Download Encyclopedia of Insects by Vincent H. Resh, Ring T. Cardé PDF

By Vincent H. Resh, Ring T. Cardé

My husband was once happy to obtain this ebook for Christmas. He has loved examining much less technical books on bugs some time past. i used to be in the beginning disenchanted simply because there are only a few colour pictures within the booklet. except that, it's very thorough and my husband has the heritage to appreciate and take pleasure in the data provided. it's a very huge, heavy booklet and never in any respect sensible as a box consultant.

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Sperm Delivery Males of many insects use spermatophores to transfer sperm to females. A spermatophore is a bundle of sperm contained in a protective packet. Accessory glands secrete the structural proteins necessary for the spermatophore’s construction. Males of the yellow mealworm, Tenebrio molitor, have two distinct accessory glands, one bean-shaped and the other tubular (Fig. 1). Bean-shaped accessory glands contain cells of at least seven types and produce a semisolid material that forms the wall and core of the spermatophore.

F. (1992). ” Saunders College Publishers and Harcourt Brace College Publishers, Philadelphia and Fort Worth. DeBach, P. (1964). ” Reinhold, New York. Evans, H. E. (1984). ” AddisonWesley, Reading, MA. Huffaker, C. , and Gutierrez, A. P. (1999). ” Wiley, New York. Jones, D. P. (1973). Agricultural entomology. In “History of Entomology” (R. F. Smith, T. E. Mittler, and C. N. ), pp. 307–332. Annual Reviews, Palo Alto, CA. Norris, R. , Caswell-Chen, E. , and Kogan, M. (2003). ” Prentice Hall, Upper Saddle River, NJ.

The study of host selection behavior often leads to the identification of kairomones, equally important in IPM development. PHENOLOGY The life cycle of different insect species varies greatly, although all insects undergo the basic stages of development from egg to reproductive adult (or imago). Depending on the length of the life cycle, there is considerable variation in the number of generations per year, a phenomenon called voltinism. A univoltine species has one generation per year; a multivoltine species may have many generations per year.

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