By I. Lobl, A. Smetana
This is often the 6th quantity of a entire sequence which covers approximately 100,000 species of Coleoptera identified to take place within the Palaearctic quarter. the knowledge supplied for every species is as follows: fundamental taxonomic details of all to be had names within the genus and species degrees released by way of the top of 1999; the taxonomic info lower than subfamily, prepared alphabetically; and the sort species of genera and subgenera, together with synonyms. Distributional info of species and subspecies is given according to nation. particular distributional info for strict endemics is supplied, and brought species are indicated. The sequence is a collective paintings of approximately 100 coleopterists from Europe, Japan, the United States, and Australia.
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Extra resources for Catalogue of Palaearctic Coleoptera, Vol. 6: Chrysomeloidea
4 CoMFA electrostatic and steric field contour plots for DAH toxicity toward C. suppressalis, S. exigua, and L. decemlineata. The diacylhydrazine with X = 2-Cl and Y = 2,3-di-Cl is depicted. Green/yellow polyhedra represent sterically-favored/disfavored regions; blue/red polyhedra represent regions where positive charge is favored/disfavored (Reproduced with the permission of Wiley-VCH Verlag GmbH & Co. KGaA) (see also page 489) Fig. 5 CoMFA hydrogen-bond field contour plots for toxicity toward C.
Side-chain epoxide groups) appear to be unique to fungi. It is currently not clear if fungi possess the ability to generate ecdysteroids from sterols, or whether they take in phytoecdysteroids from their substratum and modify them. a OH OH OH OH OH OH 29C 28C 27C HO HO HO OH OH OH HO HO HO OH OH OH H O H O Makisterone C Makisterone A H O 20-Hydroxyecdysone O 24C O HO O 21C HO OH HO H O Sidisterone O HO OH HO 19C OH HO H O Poststerone H O Rubrosterone Fig. 1 Summary of the diversity of phytoecdysteroid structures, show examples of variety in steroids (panel a) 10 L.
Phytoecdysteroid-containing extracts were positive in the agonist bioassay and in the immunoassays. g. org), which permits one, with significant certainty, to identify the species which contain (i) phytoecdysteroids (agonist bioassay positive, RIA-positive; 5–6% of species based on seed extracts), (ii) ecdysteroid antagonists (antagonist bioassay positive, RIA-negative; 2% of species), or (iii) non-steroidal agonists (agonist bioassay positive, RIA-negative; very rare), and to use the data to consider the taxonomic significance of the distribution of ecdysteroid agonists/antagonists.