Habit -us: the port or aspect: used to express a resemblance in general appearance.
Habitat; abbreviated Hab.: the region or place which an insect inhabits or where it was taken.
Haemoglobin: the coloring matter of blood which serves to carry oxygen.
Haemolymph: the watery blood or lymph-like nutritive fluid of the lower invertebrates.
Haemoxanthine: a dissolved albuminoid in the insect blood, which has both a respiratory and nutritive function.
Hair: a slender, flexible filament of equal diameter.
Hairy: covered or clothed with hair.
Halophilous: species living in salt marshes, or near the sea.
Halterata: the Diptera.
Halteres: the poisers or balancers: capitate movable filaments in Diptera, situated one on each side of the thorax and representing rudimentary hind wings.