Meanings of black antennae in English

These objects were slipping inertly by or moving along, waving pairs of black antennae.

It is a long, dark-blue or black insect with long orange legs, long black antennae and a protruding ovipositor at the tail.

Vic Health advises that paper wasps are longer and thinner than European wasps and have orange-brown antennae; European wasps have all black antennae.