ttle diluted.

Erythrinus: deep brick-red, tending to blood-red [vermilion with a little
Indian red].

Escutcheon: the scutellum in Coleoptera.

Essential character: see specific character.

Ethology: see ecology.

Eucephalous: with a well-developed head, bearing the normal
appendages: applied to certain dipterous larvae.

Eucone: a compound eye in which the individual ocelli have
crystalline cones see acone.

Euorthoptera: the Orthoptera excluding the Dermaptera.

Euplexoptera: with beautifully folded wings: an ordinal term applied
to the ear-wigs.

Eous or -eus: as a suffix, indicates the possession of the quality of the
stem word: e.g. membraneous, like a membrane in texture.

Eutracheata: applied to articulates which, like the insects, have a
well-developed tracheal system.

Evaginate: extruded by eversion; turned inside out when extruded.

Evagination: an extrusion formed by eversion or turning inside out.

Evanescent: disappearing; becoming gradually less.

Eversible: capable of being turned inside out.

Evident: easily seen or recognized.

Ex: prefix = A and E as privatives: also means from or out of.

Exarate -us: sulcated: sculptured.

Exarticulate: without distinct joints.

Exasperate -us: rough with irregular elevations.

Excalcarate: without spurs.

Excaudate: see ecaudate.

Excavate: with a depression that is not the segment of a circle.

Excentric: not in the centre; revolving or arranged about a point that
is not central.

Excision: with a deep cut: a notch or other cut-out part.

Excrementaceous -titious: made up of or resembling excrement.

Excrescence: an outgrowth or elevation; usually abnormal.

Excretion: the act of getting rid of waste products: any material or
substance produced by any secretory glands or structures and which
is voided or otherwise sent out from them.

Excretory: those structures concerned in ridding the body of waste
products.

Excurrent: attenuate, narrowly prolonged.

Excurved: curved outwards.

Ex larva: from or out of the larva: usually applied to specimens that
have been bred from collected larvae.

Exochorion: that part of the chorion derived from the ectoderm: the
outer layer of the chorion.

Exochorium: Heteroptera; a narrow marginal part of the hemelytra.

Exoderm: the outer skin or crust.

Exoloma: the apical margin of the wings.

Exophytic: relating to the outside of plant tissue.

Exoskeleton: the entire body wall, to t