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.