We report on the results of a long time photometric monitoring of the two metal poor Galactic globular clusters M22 and IC4499 searching for long period variables ( LPVs ) on the upper giant branch .
We detected 22 new LPVs in the field of M22 and confirmed the variability of six known variables .
Periods could be determined for 16 of them .
In the field of IC4499 we detected and characterized 2 new LPVs .
Cluster membership is evaluated for all the variables based on photometry and literature data , and the location of the stars in log P- K -diagram is discussed .
Our findings give further support to the presence of LPVs at metallicities as low as [ Fe/H ] = - 1.7 .
The luminosity range where LPVs are found in metal poor clusters is lower than in more metal rich clusters .