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By Gary J. Blomquist, Richard G. Vogt

A worthy new reference on insect habit, this unprecedented new textual content delves into the first sensory communique procedure utilized by such a lot bugs -- their feel of odor. this crucial textual content covers how bugs produce pheromones and the way they observe pheromones and plant volatiles. considering bugs depend on pheromone detection for either feeding and breeding, a greater realizing of insect olfaction and pheromone biosynthesis may well support slash the habit of pests with no using damaging insecticides or even aid to lessen the socio-economic affects linked to human-insect interactions. * Covers biochemistry and molecular biology of insect pheromone creation* Explains pheromone creation in moths, beetles, flies, and social bugs* Describes pheromone and plant unstable reception

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Additional info for Insect Pheromone Biochemistry and Molecular Biology: The Biosynthesis and Detection of Pheromones and Plant Volatiles

Sample text

The pheromone gland of males can exist as wing glands, brush organs at the ventral junction of the femur and tibia of the hind leg as in the geometriid moth Semiothisis eleonora (Percy and Weatherston, 1974), thoracic scent brushes, or as gland cells on the genital appendage such as in Eldana saccharina (Atkinson, 1982). The scales associated with the pheromone-producing cells are accessory structures that aid in the dissemination of pheromone. These scales have very intricate surface topography.

The largest order in the Class Insecta, the Coleoptera, has over a quarter of a million described species. Sex pheromone glands have been described in almost every part of the body. The diversity of the location of the sex pheromone gland in Coleoptera can be seen in the scarab beetles. In the scarabeids such as the melolonthine beetle, Holotrichia parallela, the sex pheromone gland is located in a ball-shaped sac. Although these authors did not study the ultrastructure of the pheromone gland cells, based on the micrographs of the section through the pheromone gland, we interpret that the columnar epithelium are Class I gland cells, as an obvious end apparatus is not present.

The gland comprises a single layer of columnar epithelial cells that rest on a basement membrane, and is internally lined with endocuticle. Biology and ultrastructure of sex pheromone-producing tissue 25 Class 11 oenocytes produce hydrocarbons in grasshoppers (Diehl, 1975); other than its involvement in waterproofing the cuticle and the ootheca, the role of hydrocarbons in the sexual behavior of the grasshopper is not known, unlike in some arctiids, cockroaches, and flies (Schal et al, 1998 a or b).

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