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13.30384 Firefly moth, female, adult animal

A thorough explanation of the species, toxins, and harmful effects of moths in the Zygaenidae family! What secrets are hidden behind their vibrant 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
13.00788 Scarlet Skimmer (male, adult) animal

Why are red dragonflies red, and why are common skimmer dragonflies blue? The surprising scientific reason and the truth that it's "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
13.19339 *Peach-legged Longhorn Beetle* (male, adult) Edited animal

Why are the thighs of the longhorn beetle *Thumbelina japonica* so thick? A surprising evolutionary adaptation for subduing females and the truth about "sexual conflict."

Are you familiar with the insect known as the "peach-thicked longhorn beetle"? It gathers on flowers from spring to early summer and is one of the most commonly found insects in Honshu, belonging to the family Cerambycidae. Its most distinctive feature is its thick hind legs. I wondered why this was the case...
2022.06.09
animal
13.01121 Spiny grasshopper (adult) animal

A miraculous insect that repels frogs? The reason why the spiny grasshopper uses "playing dead" and "spines"

Are you familiar with the grasshopper known as the spiny grasshopper? It's a relatively common creature in Honshu, especially in rice paddies. Surprisingly, this species has been found to protect itself from predation by frogs through a combination of two mechanisms: spines on its body and a behavior called feigning death...
2022.06.02
animal
11.2000 *Yukatayamashirogumo* (a type of spider), female, adult. animal

The rare spider *Euphyllia japonica*, which preys on its victims by spinning silk from its mouth, can be found in your home!

When you imagine a spider, how do you picture it producing silk? A common misconception is that it produces silk from its mouth. In reality, spiders have organs called "spinnerets" on their abdomen from which they produce silk. Spiders typically don't produce silk from their mouths...
2022.05.26
animal
Bipalium Kewense Adult Whole Shape In Hyogo Prefecture Japan animal

[First domestic record] The mysterious invasive planarian "Bipalium biparietum" discovered in Hyogo Prefecture! Explanation of the discovery process and ecology.

This article contains a draft of the report "Records of the land planarian in Hyogo Prefecture," which was published in the following journal. Citation method: Kenichi Ikeda and Atsuya Ikeda. 2022. Records of the land planarian in Hyogo Prefecture. Nature Study 68(5): 6. ISSN...
2022.05.10
animal
Wasp Captured by Wizard animal

Research has revealed that "intraguild predation" occurs universally between spiders and wasps, potentially contributing to ecosystem stability! [Press Release]

In the "Ecological Information" section, at the request of the lead author, Mr. Daisuke Noguchi, I assisted with the introduction, discussion, and literature review on a paid basis. This research revealed that intraguild predation between spiders and wasps occurs universally, and that there is a possibility of "symmetrical intraguild predation" between spiders and wasps...
2022.03.31
animalecosystem
13.25550 Black-fronted beetle fly, female, adult animal

[First Record in Shiga Prefecture] A record of the beautiful and rare insect "Maeguro Tsuriab" found in Lake Biwa (published in "Monthly Insects")

This article contains a draft of the report "Records of the Black-winged Bee Fly in Shiga Prefecture," which was published in the following journal. Citation method: Kenichi Ikeda. 2021. Records of the Black-winged Bee Fly in Shiga Prefecture. Monthly Insect Magazine 610: 46. ISSN: 0388-418X (fu...
2021.11.24
animal
13.25403 Satsuma dwarf fly, female, adult animal

[First Record in Nara Prefecture] A Rare Fly? Discovery and Ecology of the "Satsuma Long-tailed Fly" (Published in "Monthly Insects")

This article contains a draft of the report "Records of the Satsuma-mon Nagare-abu fly in Nara Prefecture," which was published in the following journal. Citation method: Kenichi Ikeda. 2021. Records of the Satsuma-mon Nagare-abu fly in Nara Prefecture. Gekkan Mushi 602: 46-47. ISSN: 0388-4...
2021.03.25
animal
Porcellio Scaber Playing On Stemonitis animal

Were woodlice eating "slime molds"? Their mysterious ecology and observational records (published in 'Ecological Notes')

This article contains the full text of the article "Woodlice Prey on Plasmodium spp. in Kyoto Prefecture," which was published in the following magazine. Printed and PDF versions are available for purchase via the link below. Please report any errors in identification or information so we can correct them in subsequent issues. (funct...
2021.02.26
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