Once our members, always our members.

Principal Investigator

Kazuharu Ohashi

Assistant Professor  2004 – Present

Email: kohashi (at) 

  • Cognitive abilities of pollinators and their effects on the evolution of floral phenotypes
  • Consequences of floral trait combinations for male/female fitness through changes in pollinator behavior
  • The evolution of floral phenotypes in multispecies interactions


Kohei Terada            

Evaluation of different pollinator groups from the perspective of pollen-species composition on their bodies


Minori Okubo

Confounding effect of tube length and petal size on foraging rate of bumble bees

Kentaro Takagi

Saori Miyazaki

Marie Yamaguchi

Effects of spatial arrangement of plant species on floral constancy in bumble bees

How does color-scent phenotype affect competition and facilitation among flower species in bumble-bee attraction?

How does floral morphology affect the likelihood of heterospecific pollen deposition at pollinator visits?


Maika Uehara

Exploring aspects of floral display that enhance visual detection by pollinators


Sota Anazawa

Ayumu Tanaka

in preparation

in preparation

Other Universities

Nina Jirgal (Univ. Manchester)

Effects of flower orientation and symmetry on the approach consistency of bumble bees

Alumnae & Alumni (but still our members!)

Yukine Kawamura

Relationship between floral color aspects and pollinator attraction in floral color-changing plants    collaboration continuing

If you want to go fast, go alone.

If you want to go far, go together.


African proverb