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| in the insect eye, the cells which surround each ommatidium and protect it from scattered light. |
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| an organ which attaches to the uterus, and in which the embryo develops |
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| having to do with the lungs. |
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| an organism which attacks, kills and devours its prey. |
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| an organism which is fed upon by a predator. |
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| in Lepidoptera, outcroppings of the exoskeleton along the abdomen that help the caterpillar grasp onto plant surfaces. Not true legs. |
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| movement toward the midline of the body. |
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| the process of breaking down proteins into amino acids. |
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| a musculated part of the digestive system which is responsible for chewing and grinding food. |
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| in Greek mythology, a beautiful mortal woman who attained the state of a goddess and whose symbol is the butterfly. |
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| referring to the irregular rate of evolutionary change, with long periods of slow change, interrupted by bursts of rapid speciation. |
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| the transformation stage of the holometabolous orders, in between larva and adult. |
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| in the human eye, the aperture that regulates the amount of light by opening and closing. |
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| a class of insecticides which interfere with the nerve impulse across the axon. |
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| the basis for how well an organismal group is performing on Earth. |
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| referring to an allele which cannot be expressed in the presence of a dominant allele. |
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| posterior part of the excretory system, which eliminates waste from the insect's body. |
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| In an insect or mite population, the increase in frequency of alleles which can detoxify an insecticide or miticide. |
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| in the human eye, the membrane at the back of the eye imbedded with light sensitive cells. |
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| in the insect, the light receptive cell within an ommatidium. |
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| the snout-like arrangement of the mouthparts in some insects such as the Hemiptera or mosquitoes. See proboscis. |
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| a groove formed by the mandibles and maxillae through which saliva is injected into the host. |
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| in insects or humans, organs that secret initial digestive enzymes. |
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| the two part Latin name of a species. |
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| a process to answer a question, involving an experiment. |
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| In some Hymenoptera, a life cycle in which the mated queen is the only member of the colony which overwinters. |
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| Sensilla (sensory appendage) |
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| a sense organ which consists of cuticle. |
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| the presence of bacteria in the blood. |
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| female selection of a mate based on physical characteristics or ability. This leads to differences in characteristics between males and females. Also known as female choice. |
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| referring to the lepidopteran mouthparts, consisting of paired coiled tubes which are inserted into flowers to feed on nectar. |
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| living alone. Solitary organisms meet with members of their own species solely for purposes of mating. |
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| cells of a body which are not involved in reproduction. |
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| groups of organisms that are reproductively isolated from other such groups. Species is singular and plural, and "spp." is the abbreviation for species plural. |
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| part of the insect female reproductive system, an organ which stores sperm. |
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| a gelatinous substance produced by the male accessory gland in insects, which protects the sperm during copulation. |
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| an appendage on the posterior end of spiders, from which silk is spun. Spiders have from four to eight. |
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| a chemical derived from the bacterium Saccharopolyspora spinosa, and used as an insecticide. |
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| an opening in the insect's integument that allows for gas exchange between the insects body and its surrounding environment. |
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| a single celled microorganism which has properties of both bacteria and viruses. |
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| the belief that organisms arise from dead, decaying or waste matter. |
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| the process of making a noise by rubbing two rough surfaces together. Many Orthoptera stridulate by rubbing two legs or a leg and a wing together. |
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| the needle-like modification of the mandibles and maxillae, used for piercing and sucking in insects such as the Hemiptera and mosquitoes. |
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| Movement toward the outside of the body. |
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| Surface area to volume ratio |
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| the two dimensional measure on an insect relative to the three dimensional measure within. |
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| the cohesive forces between molecules that allow a liquid to resist an external force. |
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| "living together." A symbiotic relationship involves two species, which may be mutually beneficial, positive to one and negative to the other, or positive to one and neutral to the other. |
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