connect/install problems

I installed / uninstalled pgadmin 3 twice via synaptic, finally  grabbed 
the package via apt-get install pgadmin3.   Not hanging up now, but 
simply getting an authentication error in a pop up window:

an error has occured:

Error connecting to the server: FATAL: IDENT authentication
occured for user "myusername"

The same username/password gets me into the database just fine
via command line psql.

Via the dpkg command I see:
root@PhiLinux:/home/fractalvibes # dpkg -l pgadmin3
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Installed/Config-files/Unpacked/Failed-config/Half-installed
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err: 
uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
ii  pgadmin3       1.2.0-1        Graphical administration tool for 
PostgreSQL
root@PhiLinux:/home/fractalvibes #  

Not sure what kind of config problem I have here....???

Phil J.