著者
渡辺 黎也 岩田 泰幸 加藤 敦史
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.25, no.3, pp.111-116, 2022-09-25 (Released:2022-09-29)
参考文献数
26

Helophorus auriculatus Sharp, 1884 is an endangered water beetle that inhabits earth ditches and small pools in riverbeds and paddy fields. In Japan, the recent record of H. auriculatus has been limited to the Ibaraki Prefecture in 2019 and Tsushima Island, Nagasaki Prefecture in 2020. We rediscovered this species in the Saitama Prefecture, Japan, after 34 years and compared the habitat and adult morphology of this species among different Japanese regions.
著者
楠原 弘己 Triapitsyn Serguei V.
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.1, pp.8-11, 2023-03-25 (Released:2023-04-13)
参考文献数
10

The zig-zag leafhopper, Maiestas dorsalis (Motschulsky, 1859) (Hemiptera: Cicadellidae), is a minor pest of rice in Asia. To investigate the fauna of egg parasitoids associated with leafhoppers in rice field, we deployed sentinel egg traps of M. dorsalis on rice seedlings in Fukuoka Prefecture, Kyushu Island, Japan. Females of two fairyflies, Lymaenon aureus (Girault, 1911) and L. litoralis (Haliday, 1833) (Hymenoptera: Mymaridae) were reared from the deployed sentinel eggs. This is a new host record for L. aureus. Additionally, new distributional records of both species from Honshu Island are presented.
著者
大庭 伸也 渡辺 黎也
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.1, pp.12-15, 2023-03-25 (Released:2023-04-13)
参考文献数
9

Hydaticus grammicus (Germer, 1827) (Coleoptera: Dytiscidae) is a common diving beetle with a body length of 9.0–11.0 mm and yellowish brown with vertical stripes on their elytra. We found an unidentified beetle resembling H. rhantoides Sharp, 1882 because of dark brown on its body color in Hyogo Prefecture, Japan. Based on the phylogenetic analysis using mitochondrial COI gene sequences (646 bp), we concluded that the unidentified beetle is a color variation of H. grammicus (no stripe type). This color variation with no stripe is the first report of this species.
著者
佐々木 大介
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.2, pp.66-75, 2023-06-25 (Released:2023-06-28)
参考文献数
45

Thelaxes suberi (Del Guercio, 1911), an oak-feeding aphid species, is native to Europe, the Mediterranean region, and Southwest Asia, but adventive in South Africa and Florida, USA. The present paper reports the first occurrence of T. suberi in Japan based on the specimens collected in Tokyo in 2017–2019. This adventive species is assumed to have become established in Japan. The colonies of T. suberi were observed on new shoots and leaves of the Japanese native plant, Quercus phillyraeoides and often attended by the Japanese native ants, Lasius japonicus and Pristomyrmex punctatus. These represent newly recorded biological associations for T. suberi, respectively. A Japanese common name is newly proposed for T. suberi: “Korukugashi-mitsu-aburamushi”, meaning cork oak thelaxid.
著者
阿部 純大
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.3, pp.179-183, 2023-09-25 (Released:2023-10-17)
参考文献数
11

This study reports on the morphological variations in Nothoserphus afissae (Watanabe, 1954), which are important for species identification. Neglecting these characteristics could lead to misidentification and an underestimation of species diversity among similar species. In this paper, I provide a redescription and updated diagnosis of N. afissae.
著者
吉田 匠 竹中 將起 東城 幸治
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.3, pp.165-174, 2023-09-25 (Released:2023-10-17)
参考文献数
26

