Melissodes rivalis - Long-horned Bee

  • Melissodes sp. are long-horned bees commonly called “Callirhoe” or “Sunflower” bees, due to their observed foraging habits.
  • Bees of this genus range throughout North America, and typically nest in the ground.
  • Female Melissodes sp. have dense scopal hairs on their hind tibia for pollen transport.


Melissodes rivalis, callirhoe bee, long horned bee, sunflower bee
Taxonomic Name: 
Melissodes rivalis
Common Name: 
Long-horned Bee