Explanation of Terms Used in Entomology - BestLightNovel.com
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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; dest.i.tute of scales or hair.
Denude: to free from covering; to rub so as to remove the surface covering of scales, hair or other vest.i.ture.
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 forc.i.p.ate; metamorphosis incomplete: the Forficulidae or earwigs.
Desectus: = truncatus.
Desideratum -ata: some thing or things needed or desired.
Dest.i.tutus: 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 prefix, = two.
Diaphanous: semi-transparent; clear.
Diaphragm: any thin dividing membrane; that thin membrane separating the cavity containing the heart from the rest of the body.
Diarthrosis: any articulation that permits of motion.
Diastole: that regular expansion of the heart that draws the blood inward: see systole.
Dichaetae: a group of brachycerous Diptera with a proboscis consisting of two parts: Muscids, etc.
