emp breeding tips

[Spider-Man v2.0]

im wondering, what are the beast condistions for emp breeding??
right now the humidity is about 90%
but what kinda temps are required? do thay realy need a flat surfice and what is the beast type of surfice for it??

 

[Brandelmouche]

Humidity at 90 % it's OK, the temp. 85 F and for the flat rock i use some pice of céramique.