Biomorphotica: those neuropterous insects in which the pupa is active.
Bionomics: the habits, breeding and adaptations of living forms.
Biophore: an ultimate constituent of germ plasm or hereditary substance.
Bioplasm: formative living matter.
Biparted: profoundly divided into two parts: see bifid.
Bipectinate: antennae having comb-like teeth or processes on Beach side of each joint.
Bipupillate: an ocellate spot with two pupils, of the same or different in color.
Biradiate: consisting of, or with two rays or spokes.
Biramose -ous: having two branches or doubled appendages.
Biseriately: arranged in double rows or series.