Key to families and genera of the Japanese bees with images
Japanese page is here
Key to the Family-Group of the Japanese Bees, Based on Adult Females
Key to genera of Japanese bees
Key to genera of the Japanese Colletidae
Key to genera of the Japanese Andrenidae
Key to genera of the Japanese Halictidae
Key to genera of the Japanese Melittidae
Key to genera of the Japanese Megachilidae
Key to genera of the Japanese Apidae