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Glossaryaggregating pheromone - chemical compound released by an insect (male or female) to attract others of its species. generation time - the time it takes for an organism to develop from egg to reproductive adult. host specific - one species (i. e. the Jeffrey pine beetle) lives on or within another specific species (i. e. the Jeffrey pine). inner bark - the living part of the bark, located closest to the sapwood. insectivorous - an organism which feeds on insects. life history - the combined activities and requirements of a species throughout its life, including patterns of development, environmental or habitat requirements. mating strategies, predators and their avoidance, etc. limiting resource - an essential material required by an organism such that limited quantities of the material limit the ability of the organism to successfully complete its life cycle and reproduce. niche - the place where an organism lives, including habitat, food resources, nesting resources, behavioral patterns of the organism, and a variety of other resources that are species specific. phloem - food conducting tissues of trees. predaceous - an organism that feeds on other living organisms. sapwood - the living, outer, lighter colored, part of the tree trunk that conducts water through the tree. |