Infericornia, [548]

Infra-oesophageal ganglion, [541]

Inquilines, [30], [81]

Insects as food, [417], [504], [568]

Instars, of Aspidiotus, [596];

of Coccidae, [595];

of Epicauta, [271]

Instinct, [235], [274], [373], [403], [424], [487], [546];

of Ants, [590];

of Bembex, [121];