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Royal Jelly

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Royal Jelly
Production information

Xenomorph Queen, Empress, Queen Mother

Technical specifications


Royal Jelly is a potent, transformative substance produced by a Xenomorph Queen.


Alien-Earth WarEdit

In the aftermath of Earth's infestation in the late 22nd century, humans harvested Royal Jelly from the remaining Xenomorph Hives, where it was refined and marketed as the performance enhancing drug Xeno-Zip. Known on the street as "Fire" The drug also contained a minuscule amount of Royal Jelly recovered from the remains of the Queen Mother destroyed on Earth. Less potent synthetic versions were manufactured as supplies of the pure substance dwindled, and the United States Colonial Marine Corps mounted a recovery operation to Xenomorph Prime for more.


Weyland-Yutani scientists extracted Royal Jelly from the Matriarch and utilized it in multiple experiments and tests. Additional quantities of Royal Jelly were stored in containment cylinders.

Effects on XenomorphsEdit

Royal Jelly produced by a Queen Mother was believed to be involved in the creation of new Queens. Royal Jelly could be used to create Praetorian from Warriors if the situation called for it. If the Queen died and there were no Praetorians to take her place, the Royal Jelly could be a last resort to creating a new Queen. Its exact purpose is unknown, however.


  • The concept of Xenomorph-produced 'royal jelly' is first mentioned by Bishop in Alan Dean Foster's novelization of Aliens.[1]
  • In the 2010 video game Aliens vs. Predator, canisters of Royal Jelly serve as the collectible item of the Alien campaign. Once the player has found and smashed all of the canisters, they will unlock the trophy/achievement "Quite a Specimen".
    • Some have theorized that it was close contact with Royal Jelly, as a result of destroying these canisters, that caused Specimen 6 to turn into a Queen.
  • The black liquid has a similar effect on organisms as Royal Jelly, only the effects are more acute.



  1. Alan Dean Foster. (1986). Aliens novelization. Warner Books, Inc., 212. 

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