Thanks everyone for the advice and kind thoughts. I suspect that the humidity in the enclosure was just too low. It's already dry in the house due to it being winter now, and she already hadn't been interested in eating for a few days, and just been hanging upside down.
I helped her out of her...
My orchid mantis is about 6 months old now. She stopped eating for the last week so I thought she might be at the end of her life (since her sibling passed away a few weeks without any apparent reaso n). Then yesterday midday I saw that she was in the middle of a molt and I was overjoyed. ...