlebovirus naples phlebovirus naples phlebovirus is an antigenic species of genus phlebovirus within the family phenuiviridae of the order bunyavirales. it is an enveloped rna virus with a tripartite genome e uukuniemi (uuk) serogroup. the sandfly group's natural reservoir are sandflies, while the natural reservoir for uukuniemi is ticks. the sfnv serogroup consists of two main serocomplexes associated with disease in humans, the naples and sicilian serocomplexes. sandfly fever induces myalgia, fever, and elevated liver enzymes in humans. it is difficult to diagnose outside endemic areas. naples phlebovirus virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: negarnaviricota class: ellioviricetes order: bunyavirales family: phenuiviridae genus: phlebovirus species: naples phlebovirus synonyms sandfly fever naples phlebovirus natural reservoir phlebotomine sandflies (psychodidae) are the natural reservoir and transmit to humans via bite. psychodidae has a wide geographical distribution.