Blue-bottles, [511]

Bogus Yucca-moth, [433]

Boletophila luminosa, [463]

Boll-worm, [416]

Bombardier-beetles, [201]

Bombus, [53] f.;

insect in nest of, [221];

fleas in nests of, [525];

parasite of, [94], [497];

proboscis of, [13] f., [14];