Birch sawfly 
Birch shieldbug 
Birch Tubemaker Moth 
Bird cherry-oat aphid 
Bird Dropping Lichen Moth 
Bird Dung Spider 
Bird Nest carpet beetle 
Bird-cherry ermine 
Birnara 
Birthama rubicunda 
Bisected Honey Locust Moth 
Bishop's Head Gumtree Gall 
Bishop's Mitre 
Bismarck Rhinoceros Beetle 
Biston bengaliaria 
Biston insularis 
Biston perclara 
Biston pustulata 
Biston subflavus 
Bitecta diastropha 
Bitias Hairstreak 
Biting Jumping Spider 
Bitoma crenata 
Bitter-bush Blue