<My humidity is staying between 75-85% and the temp is staying low to mid 70's. >
Sorry did not see this. it's past my bedtime !
Humidity does not need to be above 80%
The temp is too low.
daytime 78-82 F
night 71-75 F
If the "moss mat " ( if fake) can not be cleaned properly, you are right...... it will cause problems.

Bowl feeding works great. However they do need a little practice.
Aren't the crickets escaping under the moss?