In Nathiagali, be aware of an insect named Dangi which may come inside your hotel room. This black colored dangerous insect is bigger than Spider in size.
Make sure that there is no Dangi in the room especially at night. Keep room and washroom doors closed so that this insect could not enter inside.
Dangi mostly lives near garbage. There are some hotels in Nathiagali that are closer to these garbage dispose off areas. So make sure not to stay in such hotels.
Its better to keep insects killer inside room always. If you plan to stay at some rest house, then it is always recommended to spray insect killer.