1. Slender insect with delicate membranous wings having an aquatic larval stage and terrestrial adult stage usually lasting less than two days
   - mayfly, shadfly

Derived forms: dayflies

Type of: ephemerid, ephemeropteran

Part of: Ephemeridae, family Ephemeridae

Encyclopedia: Dayfly

• kok-saghyz
• pyknosis
• pyknotic
• Pyle
• Pylodictus
• Pylodictus olivaris
• pylon
• pyloric
• pyloric sphincter
• pyloric stenosis
• pyloric valve
• pyloric vein
• pylorus
• Pynchon
• pyocyanase
• pyocyanin
• pyogenic
• Pyongyang
• pyorrhea
• pyorrhea alveolaris
• pyorrhoea
• Pyotr Alexeyevich Kropotkin
• Pyotr Ilych Tchaikovsky
• Pyotr Tchaikovsky
• pyracanth