What are the customs and origins of summer solar terms? Urgent!

Changxia: On the day of Changxia, the insects buzzed. On the fifth day, the insects came out. On the fifth day, the king melon was born.

Xiaoman: the bitter vegetables are obvious every day, the weeds die on the fifth day, and the summer heat arrives on the fifth day (Mai Qiusheng).

Mango seed: On the day of mango seed, mantis was born. On the fifth day, it began to sing. On the fifth day, its tongue was silent.

Summer solstice: On the day of summer solstice, the antlers were released. On the fifth day, they began to sing. On the fifth day, Pinellia ternata was born.

Xiaoxia: On the day of xiaoxia, it was warm and windy. On the fifth day, crickets lived in the park. On the fifth day, eagles studied.

Great summer heat: On the day of great summer heat, rotten grass becomes weeds, on the fifth day, the soil moistens the summer heat, and on the fifth day, it rains cats and dogs.