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.
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.
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.
Hypopharyngeal sclerites: in bees, a pair of strap-like pieces along the hypopharynx to the mentum: see also epipharyngeal sclerites.
Hypopharynx: a sensitive and sensory structure on the upper surface of labium that serves as an organ of taste, or true tongue.
Hypopleura: in Diptera, the space over the middle and hind coxa, between the metapleura and pteropleura: the side of the metasternum: the mesepimeron of the mesothorax.
Hypopygium: the anus: more specifically the lower plate of the anal opening: in Diptera, the male sexual organs and terminal segments of abdomen = propygium.
Hypostoma: in Diptera; that portion of the head included between antennae, eyes and mouth: in Hemiptera: the lower part of face.
Hypotenuses: in Odonata; the simple or broken cross-vein between media 4, and cubitus 1, forming outer boundary of triangle.