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Manduca quinquemaculata, the five-spotted hawkmoth, is a brown and gray hawk moth of the family Sphingidae. The caterpillar , often referred to as the tomato hornworm , can be a major pest in gardens; they get their name from a dark projection on their posterior end and their use of tomatoes as host plants.
A pioneering system of plant taxonomy, Linnaeus's Systema Naturae, Leiden, 1735. This list of systems of plant taxonomy presents "taxonomic systems" used in plant classification. A taxonomic system is a coherent whole of taxonomic judgments on circumscription and placement of the considered taxa. It is only a "system" if it is applied to a ...
Manduca is a genus of moths in the family Sphingidae, the hawkmoths. The genus is used as a model in the biological sciences. The tobacco hornworm ( Manduca sexta ) and the tomato hornworm ( M. quinquemaculata ) in particular have been well studied. [ 1 ]
Tobacco hornworms (Manduca sexta) detoxify and rapidly excrete nicotine, as do several other related sphinx moths in the subfamilies Sphinginae and Macroglossinae, but members of the Smerinthinae that were tested are susceptible. [12] The species that are able to tolerate the toxin do not sequester it in their tissues; 98% was excreted.
Three goals of plant taxonomy are the identification, classification and description of plants. The distinction between these three goals is important and often overlooked. Plant identification is a determination of the identity of an unknown plant by comparison with previously collected specimens or with the aid of books or identification manuals.
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Classification is the process in which ideas and objects are recognized, differentiated, and understood, and classification charts are intended to help create and eventually visualize the outcome. According to Brinton "in a classification chart the facts, data etc. are arranged so that the place of each in relation to all others is readily seen.
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