Decumbent: bending down at tip from an upright base. Decurrent: closely attached to and running down another body. Decurved: bowed downward. Decussate: crossing at an angle: X-like: in cross pairs; or, when bristles alternately cross each other, as in some Diptera. Deflected: bent downward: the wings, when the inner margins lap and the outer edges decline toward the sides. Deflexed: abruptly bent downward. Deformed: twisted or set in an unusual form: specifically, in Coleoptera applied to knotted or twisted antennae as in male Meloids. Dehiscence: the splitting of the pupal integument in the emergence of the adult in Lepidoptera. Dehiscent: open or standing open: separating toward the tip. Dejectamenta: the excrement or excretion. Delamination: the splitting or division into layers. Deltoid: elongate triangular: resembling a Greek _ with apex extended. Demarcation: the bounding, laying out or limiting. Dendritic: applied to the branched nerve cells in the mushroom bodies of the pro-cerebrum. Dendroid: tree or shrub-like: branching like a tree or shrub. Dendrophagus: feeding on woody tissues. Dendrophilous: species that live in woody tissue, or on trees. Dens: a tooth or tooth-like process. Dense: thickly crowded together. Dentate: toothed: with acute teeth, the sides of which are equal and the tip 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.