Order Opiliones

• Phylum: Arthropoda

  Subphylum: Chelicerata

  Class: Arachnida

  Order: Opiliones

  Family: Pholcidae

  Genus: Leiobunum

  Species Name: Leiobunum rotundum

  Common Name: Harvestmen or Daddy Long Legs (Cellar Spiders)

  A) opisthosoma

  B) Prosoma

  C) Appendages

  
• Most often found in open, warm habitats including gardens, grassland, sand-dunes, brownfield sites, hedgerows, and open woodland.
• Body is elliptical in shape. Have two eyes located on central knob
• The second pair of legs are usually used for sensory functions.
• Legs cannot be regenerated.
• Possesses scent glands in the front part of the body
• The prosoma and opisthosoma is broadly jointed with no constriction.
• Repugnatorial glands: secretions often quinones and phenols having an acrid odor
• Abdomen is externally segmented and they are typically predators or scavengers.
• Excretory system through a pair of coxal glands
• Respiratory through the trachea.