Elmomorphus beetles were recorded for the first time on Okinoerabu-jima Island in the Ryukyu Archipelago. Morphological examinations of the specimens clearly identified them as being Elmomorphus amamiensis. To date, based on the results of morphological classification and molecular phylogenetic analyses, two Japanese Elmomorphus beetles have been recorded; namely, Elmomorphus brevicornis and E. amamiensis. However, a third lineage was detected among them based on our genetic analyses. This third lineage was identified as being within the E. amamiensis populations of the Okinawa-jima and Kume-jima Islands and also in the Okinoerabu-jima Island populations and was newly discovered in this study. According to the analyses of all their nuclear and mitochondrial DNA, this third lineage did not constitute a monophyletic group with E. amamiensis of Amami-oshima Island (which is the type locality of this species), but rather formed a monophyletic group with E. brevicornis. These results suggested the following two possibilities: 1) the existence of a third distinct species, different from the other two species, 2) all three lineages together constitute one species as a whole and each lineage corresponds to a regional sub-clade within that species. In addition, the morphological characteristics that have been used to distinguish species/subspecies may themselves be problematic. Although it is not possible to come to a definitive conclusion as to which hypothesis is correct in this study, it has become clear that Elmomorphus beetles are an extremely significant species in discussions about the origin and phylogeographic history of the Ryukyu Archipelago.
著者
KOHNO,Katsuyuki
出版者
Entomological Society of Japan
雑誌
Entomological science
巻号頁・発行日
vol.5, no.3, 2002-09-25

Phoretic association between the egg parasitoid Protelenomus sp. and the coreid bug Anoplocnemis phasiana was studied on Ishigaki-jima Island, Japan. The egg parasitoids were associated only with adult bugs. The parasitoids were found on 28.7% of female bugs and on 20.0% of male bugs, and there was no significant difference in the frequency between female and male bugs. The mean and maximum numbers of parasitoids on a bug were 1.2 and 24 for female bugs, and 0.6 and 14 for male bugs, respectively. The number of parasitoids attached to a bug sometimes exceeded the number of eggs in a batch of host bugs. The parasitoids exhibited clumped distribution among the bugs. Most parasitoids were found on the hind femora in male bugs, while about half of parasitoids were attached to the antennae in female bugs. The transfer of parasitoids from a male bug to a female bug was observed to occur while the bugs were copulating. Therefore, phoresy on male bugs is not always disadvantageous for the egg parasitoid. Since the bugs change their host plant seasonally, phoresy on male bugs can be advantageous if the bugs are used as vehicles for transportation to distant places according to the host plant changes of the host bugs.
著者
KOHNO,Katsuyuki
出版者
Entomological Society of Japan
雑誌
Entomological science
巻号頁・発行日
vol.5, no.4, 2002-12-25

We investigated the prey-predator relationship between aposematic pyrrhocorid bugs, Antilochus coqueberti and Dysdercus cingulatus. They are similar in appearance and often found in the same habitat simultaneously. Carnivory of A. coqueberti on D. cingulatus and D. decussatus was observed in the field, and A. coqueberti could not develop when experimentally fed on only plant materials, strongly indicating the obligate carnivory of A. coqueberti. While A. coqueberti did not prey on bugs in the families Lygaeidae, Largidae, Coreidae, and Rhopalidae that share the aposematic body coloration with A. coqueberti and D. cingulatus, A. coqueberti preyed on all the pyrrhocorids and alydids provided, regardless of their body coloration. Visual resemblance is only partially involved in the prey preference of A. coqueberti. We conclude that A. coqueberti is the obligate predator specialized to Dysdercus species.
著者
林 成多
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.3, pp.175-178, 2023-09-25 (Released:2023-10-17)
参考文献数
4

The carabid beetles, Lebidia octoguttata Morawitz were raised under laboratory conditions. The adults preyed on spittlebug nymphs and laid eggs in foamy masses of the nymphs. The hatched larvae preyed on the nymphs within foamy masses. They had three larval instars, and the egg-to-adult development took 28–29 d.
著者
Muraji Masahiko Tachikawa Shuji
出版者
Entomological Society of Japan
雑誌
Entomological science (ISSN:13438786)
巻号頁・発行日
vol.5, no.2, pp.249-258, 2002-06-25
参考文献数
17
被引用文献数
1

