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Stag beetle related products on eBay and Yahoo auctions ?>

Stag beetle related products on eBay and Yahoo auctions

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eBay is an internet auction site with the world’s largest users. On the other hand, Yahoo Auctions is a famous auction site in Japan. In both cases, ordinary people like us sell products.   In these two auction sites, I searched for “stag beetle” as a keyword and looked at the differences between the products being exhibited.   Number of hits eBay (Searched for “stag beetle”): 2,687 in total, 211 for >5000 JPY (Japanese yen) Yahoo Auctions (Searched for “クワガタ”):…

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Drone beetles dancing in resin (3D zoetrope) ?>

Drone beetles dancing in resin (3D zoetrope)

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When a picture or object with a different shape appears one after another in the same place like a flip-book, our eyes are illusioned as if they are moving. For those using 3D objects, they are called 3D zoetrope. Using the same principle, I made a work that looks like a drone beetle climbed an acorn and slipped down. *The work will be exhibited in Maker Faire Tokyo 2018 (Aug.4, 2018~Aug.5, 2018 @Tokyo big site) with the team name “Ignoramus“….

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Are software smart enough to identify stag beetle species? ?>

Are software smart enough to identify stag beetle species?

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I found an iOS/Android App “昆虫判定機” (insect judgment machine), which recognizes images such as photos and identifies the species name of the insects. Speaking of image recognition, I often see news that the technology is developing along with fundamental computer technologies such as machine learning and AI (Artificial intelligence). I did not know how much these fundamental technologies are involved in insect identification software, but I was curious how well the software works. In this post I prepared pictures of…

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Ingredients of sap from oak trees ?>

Ingredients of sap from oak trees

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In Japan even kids know rhinoceros beetles and stag beetles feed on sap from oak trees. Although the importance of the sap for the insects is well-known, it is not famous what does the sap consist of. Some people were aware that the sap contained not only sugar but protein (please see another post). However, I could not find a literature that listed ingredients of the sap. The ingredients were reported in a book Recently I found what I was looking for. The book…

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Prices of rhinoceros beetles and stag beetles in 1980 and 1997 (and bell crickets in 1928) ?>

Prices of rhinoceros beetles and stag beetles in 1980 and 1997 (and bell crickets in 1928)

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I found market prices of rhinoceros beetles and stag beetles in the past. 1. Introduction 2. Prices in 2016 3. Prices in 1997 4. Prices in 1980 5. (Appendix) Price of bell crickets in 1928 Introduction In this post I will write about specific insect species living in Japan. All the species are quite popular in Japan but I suppose they are not in abroad. I will give you brief introduction of these species. Dorcus hopei binodulosus （オオクワガタ） Rare species in wild….

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