User:Open2universe/Orphaned Lepidoptera B
- Bactropaltis
- Bagdadia
- Balaca
- Balbura
- Balionebris
- Baritius
- Baroa
- Barsinella
- Barticeja
- Baryzancla
- Batenia
- Bebearia (Bebearis) laetitia laetitia
- Bebearia (Bebearis) laetitia vesta
- Belemnia
- Belenois
- Belovalva
- Bernathonomus
- Bertholdia
- Besciva
- Bifascioides
- Binna
- Birgorima
- Bitecta
- Biturix
- Blabioides
- Blastovalva
- Blavia
- Boadicea
- Boenasa
- Bolbia boloba
- Brachiosia
- Brachyzancla
- Bryantia
- Brycea
- Bubaloceras
- Bucolarcha
- Bunaeinae