804.11n
two antennae which is a pair of antennaes
it has two antennae
A honey bee has two antennae.
Bess beetles have two antennae.
Antenna is singular - a car has a radio antenna. Antennae is plural - insects have two antennae.
802.11n
Lobsters, like all crustaceans, have two pairs of antennae.
Two
They do
Insecta
Two
A bug typically has six legs and two antennae.