#4 In addition, this beetle can secrete a toxic yellow liquid with an unpleasant odor.

Its sharp, specific smell drives away enemies.
#5 The liquid is released at the moment of danger from the joints of the insect’s legs.

An interesting fact - a ladybug, feeling a threat to her life, can pretend that she is dead.
#6 Want to know what ladybugs are?

Different colors. The younger the individual, the richer its color. With age, the color of their wings becomes duller.