mengla dianlovirus mengla dianlovirus mengla dianlovirus (mlav, also written měnglà virus) is a type of filovirus identified in a rousettus bat in mengla county, yunnan province, china, and was first reported in january 2019. it is classified in the same family as ebolavirus and marburgvirus. mengla dianlovirus virus classification (unranked): virus realm: riboviria kingdom: orthornavirae phylum: negarnaviricota class: monjiviricetes order: mononegavirales family: filoviridae genus: dianlovirus species: mengla dianlovirus synonyms mengla virus it is the only member of the genus dianlovirus. the name derives from 滇 (diān), the chinese language abbreviation for yunnan, added to "filovirus", the common name for filoviridae. neither the species nor the genus are listed in the 2018 ictv classification, as the virus was formally described after that report was released. a formal proposal was submitted for the taxa in january 2019.