Cocooned

Aurora marched in line alongside dozens of other women **** during the last Piscean attack. She was a space marine, and had no shortage of survival skills and talents, but unfortunately she also had been stripped naked for the trip. It was an indignity.
All of their belongings were taken, from shoes to hair braids, and their nails were trimmed as far as they could go. They had been bound for examination and probed everywhere. Aurora had already had her head shaved, along with the rest of her body, and was grateful in this heat.
The terrain was as red as Mars, and for a moment, when they were shoved outside, she worried that they were going to suffocate. The air turned out to be quite breathable. In fact, some of them--herself included--were getting occasional and severe oxygen highs. They were kept at a running pace by their captors, which differed a bit from the standard Piscean. Aurora silently wondered if these might be their females, but turned her mind from the question and focused on getting out--hopefully with a party in tow.
A few began to drop from heat exhaustion. She watched as the aliens lifted them up, inserted some proboscis down their throats, and bloated them with some strange fluid. Their eyes went wide and rolled back a bit, before they fell to the ground, clutching their stomachs and gagging. Feeling relieved and sensing the danger of it happening again, they got to their feet and started running.
Finally, they stopped.
They were led into a cavern by their herders, and a steel fence slid into place behind them. The ground was...moist somehow. Aurora was cautious, she didn't think this planet had any oceans or realistic water on it. A second grate slid into place in the dark, where they had been abandoned. What was going on?
Then she realized it. It wasn't just moisture, the ground beneath her feet was covered in fleshy tendrils. In a short period after the gate clicked shut, the tendrils started ripping up out of the ground, grabbing girls by their legs, and pulling them to some story below! Aurora tried to resist, but was caught by the ankle, and condemned to some deeper horror as she dragged her remaining nails across the floor. She blacked out.

When she awoke, she was covered at her ankles and wrists with a sticky resin, her limbs held out like a cross. A pod was opening above her. On other parts of the wall, that she could see, some of the other victims were being tormented by alien suckers, creatures not much larger than the span of her hips, some on faces and some on groins, some in even more awkward places. Occasionally a scream of agony and bliss would echo down the hallway. From the pod, such a creature emerged, and began to creep its way down the wall toward the young and fertile marine.