Luna Moths are unique species of organisms owing to their remarkable way of communicating sexual. Female Luna moths attract their male counterparts by releasing minute amounts of sexual pheromones, which is detected by the males using their Long antenna and guides him to the female in order for mating to occur.
Based on this, the complete part of the question is in CAPS:
Receptor cells only on the filaments on the ___MALE__ Luna moth’s antennae contain __CELL SURFACE___ molecules that are complementary in __SHAPE___ to __SEX ATTRACTANT___ molecules (sex attractants) produces by the ___FEMALE__ Luna moth.