| The positive allometry of flight speeds ensures that translational speeds of volant vertebrate predators substantially exceed those of their insectan prey. |
| The epitome of insectan torture was developed by a 19th-century emir of Bukhara, in present-day Uzbekistan. |
| They are of less frequent occurrence in insects, but the chemistry of the secretion of insectan hairs, to the extent that it is known, can be of interest. |
| The insectan nervous system evolved from the segmented system of annelid worms, such as the earthworm. |
