June 2022 | Ecological Notes Web

What are the species of moths in the family Zygaenidae? Are they poisonous? Are they harmful? What is the purpose of their bright colors?

The Zygae family, exemplified by species like the firefly moth and the bamboo grass moth, is known for its bright, diurnal colors. But do you know why they have such striking colors? It turns out they possess a powerful poison that produces cyanide, and these colors serve as a "warning signal"...

2022.06.28

animal

ヤマツツジとレンゲツツジの違いは？似た種類の見分け方を解説！蝶を呼ぶことに特化したはずの花にはマルハナバチも不可欠だったことが研究で判明！

ヤマツツジは日本の野生ツツジの代表種で、レンゲツツジは毒性がある種類として有名です。いずれもツツジ科ツツジ属で、赤い野生のツツジとして代表的な種類のため、迷うことがあるかもしれませんが、葉の形の花の付き方を確認すれば区別できます。これら2種...

2022.06.21

plant

What kind of dragonfly is a "red dragonfly"? Why does it turn red? Why does the common skimmer dragonfly turn blue? Two scientific reasons have been revealed. It turns out it's actually "sunscreen"!?

The "red dragonfly" is a creature so familiar to Japanese people that it even has its own children's song. The group commonly referred to as "red dragonfly" is a general term for dragonflies whose males turn red. Taxonomically, it's not a single group but rather a collective term for several separate groups, such as the Sympetrum and Scarlet Skimmer genera.

2022.06.17

animal

What are the differences between buckwheat (soba), Tartary buckwheat (Tartary buckwheat), and Shakuchiri buckwheat (Shakuchiri buckwheat)? We explain how to distinguish between similar varieties! Is buckwheat's origin in mountainous regions? Why do Japanese people eat it as noodles? Are honeybees the only insects that visit its flowers?

Buckwheat, Tartary buckwheat, and Japanese buckwheat are all species that can be found in Japan, either cultivated or naturalized. Buckwheat, in particular, is indispensable to Japanese people as a noodle dish, but few people can distinguish between these three species as plants. These three species differ in the way their flowers grow, the shape of their fruits, etc.

2022.06.14

plant