Definition

Noun: * A species of harvestman, an arachnid belonging to the order Opiliones. It is characterized by a small, oval, fused body (cephalothorax and abdomen appear as a single unit) and extremely long, slender legs. Commonly known as the "harvestman" or "daddy longlegs," it is not a true spider.

Usage

• This term is the scientific binomial name (genus and species) used for precise biological classification.
• It is used in formal, academic, or scientific contexts such as entomology, arachnology, and ecology.
• In everyday conversation, the common names "harvestman" or "daddy longlegs" are almost always used instead.

Examples

• Scientific Context: "The study focused on the population density of in the forest ecosystem."
• Descriptive Context: "Under the microscope, you can clearly see the distinguishing features of ."
• Comparative Context: "Unlike spiders, does not produce silk or venom."

Advanced Usage

• The binomial name is always written in italics. The genus name () is capitalized, while the species epithet () is not.
• After the first use in a text, it can be abbreviated as .

Variants and Related Words

• Harvestman (n): The common name for arachnids in the order Opiliones, including .
• Daddy longlegs (n): A common colloquial name for harvestmen. (Note: This name is also sometimes incorrectly used for cellar spiders and crane flies.)
• Opiliones (n): The scientific order to which belongs.

Synonyms

• Harvestman
• Daddy longlegs (colloquial)

Notes on Meaning

• It is crucial to distinguish (a harvestman) from true spiders (order Araneae). Key differences include:
  • Body: Harvestmen have a fused, oval body; spiders have a two-part body (cephalothorax and abdomen separated by a waist).
  • Silk/Venom: Harvestmen lack silk glands and venom glands.
  • Diet: They are primarily scavengers or omnivores, while spiders are almost exclusively predators.

Noun

1. spiderlike arachnid with a small rounded body and very long thin legs