Posts Tagged: sexual dimorphism
The Bohart Museum of Entomology at the University of California, Davis, stocks a "Got Milkweed?"...
A male Valley carpenter bee, Xylocopa varipuncta (aka "teddy bear bee"), heads for the showy milkweed, Asclepias speciosa. A honey bee is already there. (Photo by Kathy Keatley Garvey)
Three's a crowd? That's how many bees are on this milkweed. One carpenter bee and two honey bees. (Photo by Kathy Keatley Garvey)
Close-up of the male Valley carpenter bee's tongue or proboscis. (Photo by Kathy Keatley Garvey)
A female Valley carpenter bee arrives to take her share. The male of this species is a green-eyed blond (a clear case of of sexual dimorphism). (Photo by Kathy Keatley Garvey)