Hypopharynx, [96]

—see also Lingua

Ichneumones adsciti, [559]

Ichneumon-flies, [265], [551];

uninjurious, [264];

supplementary, [558]

Ichneumonidae, [551]-[558]

Ichneumonides, [557]

Ictinus, [419]

Imaginal, discs, [165], [166];