What is the name of the icon for usb drives in Ubuntu?

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http://askubuntu.com – I am developing a PyGtk application that I would like to display the image for a USB stick from the user's theme. However, I cannot seem to pin down the name of the icon, and Google is no help. Consider the following code: import pygtk pygtk.require('2.0') require gtk icon_theme = gtk.icon_theme_get_default() icon_theme.has_icon('firefox') #True icon_theme.has_icon('google-chrome') #True icon_theme.has_icon('usb') #False. I have also tried "drive", and "usb-drive". Can you suggest a query? Is the USB stick icon discoverable this way? Should I look elsewhere? (HowTos)