is above the middle of base.

Dentate-serrate: toothed, with the dentations themselves serrated on
their edges.

Dentate-sinuate: toothed and indented.

Dentes: the teeth or pointed processes on the inner side of the
mandible: the second or middle part of the furcula in Collembola,
consisting of two parallel pieces from the distal end of the manubrium
and bearing at their apices the crones.

Dentes caninae: see canine teeth.

Denticle: a small tooth.

Denticulated: set with little teeth or notches.

Dentiform: formed or appearing like a tooth.

Denudate: without covering; destitute of scales or hair.

Denude: to free from covering; to rub so as to remove the surface
covering of scales, hair or other vestiture.

Deorsum: downward.

Dependent: hanging down.

Deplanate -us: see complanate.

Depressed: flattened down vertically; opposed to compressed.

Depressor: applied to a muscle that has for its function the depression
of an organ or a part.

Deratoptera: = Orthoptera.

Dermal: relating to the skin or outer covering.

Dermal glands: hypodermal unicellular glands which secrete wax,
setae, spines, etc.

Dermaptera: see Dermatoptera.

Dermatoptera: skin-winged: an ordinal term applied to insects with
elytriform, abbreviated primaries beneath which the secondaries are
folded transversely and fan-like: mouth mandibulate, prothorax free;
abdomen forcipate; metamorphosis incomplete: the Forficulidae or
earwigs.

Desectus: = truncatus.

Desideratum -ata: some thing or things needed or desired.

Destitutus: wanting; being without.

Determinate: with well-defined outlines or distinct limits: fixed:
marked out.

Detonans: exploding: a sudden noise or a puff like an explosion.

Detritus: rubbed off; a surface partly denuded.

Deuterotoky: parthenogenetic reproduction when the progeny are
male and female: see arrhenotoky and thelyotoky.

Deutocerebral segment: =antennal segment; q.v.

Deutocerebrum: the middle portion of the brain, formed by the
ganglion of the 2d primary segment; also termed antennal or olfactory
lobes from the parts it innervates.

Deutoplasm: the yolk or food plasm of an ovum.

Deutotergite: the secondary dorsal segment of the abdomen.

Dextrad: extending or directed toward the right.

Dextral: to the right of the median line.

Dextro-caudad: extends obliquely between dextrad and caudad.

Dextro-cephalad: extends obliquely between dextrad and cephalad.

Di: as a pr