Ineanus: hoary.
Inch: the English and American standard of length in insect measurement: it is = 12 lines and = 25.4 mm.: usually expressed in units and hundredths, as 1.01.
Incised: notched or deeply cut into.
Incision: any cut into a margin or through a surface: the marginal slits or notches in Coccidae.
Incisure: an impressed line marking the junction of two segments: an incision.
Inclinate -us: leaning or inclining.
Inclusus: when one part is wholly or partially hidden in another.
Inconspicuous: not attracting attention or quickly noticeable.
Incrassated: thickened: rather suddenly swollen at some one point, especially near tip.
Incubate: to brood: to cause to develop; as an egg.
Incumbent: lying one over another: wings when they cover the dorsal horizontally.
Incunabulum: = folliculus and cocoon; q.v.
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.
Infericornia: Hemiptera; in which the antenna appear to be inserted well down on the sides of head; e.g. Lygaeidae.
Inferior: beneath, below or behind: a term of position.
Inferior appendage -es: in male Odonata the lower one or two of the terminal abdominal parts used to clasp the female in copulation.
Inferior wings: = hind wings or secondaries: q.v.
Infero-posterior: below and behind: refers to location.
Inflated: blown up; distended bladder-like.
Explanation of Terms Used in Entomology · The Wunder Library — complete classics, free to read, with narration.