Mutant Tino:-
Minimum logged drop: 978 Mesos
Maximum logged drop: 1466 Mesos

Mutant Tiru:-
Minimum logged drop: 992 Mesos
Maximum logged drop: 1483 Mesos

I plan to do this for other Future Henesys mobs if they're not present in the database. I know there's a Chaos Meso/Item thread, but I wasn't sure whether to post in there or not so I made this instead. I'll be posting more comments or updating this one as I collect more info.