Binomial Nomenclature
Definition
The two-part Latin naming system established by Linnaeus: genus name followed by species epithet. Used in all scientific and forensic botanical reports to ensure unambiguous identification regardless of common name variation.
- Format
- Genus + specific epithet, always italicized, in Latin
- Purpose in forensics
- Removes ambiguity from common names to ensure correct species identification in reports
Common questions
Why do scientists use binomial nomenclature instead of common names?+
Common names for insects and plants vary wildly by region and language. Binomial nomenclature, the two-part Latin naming system, gives every species a single, universally recognized scientific name. In forensic reports especially, this prevents confusion when the same insect is called by different names in different countries.
What are the two parts of a binomial name?+
The first part is the genus (capitalized), and the second is the specific epithet or species name (lowercase). Together, written in italics, they make the full scientific name. For example, in Lucilia sericata, Lucilia is the genus and sericata is the specific epithet.
Who developed binomial nomenclature?+
Linnaeus introduced this two-part Latin naming system and established it as the standard for scientific classification. It's been adopted across forensic entomology, botany, and all life sciences to ensure unambiguous identification.
Related terms
- Accumulated Degree Hours (ADH)
- A temperature-corrected measure of developmental time. Calculated by summing (hourly ambient temperature minus the species-specific base temperature threshold) across the period of...
- Dichotomous Key
- A botanical identification tool presenting paired contrasting descriptions at each step. The user selects the description matching the specimen and follows the...
- Flora
- A systematic account of all plant species in a defined geographic area, with identification keys, descriptions, and distribution information. Examples include Flora...
- Hemimetabolous
- A developmental pattern with three stages (egg, nymph, adult) and no pupal stage. Nymphs resemble small adults and moult repeatedly. Cockroaches and...
- Holometabolous
- A developmental pattern with four distinct stages (egg, larva, pupa, adult) and a complete metamorphosis inside the pupal case. Flies, beetles, and...
- Instar
- A developmental stage between moults (ecdysis). Blow flies have three larval instars (L1, L2, L3), each ending when the larva sheds its...
- Monograph
- A taxonomic treatment of a single genus or family across its entire global range, providing more depth than a regional flora on...
- Spiracle
- An external respiratory opening on the insect body wall. The morphology of the posterior spiracles is a primary character for identifying fly...
- Taxon
- Any named group in the classification hierarchy, from kingdom to subspecies. In forensic botany the most relevant levels are family, genus, and...
- Type Specimen
- The actual specimen on which the original scientific description of a species was based. Held in a herbarium, it is the reference...
Explained in these topics
- Insect Biology and Taxonomy for the Forensic EntomologistThe two-part Latin naming system introduced by Linnaeus. A species name is genus plus specific epithet, e.g. Lucilia sericata. Species names are italicised in...
- Plant Systematics and Taxonomic KeysThe two-part Latin naming system established by Linnaeus: genus name followed by species epithet. Used in all scientific and forensic botanical reports to ensu...