By I. Lobl, A. Smetana
This can be the 6th quantity of a finished sequence which covers approximately 100,000 species of Coleoptera identified to ensue within the Palaearctic sector. the knowledge supplied for every species is as follows: basic taxonomic details of all to be had names within the genus and species degrees released by means of the top of 1999; the taxonomic info less than subfamily, geared up alphabetically; and the kind species of genera and subgenera, together with synonyms. Distributional information of species and subspecies is given according to nation. distinct 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 USA, and Australia.
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Additional resources for Catalogue of Palaearctic Coleoptera, Vol. 6: Chrysomeloidea
Parasitoids and hyperparasitoids were studied in North America by Shands et al. (1965) and Sullivan and van den Bosch (1971). Myzus persicae (peach–potato aphid) Myzus persicae is an exceptional species in many respects; cosmopolitan, extremely polyphagous, highly efficient as a virus vector, and with a great range of genetically-based variability in properties such as colour, life cycle, host-plant relationships, and methods of resisting insecticides. Adult apterous parthenogenetic females of M.
They have not, however, been used for aphids, or most other insect groups of agricultural importance, nor have they been accommodated into the Zoological Code of Nomenclature. On further reflection, it seems unrealistic to expect the wide acceptance and use in aphid taxonomy or agricultural entomology of the term semispecies and, even if it were accepted, that would still not resolve the problem of nomenclature. Rakauskas (2004) has recently revived Müller’s (1986) proposal for a broader use of the subspecies category to validate its application to aphid species complexes, and – of particular relevance to the present chapter – to meet the practical need of providing names that identify intraspecific categories in groups that include pest species.
Eastop on the length relationships between body parts (allometry), which can play havoc with the morphometric ratios and functions often used to discriminate between closely related species (Blackman and Spence, 1994). Thus, it is important to take into account the possible effects of season, host plant, and climate when examining samples of field-collected aphids. It is also necessary to bear in mind that a sample might consist of a single clone, especially if it comes from a warm temperate or subtropical region where the population has not gone through a sexual phase and is therefore more likely to be clonally structured.