Incurved -ate: bowed or curved inwards.
Independent: in Lepidoptera; that vein of the wings that arises from the cross-vein closing the cell, and does not branch directly from any vein reaching the base: it is v. 5 of the numerical series in both wings and the media of Comstock.
Indeterminate: not defined nor well marked; obscure: of no constant form or shape.
Indigote: a very deep indigo blue.
Indirect: applied to metamorphosis = complete.
Indumentum: a covering of hairs, scales or tufts.
Indurated: hardened.
Indusium: the case made by an insect larva: a membranous layer of the embryo of Locustidae below the serosa.
Inequal: a surface with irregular elevations and depressions.
Inermis: unarmed: without spines or spurs.