Lavanini was not punished any further by the judiciary however Hourcade decided to omit him from the squad which is also missing the injured Leonardo Senatore.
That repeat lack of control has crept up on the Pumas and impeded their progress since their encouraging introduction to the Rugby Championship in 2012. They have lost all nine of their tests with the All Blacks but showed a resilient and technical edge their rivals found hard to break down.
Promise from their opening seasons then slipped and they were beaten 57-22 in Hamilton last year before losing 36-17 back in Buenos Aires.
They have not been helped by the schedule with the test in New Plymouth the fifth successive time they have travelled first to play the All Blacks.
The hosts will be without Ben Smith who is taking time out but Israel Dagg will fit in somewhere in the back three while Nepo Laulala brought a strong right edge to the scrum in place of the injured Owen Franks.
Injuries and suspension has left an unsettled midfield shape this season and the selectors may feel it preferable to get some more mileage from the Sonny Bill Williams and Ryan Crotty partnership in preparation for the Springboks the week after.
Sam Cane's recovery from concussion and Jerome Kaino's availability will also have to be factored into the mix before the loose-forward combination is settled. The All Blacks have the luxury of a strong squad who are comfortable with their plans while the Pumas are still searching for some breakthrough.