This is the Guitar Solo/Intro in Insecto Urbano for Bass:

G-String:-------------------------------------------------|
D-String:------5----------5----------5--------------------|
A-String:-567-7-765--567-7-012--567-7-765--55555557777777-|
E-String:-------------------------------------------------|

That's it.
I think it's very easy, but for the right timing listen to the Song.

Look at this website on artist ?lf b. to listen my stuff.
Have fun.

Peace ?lf b.