Part 70

Hyaloplasm: the clear, semi-fluid material between the meshes of the cell reticulum.

Hybrid: the progeny from the mating of two species.

Hydradephaga; -ous: applied to aquatic, predatory pentamerous beetles with filiform antennae: see adephagous.

Hydro: relating to water: a combining form used as a prefix.

Hydrolysis: the chemical decomposition of a compound by water, causing formation of a new compound.

Hydrophilous: applied to species living in low, damp places.

Hymen: a thin plane membrane serving as a partition.

Hymenoptera: membrane-winged: an ordinal term applied to insects with four membranous wings with few veins, the anterior usually larger than the posterior; mouth mandibulate; head free; thorax agglutinate, transformations complete.

Hyoid: having the form of the Greek upsilon, Y

Hypermetamorphosis: when an insect passes through more than the normal number of stages; the interpolated stages coming usually between the full-grown larva and adult.

Hyperparasite: is a form that is parasitic upon another parasite.

Hypertely: beyond the bounds of the useful: those forms whose resemblance to other objects is closer than needful, or without apparent object.

Hypertrigonal space: = supra-triangular space; q.v.

Hypertrophied: abnormally large or excessively developed.

Hypnody: lethargy; a condition similar to or identical with hibernation.

Hypertrophy: any abnormal enlargement or excessive development.

Hypoblast: = entoderm.

Hypocrateriform: salver-shaped.

Hypodactyle: the so-called labium of Hemiptera.

Hypoderm -is: the cellular layer which secretes the chitinous cuticula and in this sense = epidermis: specifically applied to the lining membrane of elytral and hemelytra.

Hypodermatic: of or concerning the hypodermic.

Hypodermic: under the skin.

Hypoglottis: the under surface of the tongue = hypoglottis.

Hypoglottis: a sclerite inserted between rectum and labium in many Coleopteran.

Hypognathous: having the mouth parts directed more or less vertically ventrad.

Hypographous: shaded; applied to a fascia that becomes gradually darker.

Hypomeron -a: in Coleopteran; the inflexed edge of the pronotum (pronotal hypomera); and the raised lower margin of the epipleural (elytral hypomera) (see epipleural) fold.

Hypopharyngeal: relating to the hypopharynx.