This is an interesting trick I learned in an ant farming forum. It's a very simple recipe of "Bug Stop": mix 96º alcohol and talcum powder until you have a white liquid, then soak a piece of sponge with this mix and paint with it a band in the inside of the tupperware or recipient you're using for your glass climbing insects. The alcohol is going to evaporate leaving a very slim coat of talcum. It's so nice that can stop even fruit flies (it's fun how they fall in the moment they touch the band). The bad new is that it isn't water resistant and if you touch it disappears, but it's so cheap you can repaint everyday.
Hope you all find it helpful.
Hope you all find it helpful.