Digestive tract: the alimentary canal as a whole: more specifically that portion behind the crop, in which assimilation takes place.
Digitate: finger-like, or divided into finger-like processes.
Digitiform: formed, shaped like or having the function of a finger.
Digitules: appendages on the feet of Coccidae; in Lecanium, four knobbed hairs.
Digitus: the terminal joint of the tarsus, bearing the claws: a small appendage attached to the lacinia of the maxilla; rarely present and probably tactile.
Digoneutism: the power to produce two broods in one season.
Dilatatus: Coleoptera a margin, when the sharp marginal edge extends beyond its usual limit: the base when the transverse diameter is much longer at one part.
Dilated: widened, expanded.
Dilation: an expansion or widening.
Dilute: thinned out: applied to color means weak or pale.