• Title/Summary/Keyword: beetles

Search Result 197, Processing Time 0.025 seconds

A Species of Euplectitae (Coleoptera: Staphylinidae: Pselaphinae) New to Korea (한국산 미기록 곤봉개미사돈 Philoscotus rostralis (딱정벌레목: 반날개과: 개미사돈아과)에 대한 보고)

  • Kang, Ji-Won;Park, Sun-Jae;Kim, A-Young;Park, Jong-Seok
    • Korean journal of applied entomology
    • /
    • v.58 no.3
    • /
    • pp.229-231
    • /
    • 2019
  • A species of pselaphine beetles, Philoscotus rostralis Nomura, is reported in Korea for the first time. Illustrations of a habitus, diagnostic characters and distribution map are provided.

Two New Records of Histerid Beetles (Coleoptera: Histeridae) from Korea (2종의 한국산 풍뎅이붙이과 미기록종 (딱정벌레목: 풍뎅이붙이과)에 대한 보고)

  • Seung, Jinbae;Lee, Seunghwan
    • Korean journal of applied entomology
    • /
    • v.58 no.1
    • /
    • pp.55-61
    • /
    • 2019
  • Two new records of family Histeridae are recognized for the first time from Korea: Niponius impressicollis Lewis, 1885 and Gnathoncus nannetensis (Marseul, 1862). Morphological comments and photographs for each species are provided.

Morphology and distribution of antennal, maxillary palp and labial palp sensilla of the adult bruchid beetles, Callosobruchus chinensis (L.) (Coleoptera: Bruchidae)

  • WANG, Hongmin;ZHENG, Haixia;ZHANG, Yaowen;ZHANG, Xianhong
    • Entomological Research
    • /
    • v.48 no.6
    • /
    • pp.466-479
    • /
    • 2018
  • Callosobruchus chinensis (Coleoptera: Bruchidae) is the main pest of mungbean (Vigna radiata) especially during seed storage. To provide background information for chemical ecology studies, we examined the externalmorphology of the antennal, maxillary palp and labial palp sensilla of this insect with scanning electron microscopy. The antennae of adult C. chinensis exhibited sexual dimorphism. The female have serrated antenna and the male have pectinate morphology. Eight sensillum types have been observed on the antennae of both sexes: $B\ddot{o}hm$ bristles, sensilla chaetica, sensilla trichodea, sensilla basiconica, sensilla styloconicum, sensilla coeloconica, sensillum campaniformia, sensilla cavity. There are no differences on the morphology of maxillary palp and labial palp between female and male. Four different types of sensilla are present on the labial and maxillary palps of both sexes of C. chinensis: sensilla chaetica, sensilla twig basiconica, sensilla basiconica, sensilla digitiformia.

Hypothetical Speciation Scenario of Subgenus Psalidoremus (Coleoptera: Lucanidae) by Morphological Traits and Geographical Patterns

  • Kim, Eunjoong
    • Proceedings of the National Institute of Ecology of the Republic of Korea
    • /
    • v.3 no.1
    • /
    • pp.41-46
    • /
    • 2022
  • Psalidoremus is one of the subgenus which consists of five species and eleven subspecies through Taiwan, Japan, Korea and north eastern part of China which present strong endemism to their distribution. While most of advance studies focus on the new species or subspecies from this taxon, this paper suggests paleogeographical assumption and hypothesis of how they diverged from common ancestors. Phylogeographical patterns illustrated by the distribution of five species, which including Prosopocoilus inclinatus, Prosopocoilus hachijoensis, Prosopocoilus dissimilis, Prospocoilus pseudodissimilis, Prosopocoilus motschulskii respectively, has been assessed in this research. Speciation history is suggested by morphological tendencies especially in male mandibles with assumption from geographical patterns of under sea level.

Some living eukaryotes during and after scanning electron microscopy

  • Ki Woo Kim
    • Applied Microscopy
    • /
    • v.51
    • /
    • pp.16.1-16.7
    • /
    • 2021
  • Electron microscopy (EM) is an essential imaging method in biological sciences. Since biological specimens are exposed to radiation and vacuum conditions during EM observations, they die due to chemical bond breakage and desiccation. However, some organisms belonging to the taxa of bacteria, fungi, plants, and animals (including beetles, ticks, and tardigrades) have been reported to survive hostile scanning EM (SEM) conditions since the onset of EM. The surviving organisms were observed (i) without chemical fixation, (ii) after mounting to a precooled cold stage, (iii) using cryo-SEM, or (iv) after coating with a thin polymer layer, respectively. Combined use of these techniques may provide a better condition for preservation and live imaging of multicellular organisms for a long time beyond live-cell EM.