To examine the species integrity of a water strider, Gerris gracilicornis, multivariate analyses based on 32 morphometric characters were performed on 158 male adults collected from 47 populations in the Russian Far East, Korea, Taiwan, and Japan, as well as on 66 individuals of three other Gerris (Macrogerris) species (G. yezoensis, G. insularis, and Gerris sp.). In canonical discriminant analyses, all of these species were distinguished unambiguously. When multivariate analyses were applied to G. gracilicornis individuals, both principal component and canonical discriminant analyses indicated that there are three morphologically and geographically separated population groups (Groups A, B, and C). Group A is distributed in the Korean Peninsula and the Japanese Islands from Hokkaido Island to Yaku-shima Island, Group B in the Ryukyu Islands from Amami-oshima Island to Yonaguni-jima Island, and Group C in the Russian Far East, Cheju Island of Korea, and Taiwan. Canonical discriminant analysis of laboratory-grown insects suggested that the morphometric differences among these groups were not due to environmental or climatic differences, but to genetic differences among the different groups.
著者
林 正幸
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.2, pp.120-123, 2023-06-25 (Released:2023-06-28)
参考文献数
10

The green lacewing Plesiochrysa ramburi (Schneider, 1851) (Neuroptera: Chrysopidae) was recorded from Minami-Daito Island in the Daito Islands, representing the first report of this species in Japan. In the laboratory, larvae of P. ramburi were successfully reared by feeding on eggs of the flour moth Ephestia kuehniella (Zeller, 1879). The mean total development period at 25°C was 25.7 d for females and 23.2 d for males. I propose Semadara-nan-you-kusakagerou as the Japanese name for this lacewing species.
著者
SHIMA,Hiroshi
出版者
Entomological Society of Japan
雑誌
Entomological science
巻号頁・発行日
vol.5, no.3, 2002-09-25

Sturmia micronychia sp. nov. is described from Japan. This species is very similar to S. bella (Meigen) and both are reared from the chestnut tiger butterfly, Parantica sita niphonica (Moore), and a papilionid, Byasa alcinous (Klug), in Japan. The male genitalia of both species are illustrated and diagnostic characters are given. A key to Asian species of Sturmia is provided and known species of the genus from Asia and Oceania are briefly redescribed.
著者
Okadome Tsunemaru
出版者
Entomological Society of Japan
雑誌
Entomological science (ISSN:13438786)
巻号頁・発行日
vol.4, no.2, pp.185-190, 2001-06-25
参考文献数
13

Four species of Suillia are reported from Japan. Two of them, S. matsutakevora sp. nov. and S. tokugoensis sp. nov., are described as new to science. Suillia mikii (Pokorny, 1886) and S. grunini Gorodkov (1977) are recorded for the first time from Japan. A key to the Japanese species of Suillia is given.
著者
MURAJI,Masahiko
出版者
Entomological Society of Japan
雑誌
Entomological science
巻号頁・発行日
vol.4, no.3, 2001-09-25

