science fiction horror movie

[sbrofio]

Hi guys, this is the last chance to find the titel of a movie I saw when I was 7 or 8. Here in Italy it was in on TV in late '80 first '90.
As I remember the story, more or less was: On the Moon scientists/astronauts found an alien creature. The alien was like a chrysalis, dark, and opening, two or more tentacles sprout out to take mechanical piesces ad build a body.
I remember the aliel with a mechanical ody destroyed a housing unit. All the mission was to avoid an entire spaceship full of these eggs could reach the Earth.

They had success destroing the spaceship but, in last seconds of the movie, an egg is shown in a scrapping tip building a new body.

Couyld you help finding the title?
Movie is for sure not made over year 1992, I beleive 1980-1985.

Thank you guys. I'm almost 25 years looking for it