On the head, internal to the base of antennae , 2 white spots are present called
fenestra
Ocellar
Ommatidia
More than one
Fenestra -
On the head, internal to the base of antennae, 2 white spots are present called fenestra or ocellar spots.
- wherein
They work as photorecpetors. Near the ocellar spot, two antennae are present.
Correct option is 4