A captive A. nicobarica has been recorded creating a burrow in soil and roofing it with debris which suggests they can be flexible over their selection of refuges. When any of the tusked wētā are provoked further they display " mandible gape", "raise foreleg" and "raise head" which closely resemble a suit of components displayed by Hemideina species.
A captive A. nicobarica has been noted to build a burrow in soil and cover it with debris, showcasing adaptability in selecting refuge options. Upon further provocation, tusked wētā display aggressive behaviors including "mandible gape", "raise foreleg" and "raise head" postures that mirror the defensive displays of Hemideina species.