ecology

13.09580 Morishita's ant, female, adult, worker, side view

The hooked ant is a strange ant that only eats insect eggs!? The mystery of its evolutionary hook-shaped abdomen.

When you hear the word "ant," you might picture a black insect crawling on the ground. However, there are actually many unknown species of ants living underground, and among them, the Hooked Ants and Pterodactylus ants have a very unique shape with a hook-shaped abdomen. Their appearance is...

2024.08.25

animal

What's the difference between Angelica acutiloba and Angelica gigas? We'll explain how to distinguish between similar species! Is the purple color of the flowers due to wasps?!

Both Angelica dahurica and Angelica pubescens belong to the Angelica genus of the Apiaceae family. They are medium to large perennial herbs with thick stems and broad leaves, and are similar in that their leaflets are large and rounded. However, upon closer observation, there are differences in their leaves, flowers, and fruits. However, since there are many species in the Angelica genus, careful distinction is necessary...

2024.06.10

plant

07.2358 Horse Chestnut (Aesculus hippocastanum) upper surface of leaf

What are the differences between horse chestnut trees (Aesculus hippocastanum), European horse chestnut (Aesculus turbinata), red-flowered horse chestnut (Aesculus turbinata), and red-flowered American horse chestnut (Aesculus turbinata)? We explain how to distinguish between similar species.

Horse chestnut (Aesculus hippocastanum), European horse chestnut (Aesculus turbinata), red-flowered horse chestnut (Aesculus turbinata), and red-flowered American horse chestnut (Aesculus turbinata) all belong to the Aesculus genus of the Sapindaceae family. They are characterized by their large, palmately compound leaves and are commonly seen cultivated in parks, as street trees, and garden trees in Japan. Originally, the native Japanese horse chestnut has become associated with the Japanese people...

2024.05.16

plant

What are the differences between Zelkova, Japanese elm, and Japanese elm? An explanation of how to distinguish between similar species.

Zelkova serrata, Japanese elm, and Japanese elm all belong to the elm family. In Japan, they are commonly seen growing wild in forests and are also very commonly cultivated as street trees. All three have beautiful autumn foliage, which can sometimes lead to confusion. Of the three, the zelkova belongs to the genus Zelkova...

2024.05.03

plant

What are the differences between Corydalis ambigua, Corydalis fumariifolia, and Corydalis ambigua? An explanation of how to distinguish between similar species.

Corydalis ambigua, Corydalis fumariifolia, and Corydalis hyemalis all belong to the Corydalis genus of the poppy family. What's interesting about them is that in the spring (April-June) flowering season in forests, their purple to bluish-purple flowers bloom in a spiral pattern facing in all directions. However, their flower shapes and habitats are similar, so they can sometimes be confused...

2024.04.25

plant

What are the differences between common chickweed, green chickweed, and cow chickweed? We'll explain how to distinguish between similar species! There are even differences in their survival strategies!?

Common chickweed, green chickweed, and large chickweed all belong to the genus Stellaria in the family Caryophyllaceae, and are representative Japanese weeds that can almost certainly be found if you observe roadsides. In Japan, they are one of the seven spring herbs and are familiar to people as they are eaten in seven-herb rice porridge. However, these three species are usually referred to simply as "chickweed"...

2024.04.08

plant

What are the differences between Pyracantha coccinea, Pyracantha japonica, and Pyracantha sulphurea? We explain how to distinguish between similar species! Is it a myth that Pyracantha causes sudden death in waxwings?

Pyracantha coccinea, Pyracantha japonica, and Pyracantha serrulata all belong to the genus Pyracantha in the Rosaceae family. They are characterized by their bright red berries that appear in winter and are frequently cultivated for ornamental purposes. In horticulture, however, this group is collectively referred to as "Pyracantha" or "Pyracantha" based on its genus name...

2024.03.26

plant

What are the differences between Lamium amplexicaule, Lamium purpureum, and Lamium album? How do they differ from Lamium album? We'll explain how to distinguish between similar species! Why are the fruits carried by ants?

Lamium amplexicaule, Lamium purpureum, and Lamium purpureum are all herbaceous plants belonging to the genus Lamium in the Lamiaceae family. Lamium amplexicaule and Lamium purpureum are particularly well-known as spring weeds, but some people may have trouble distinguishing between the three species. These three species are relatively easy to identify, and their leaves alone...

2024.03.09

plant

What are the differences between agave and yucca? We'll explain how to distinguish between similar species! Is it a myth that they live for 100 years? Is it a myth that they're used to make tequila?

Agave, agave, Yucca, and Yucca all belong to the Asparagaceae family (formerly known as the Asparagaceae family). They are characterized by their large size, sometimes reaching the height of a child or adult, and their monocotyledonous leaves with parallel veins. Their impressive presence and drought tolerance...

2024.03.08

plant

What are the differences between Eurya japonica, Eurya japonica, and Sakaki? We'll explain how to distinguish between similar species! Do they bloom in early spring because they rely on bees and flies for pollination?

Hisakaki, Hamahisakaki, and Sakaki all belong to the family Cleyera (or Theaceae). Hisakaki and Sakaki, in particular, have been considered "yorishiro" (objects that house divine spirits) in Shintoism since ancient times and have been traditionally cultivated in Japan. However, their similar names may often lead to confusion...

2024.02.20

plant