abdomen:  the elongated portion of the body of an arthropod, located behind the thorax. It is usually segmented.

Aquatic: living or growing in water

cerci:  either of two sensory appendages at the end of the abdomen of the female mosquito and other insects

compound eye:  the eye that most insects and some crustaceans have, made up of several separate light-sensitive parts

conical:  shaped like a cone

Elongated: lengthened or stretched out

Elytra: a tough front wing, occurring in pairs on beetles and some other insects, that acts as a protective covering for the rear wings.

exoskeleton:  a hard covering on the outside of many organisms such as crustaceans, insects, turtles, and armadillos that provides support and protection

Forceps: a body part that is shaped or works like pincers, such as the grasping parts of some insects

furcula:  A forked part or bone, such as the wishbone of a bird

filiform:  long, thin, and fine like a thread

genal comb:  flea mouth structure, a row of very heavy spines on the front of the head

globular:  having the shape of a ball or globule

herbivorous:  eating only or mainly grass or other plants, or relating to the eating of such plants

hypognathous:  having a congenitally underdeveloped lower jaw

mandibulate: anatomy the lower jaw of a person or animal, usually containing a single bone

Membranous: relating to or similar to a membrane, especially in being thin, pliable, and often translucent

metamorphosis: a complete or marked change of physical form, structure, or substance

nymph:  the larva of some insects, for example, the mayfly, dragonfly, and grasshopper, that resembles the adult and develops into the adult insect directly, without passing through the intermediate pupa stage

ommatidia:  One of the single eyes forming the compound eyes of crustaceans, insects, and other invertebrates.

omnivorous:  eating any kind or many different kinds of food, including both plants and animals

ovipositor:  a tubular organ at the end of the abdomen of some female fish or animals, especially insects, that is used to deposit eggs

pronotom: shield-like cover of the prothorax

prothorax:  the anterior division of the thorax of an insect, bearing the first pair of legs.

styliform appendages:  long, thin, and pointed; like a bristle; body parts or organs; like a tail, wing, or fin; that projects from the main part of the body

tarsi:  the part of the leg of an arthropod that is furthest from the tibia

thorax:  the middle division of the body of an insect, crustacean, or arachnid
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