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Was the endangered species *Toranoosuzukake* a rare plant associated with Hiraga Gennai?

*Platanthera japonica*, a perennial herb distributed mainly in western Japan, is designated as an endangered species by various prefectures, although it is not designated as such by the Ministry of the Environment. The reason for its endangered status is its extremely small population, but the exact cause of this low population size is not well understood.
2021.10.06
plant
plant

What are the differences between *Gnaphalium uliginosum*, *Gnaphalium affine*, *Gnaphalium erythrorhizon*, and *Gnaphalium affine*? We'll explain how to distinguish between similar species! What are the newly named *Gnaphalium uliginosum* and *Gnaphalium purpurea*?

Gnaphalium affine, Gnaphalium affine, Gnaphalium erythrorhizon, and Gnaphalium uliginosum are perennial herbs that can be seen in many urban areas these days, but they were only confirmed in Japan during the Showa era. All of them share the common features of having spike-like inflorescences with leaf-like bracts attached to various points on the spike, making them difficult to distinguish without careful observation...
2021.09.21
plant
plant

What are the differences between sow thistle (Sonchus oleraceus), prickly sow thistle, autumn sow thistle, and narrow-leaved autumn sow thistle? An explanation of how to distinguish between similar species.

Sow thistle (Sonchus oleraceus), prickly sow thistle, autumn sow thistle, and narrow-leaved autumn sow thistle all belong to the Asteraceae family and are very commonly observed even in urban areas of Japan. Although their names are very similar, sow thistle and prickly sow thistle belong to completely different genera from autumn sow thistle and narrow-leaved autumn sow thistle. Therefore...
2021.09.20
plant
animal

Reporting on the first domestic record of the Satsuma fly and the first record in Nara Prefecture! (Article 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
animal

Woodlice prey on plasmopods of the genus *Dictyophora* (Paper 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
animal
animal

Reporting on the first record of *Psocidae* in Japan and the first record in Osaka Prefecture! (Paper published in *Ecological Notes*)

This article contains the full text of "Records of *Psocidae* in Osaka Prefecture and Literature Records of its Distribution in Japan," which was published in the following journal. For those wishing to purchase the print or PDF version, please use the link below. Please report any errors in identification or information so that we can correct them in subsequent issues. (f...
2021.02.26
animal
animal

Reporting the first domestic record of the hairy stink bug *Pantala japonica* in Japan and the first record on Yakushima Island! (Paper published in *Ecological Notes*)

This article contains the full text of "The First Record of the Hairy Stink Bug on Yakushima Island," which was published in the following magazine. For those wishing to purchase the printed or PDF version, please use the link below. Please report any errors in identification or information so that we can correct them in subsequent issues. (function(b...
2021.02.26
animal
animal

Reporting on the first record of *Yamafujihafukure-fushi* in Japan and the first record in Hyogo Prefecture! (Paper published in *Ecological Notes*)

This article contains the full text of "Records of *Yamafujihafukure-fushi* in Hyogo Prefecture and Literature Records of its Domestic Distribution," which was published in the following journal. For those wishing to purchase the printed or PDF version, please use the link below. Please report any errors in identification or information so that we can correct them in subsequent issues. (...
2021.02.26
animal
animal

Additional literature records of the common digger wasp in mainland Tokyo have been discovered! (Article published in 'Ecological Notes')

This article contains the full text of "A Literature Record of Common Digger Wasps in Mainland Tokyo, Adding to Ikeda (2019b)," which was published in the following journal. Print and PDF versions are available for purchase via the links below. Please report any errors in identification or information so that we can correct them in subsequent issues...
2021.02.26
animal
animal

Reporting on the Japanese domestic record of *Rubus parvifolius* and the first records in Nara and Tokyo prefectures! (Paper published in *Ecological Notes*)

This article contains the full text of "First Records of *Rubus parvifolius* in Nara and Tokyo Prefectures," which was published in the following magazine. Printed and PDF versions are available for purchase via the links below. Please report any identification or information errors so we can correct them in subsequent issues. (funct...
2021.02.26
animal
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