1.  tortrix(n = noun.animal) argyrotaenia citrana, orange tortrix - California moth whose larvae live in especially oranges;
is a kind of tortricid, tortricid moth
is a member of genus tortrix

2.  tortrix(n = noun.animal) homona coffearia, tea tortrix - small Indian moth infesting e.g. tea and coffee plants;
is a kind of tortricid, tortricid moth
is a member of genus tortrix

1.  Any one of numerous species of small moths of the family Tortricidæ, the larvæ of which usually roll up the leaves of plants on which they live; -- also called leaf roller. [1913 Webster]

2.  A genus of tropical short-tailed snakes, which are not venomous. One species (Tortrix scytalæ) is handsomely banded with black, and is sometimes worn alive by the natives of Brazil for a necklace. [1913 Webster]

tortrix, n. any moth of the family Tortricidae, esp. Tortrix viridana, the larvae of which live inside rolled leaves.

Etymology:
mod.L, fem. of L tortor twister: see TORT

genus tortrix, orange tortrix, tea tortrix