Nucleotide sequences of a 0.7kb portion of the mitochondrial cytochrome b gene were analyzed using Japanese species of water striders belonging to the subgenus Macrogerris. Although the sequences were rather homogeneous among individuals within both Gerris gracilicornis and G. yezoensis, considerable variation was observed among insects showing conventionally recognized diagnostic characteristics of G. insularis. Results of molecular phylogenetic analyses clearly indicated that there are three distinct lineages, designated as types A, B, and C, among these latter insects. Comparisons of nucleotide sequences indicated that genetic distances among these lineages were much larger than those between G. gracilicornis and G. yezoensis. From PCR-RFLP analyses of insects collected from 35 localities, it was revealed that the geographic distributions of types B and C were divided between northeastern Honshu island and western Japan including Kyushu island and central to western Honshu island, whereas that of type A largely overlapped with those of the other two types. Although male adults of the three types were homogeneous in conventionally recognized diagnostic characteristics, apparent differences were observed in the shape of the head, pronotum, fore femur, and color pattern of the anterior pronotum between type A and the other two types. In addition, types B and C showed apparent dimorphism in hind wings, containing both long- and short-winged individuals, whereas type A showed only long and wide hind wings. Preliminary observations of mating behavior indicated that a precopulatory reproductive isolation is operative between type A and other two types. Based on these results, evolutionary relationships among the three lineages are discussed.
著者
Ballarin Francesco Lola Alyssa Marie Irawan Ardika Dani Chouangthavy Bounsanong 菊地 波輝
出版者
Entomological Society of Japan
雑誌
昆蟲.ニューシリーズ (ISSN:13438794)
巻号頁・発行日
vol.26, no.2, pp.149-156, 2023-06-25 (Released:2023-06-28)
参考文献数
6

Nearly a decade after its entry into force, the Nagoya Protocol on Access and Benefit Sharing (ABS) continues to pose challenges for academics. The diversity of local regulations and the complexity of procedures can make it difficult for researchers to understand how to properly comply with the protocol when working with samples collected in signatory countries. To address this issue, the ABS Support Team at the Makino Herbarium, Tokyo Metropolitan University aims to assist Japanese researchers in navigating ABS procedures during their studies. In this article, we present three cases of successful ABS compliance involving animal and plant samples from strictly regulated countries in Southeast Asia. For each example, we provide detailed information on the procedures followed, the required documents, and the government ministries and departments involved. These examples serve as practical guidance for researchers, helping them better understand the structure and complexity of the ABS procedures and providing advice on how to successfully navigate them.
著者
Jaschhof Mathias
出版者
Entomological Society of Japan
雑誌
Entomological science (ISSN:13438786)
巻号頁・発行日
vol.3, no.4, pp.639-652, 2000-12-25
参考文献数
24

Catotricha is a species-poor, relict group of ancient gall midges (Cecidomyiidae), formerly classified in the subfamily Lestremiinae. It is here excluded from the Lestremiinae and given subfamily rank of its own. The Catotrichinae subfam. n. are sister group of the remainder of the Cecidomyiidae, Lestremiinae s. str.+(Porricondylinae+Cecidomyiinae). The Lestremiinae in this new, strict sense are shown to be monophyletic, justified by a pecularity of their antennae. Details of the antennae, palpi and thorax in Catotricha are discussed phylogenetically and with consideration of homologous structures in other Mycetophiliformia. Catotricha fraterna sp. n. from Australia is described. Catotricha nipponensis (Alexander, 1924) from Japan is redescribed ; Catotricha antennata Alexander, 1959 is considered a junior synonym of nipponensis.
著者
SHIMIZU,Akira
出版者
Entomological Society of Japan
雑誌
Entomological science
巻号頁・発行日
vol.3, no.3, 2000-09-25

Records of specimens suggesting cleptoparasitism of Poecilagenia sculpturata (Kohl) on Auplopus carbonarius (Scopoli) are reviewed, and the cleptoparasitic behavior of this species is described. In her searching behavior, female P. sculpturata repeatedly uses the antennae by applying them to the substrate near where other pompilids are nesting. The flagellar sensilla of this species are observed by SEM, and the following types of sensilla are found : sensilla placodea, sensilla basiconica A, pit organs, sensilla campaniformia, sensilla trichodea A, B, C, and sensilla spatulata. The structure of the antenna and sensilla of P. sculpturata is compared with that of A. carbonarius. The female P. sculpturata has a shorter and stouter fusiform flagellum with denser sensilla basiconica A on its anteroventral side. Similar structures are found in cleptoparasitic pompilids, Evagetes species. These structures are considered to have evolved due to convergence as an adaption to the cleptoparasitic mode of life. The sensilla basiconica A are presumed to play the most important role in locating the host or paralyzed spider.