One of the species is named the Beelzebub's tube-nosed bat and it was  found in Vietnam and described as "diminutive but demonic-looking".

"We chose the name Beelzebub to reflect the dark 'diabolic' coloration of the new species, and its fierce protective behavior", said Gabor Csorba of HNHM in a statement.

Specialists say that their dependence on forest habitats leaves them vulnerable to ongoing deforestation. Almost nothing is know about their ecology and what things should be done for their survival.

Source: http://www.enn.com/wildlife/article/43193