Tenomerga mucida (Chevrolat, 1829) (Coleoptera: Cupedidae) New to Korea (한반도 미기록 암갈색곰보벌레(딱정벌레목: 곰보벌레과)의 보고)

  • Sangwook Park;Hee-Wook Cho
    • Korean journal of applied entomology
    • /
    • v.62 no.1
    • /
    • pp.33-37
    • /
    • 2023
  • An archostematan beetles, Tenomerga mucida (Chevrolat, 1829), belong to the family Cupedidae is reported in Korea for the first time. We provide the diagnostic information based on morphology with microscophic images of the species compared with Tenomerga anguliscutis.

Confirmation of the Occurrence of the Genus Sominella Jacobson, 1908 (Coleoptera: Chrysomelidae: Donaciinae) from Korea (한반도 분포가 불확실했던 Sominella속(딱정벌레목: 잎벌레과: 뿌리잎벌레아과)의 확인)

  • Hee-Wook Cho;Masakazu Hayashi
    • Korean journal of applied entomology
    • /
    • v.62 no.2
    • /
    • pp.79-81
    • /
    • 2023
  • This paper presents the confirmed occurrence of the reed beetle genus Sominella Jacobson, 1908 in North Korea, based on a specimen of S. macrocnemia (Fischer von Waldheim, 1824). Photographs of the habitus, main diagnostic characters, and a distribution map in Korea are provided.

Observations of the Mating Behavior and Larvae Habitat of Polyphylla laticollis manchurica in the Republic of Korea (Coleoptera: Scarabaeidae: Melolonthinae)

  • Jaeha Lee;Sang-Bong Son;Sang Woo Jung;Yoon-Ho Kim
    • Proceedings of the National Institute of Ecology of the Republic of Korea
    • /
    • v.4 no.3
    • /
    • pp.131-133
    • /
    • 2023
  • Polyphylla laticollis manchurica Semenov, 1900, is a critically endangered species in the Republic of Korea and is strictly protected as a Class I endangered species. Although this beetle species faces a threat of extinction, its ecological understanding is limited. Previous studies conducted on this species in the Republic of Korea have focused only on its taxonomy and mitochondrial genome sequences. Herein, we report an observation of the mating of adults of P. l. manchurica in June 2021, during an ongoing study on Korean beetles. This incidence was reported around light sources from newly constructed townhouses near Geumgang River. Larval habitats were observed along the river between April 2022 and March 2023. Particularly, two larvae were found inside the plant debris, and three were found under the roots of reeds. This study provides key information on the mating ecology of P. l. manchurica that can assist conservation efforts of this critically endangered species.

Diversity and Abundance of Ground-beetles (Coleoptera : Carabidae) in Mt. Togyusan, Korea (덕유산 지표성곤충 딱정벌레의 (딱정벌레목 : 딱정벌레과 ) 다양성 및 풍부도)

  • Park, Jong-Kyun;Kwon, Yong-Jung;Lim, Jong-Soon
    • The Korean Journal of Soil Zoology
    • /
    • v.2 no.2
    • /
    • pp.92-97
    • /
    • 1997
  • Diversity or richness and altitudinal distribution of subtribe Carabinae were investigated on Mt. Togyusan in Korea. Of the collected seven species belonging to 4 genera, Carabus sternbergi was the most abundant and Leptocarabus semiopacus and L. seishinensis were relatively abundant than the other species. Although species diversity and species richness indices were higher at the crown site than those at lower sites, more indivisuals were found at low sites. There were relatively more females.

  • PDF

Two Ciidae (Coleoptera: Tenebrionoidea) Species New to South Korea

  • Seung-Gyu Lee;Yoon-Ho Kim;Sang Woo Jung
    • Animal Systematics, Evolution and Diversity
    • /
    • v.39 no.4
    • /
    • pp.300-303
    • /
    • 2023
  • The family Ciidae, commonly known as minute tree-fungus beetles, encompasses approximately 640 species distributed among 43 genera, classified into two subfamilies(Ciinae and Sphidociinae). In South Korea, total 13 species in five genera are known: Cis boleti(Scopoli), C. hieroglyphicus Reitter, C. jezoensis Nobuchi, C. mikagensis Nobuchi & Wada, C. sasajii Kawanabe, C. seriatopilosus Motschulsky, Ennearthron chujoi Nakane & Nobuchi, E. ishiharai Miyatake, E. robusticorne Kawanabe, Neoennearthron bicarinatum Miyatake, Octotemnus japonicus Miyatake, O. laminifrons (Motschulsky), and Xylographus scheerpeltzi Nobuchi. In this study, two Ciidae species, Cis japonicus Nobuchi, 1955 and Orthocis nigrosplendidus(Nobuchi, 1955), are reported for the first time in the Korean Peninsula. Diagnoses of two species, habitus photographs of adult and male genitalia are provided.