Missing resource hokuyo_node

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I am trying to use a Hokuyo rangefinder, following the tutorial, but fail at the first step: rosdep install hokuyo_node rviz

It seems that hokuyo_node is not in ROS_PACKAGE_PATH:

    ERROR: Rosdep cannot find all required resources to answer your query
 Missing resource hokuyo_node ROS path 
    [0]=/opt/ros/fuerte/share/ros ROS path 
    [1]=/home/dbarry/fuerte_workspace/sandbox ROS path 
    [2]=/opt/ros/fuerte/stacks ROS path 
    [3]=/opt/ros/fuerte/share ROS path 
    [4]=/opt/ros/fuerte/share/ros

But hokuyo_node is in what seems an odd spot: /opt/ros/fuerte/stacks/simulator_gazebo/gazebo_plugins/

and adding that path to ROS_PACKAGE_PATH does not help.

I must be missing something obvious, but need help figuring it out. Using Ubuntu 12.04, ROS fuerte