Termites as Pests of Buildings

摘要: Of the more than 2,300 termite species in world, 183 are known to damage buildings and 83 cause significant damage. Subterranean termites, including mound building arboreal species, account for 147 (80%) of economically important species. The genus Coptotermes contains largest number pest (28), whereas Cryptotermes, especially Cr. brevis, is most widely introduced. world-wide economic impact figure termites uncertain, but control cost pests United States was estimated at $1.5 billion annually 1994. Because differences their life histories, measures differ between subterranean drywood Insecticide barriers used exclusion soil-borne slow-acting baits population colonies near structures. Whole-structure treatments (fumigation heat), compartmental (heat or cold), local (wood surface insecticide injection) primary tools control.