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What is the large-scaled booklouse? What are the records of its distribution in Japan?
Stimulopalpus japonicus Enderlein, 1907 is a species of psocid that is commonly found around human dwellings, inhabiting rock surfaces and concrete block walls of houses (Yoshizawa, 1999). In Japan, as far as Johnson et al. (2020) and the author have confirmed, it has been recorded in Tokyo (Ito, 1977; Yoshizawa, 2000), Aichi Prefecture (Mano, 2018), Nara Prefecture (Nara Prefecture Red Data Book Revision Committee, 2017), Okayama Prefecture (Enderlein, 1907: this record is not included in the distribution record compilation of the Okayama Prefecture Wildlife Survey and Review Committee (2020)), Shikoku Prefecture unknown (Tomita and Haga, 1992), and Fukuoka Prefecture (Yoshizawa, 2016). The author has also recorded it in Hyogo Prefecture (Ikeda, in submission), but there is no description in Osaka Prefecture (2000), and it is thought that there are no records in Osaka Prefecture.
The author's record of the large-scaled booklouse.
I photographed this species at Takihata Tenjin Shrine (Daibontenno Shrine) in Kawachinagano City, Osaka Prefecture, around 1:00 PM on August 26, 2016, and report my findings here (Figure 7).
1 example, Takihata Tenjin Shrine, Kawachinagano City, Osaka Prefecture, 26. VIII. 2016, photographed by the author.
There are two species in this family (Japanese Insect Catalog Editorial Committee, 2016), but this specimen has a pair of pale yellowish-brown circular spots on its head, similar to those found in *Psocidae* (Ito, 1977; Yoshizawa, 2000). Because the specimen has grayish-white markings on a dark brown background, it was identified as this species. It was observed wandering around on the steps of a shrine.
References
Enderlein, 1907. The scaly winged Copeognatha (Monograph of the Amphientomidae, Lepidopsocidae, and Lepidillidae in relation to their morphology and taxonomy). Spolia Zeylanica, 4: 39-122. ISSN: 0081-3745
Kenichi Ikeda, submitted. Insects and galls of Ibukidai Taniguchi Park (Appendix: Literature record of galls in Kobe City). *Kiberihamushi* ISSN: 1884-9377
Ito, Shushiro, 1977. Psocoptera. pp. 88-92. Ito, Shushiro, Okutani, Teiichi, and Hiura, Isamu (eds.). Illustrated Encyclopedia of Japanese Insects, Volume 2, Completely Revised New Edition. Hoikusha. Osaka. ISBN: 9784586300037
Johnson, KP, Smith, VS & Hopkins, HH, Last updated 2020. Psocodea Species File Online. Version 5.0/5.0. [retrieval date]. http://Psocodea.SpeciesFile.org
Takahiro Mano, 2018. Green Data Book Aichi 2018: Insects. D-1-151. Biodiversity in Aichi Prefecture: Green Data Book Aichi 2018. Mammals, Birds, and Reptiles; Amphibians; Brackish and Freshwater Fish; Insects; Spiders; Mosses and Hornworts. Aichi Prefectural Government, Environmental Department, Natural Environment Division. Nagoya. https://www.pref.aichi.jp/soshiki/shizen/greendatabook.html
Nara Prefecture Red Data Book Revision Committee, 2017. Nara Prefecture Wildlife Catalog, 422pp. Landscape and Natural Environment Division, Landscape and Environment Bureau, Department of Lifestyle Creation. Nara.
Japanese Insect Catalog Editorial Committee, 2016. Japanese Insect Catalog, Vol. 4, Neoptera, xxxiii, 629pp. Kaika Shobo, Fukuoka. ISBN: 9784434218224
Okayama Prefecture Wildlife Survey and Review Committee, 2020. Okayama Prefecture Wildlife Catalog 2019, 516pp. Okayama Prefecture Environmental and Cultural Affairs Department, Natural Environment Division. Okayama.
Osaka Prefecture, 2000. Osaka Prefecture Wildlife Catalog, 351 pp. Environmental, Agriculture, Forestry and Fisheries Department, Green Environment Improvement Office. Osaka.
Tomita, Yasuhiro and Haga, Kazuo. 1992. Catalog and key to Japanese Psocoptera. Sugadaira Plateau Research Center Research Report, 12: 35-54. ISSN: 0913-6800
Yoshizawa, Kazunori, 1999. Biology of booklice (1). Insectarium, 36(6): 156-161. ISSN: 0910-5204
Yoshizawa, Kazunori, 2000. Psocoptera insects obtained from a fauna survey of the Imperial Palace. Special Report of the National Museum of Nature and Science, 36: 29-34. ISSN: 0082-4755
Yoshizawa, Kazunori, 2016. Introduction to Entomology: Explanation of Each Order (1) Phylogenetic Position and Higher-Level System of the Order Gnathida. Konchu New Series, 19(3): 112-120. ISSN: 1343-8794, https://doi.org/10.20848/kontyu.19.3_112
