Käyttäjän harumkoh päiväkirja

People like white sand beach usually, don't like muddy beach. But sand beach is almost empty. Muddy beach is full of sea animals and weeds. It's good place to spend low tide hours. :)

立秋(start of autumn) is one of solar term. (https://en.wikipedia.org/wiki/Solar_term)
Longitude of sun 135°.
Getting cooler. Tsukutsukuboushi(Meimuna opalifera) start singing. Grasshoppers get adult. Butterflies, dragonflies, beetles, cicadas, are still active.

Look at these two photos.

Old world swallowtail:
color: yellow.
pattern: around shoulder is blackkish yellow.

Asian swallowtail:
color: faded yellow.
pattern: around shoulder is black stripes.