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This is an overview article which contains background information and cross-game comparisons. For game-specific information and stats, see the articles linked on the right.
Gameplay articles
Fallout 2Mantis
Fallout: New VegasGiant mantis
Giant mantis female
Giant mantis nymph

Mantises are creatures found in Fallout, Fallout 2 and Fallout: New Vegas.


Mantises are mutated Mantis religiosa. Before the Great War, they could be found in southern Europe, all over the north-eastern United States and Canada to the Pacific Northwest and range from 5 cm to 7.5 cm.


After the Great War, two divergent mutation can be seen. The variant seen in New California come from an exposure to radiation and to the mutated F.E.V. of the West Tek Research Facility coming from the air.[1] The other variant seen in the Mojave Wasteland are created by the horticultural experiments of Vault 22.


Giant mantisEdit

Giant mantis
Gameplay articles: Fallout, Fallout 2, Fallout: New Vegas

A giant version of the pre-War praying mantis. According to the G.E.C.K. they have the highest count of creatures in Fallout New Vegas.

Giant mantis femaleEdit

Giant mantis
Gameplay article: Fallout: New Vegas

These female giant mantises are more powerful than male giant mantises, and larger too. They can be a source of mantis eggs.

Giant mantis nymphEdit

Giant mantis nypmh
Gameplay article: Fallout: New Vegas

Young giant mantises who appear much smaller and weaker than adults. With a high enough strength, they can be killed simply by stepping on them.


  1. Fallout Bible 0

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