Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 891(ARTHRO: Insecta) The fused tarsal segment and claw ofmany coleopteran larvae.tarsus n. [Gr. tarsos, sole of foot] 1. The foot. 2. (ARTHRO) Themost distal part of the leg, immediately beyond the tibia,usually subdivided into two to five segments, bearing theclaws and pulvilli.taste bud (ARTHRO: Insecta) In Lepidoptera, specialized tastecells located on the tarsi.tautonym n. [Gr. tautos, the same; onyma, name] In the binomialsystem, the same name given to a genus and oneof its species or subspecies.taxis n.; pl. taxes [Gr. taxis, arrangement] Movement of amotile animal in response to a source of stimulation. a.Positive taxis : toward the stimulus. b. Negative taxis :Away from the stimulus.taxodont a. [Gr. taxis, arrangement; odon, tooth] (MOLL: Bivalvia)With many short interlocking teeth, some or alltransverse to the hinge margin; similar to prionodont.taxometrics see numerical taxonomytaxon n.; pl. taxa [Gr. taxis, arrangement] Any taxonomicgroup sufficiently distinct to merit being distinguished byname, i.e., phylum, class, order, etc.taxon cycle A cycle of expansion and contraction of the geographicrange and population density of a species or highertaxonomic category.taxonomic a. [Gr. taxis, arrangement; nomos, law] Pertainingto the classification of organisms.taxonomist n. [Gr. taxis, arrangement; nomos, law] One whostudies the theory and practice of classifying organisms.taxonomy n. [Gr. taxis, arrangement; nomos, law] The studyof the theory, procedure, and rules of classification of organisms,based on similarities and differences. see classicaltaxonomy, cytotaxonomy, numerical taxonomy,experimental taxonomy, classification, systematics.tectiform a. [L. tectum, roof; forma, shape] Roof-like; sloping.tectostracum see cerotegument