There is a beautifully illustrated arxiv paper Ballooning Spiders: The Case for Electrostatic Flight by Peter W. Gorham at https://arxiv.org/abs/1309.4731 https

There is a beautifully illustrated arxiv paper Ballooning Spiders: The Case for Electrostatic Flight by Peter W. Gorham at https://arxiv.org/abs/1309.4731 https://arxiv.org/abs/1309.4731, which is a good read, if you want to get a bit more into the subject.