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https://www.readbyqxmd.com/read/28743668/a-new-haplotype-of-the-coconut-rhinoceros-beetle-oryctes-rhinoceros-has-escaped-biological-control-by-oryctes-rhinoceros-nudivirus-and-is-invading-pacific-islands
#1
Sean D G Marshall, Aubrey Moore, Maclean Vaqalo, Alasdair Noble, Trevor A Jackson
The coconut rhinoceros beetle (CRB; Oryctes rhinoceros) is a major pest of coconut and oil palm, but the discovery and release of Oryctes rhinoceros nudivirus (OrNV) in the 1960s and 70s suppressed the pest such that no new invasions of uninfested islands by CRB were reported for over 30 years after implementation of the biocontrol programme. Surprisingly, a highly damaging outbreak was reported from Guam (2007), which could not be controlled by OrNV. Subsequently, new invasions have been reported from Port Moresby, Papua New Guinea (2009); O'ahu, Hawai'i (2013); and Honiara, Solomon Islands (2015)...
July 22, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28447387/who-has-dibs-on-a-dead-rhinoceros-beetle
#2
Robin M Giblin-Davis
No abstract text is available yet for this article.
April 26, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28229336/relevant-principal-factors-affecting-the-reproducibility-of-insect-primary-culture
#3
Norichika Ogata, Kikuo Iwabuchi
The primary culture of insect cells often suffers from problems with poor reproducibility in the quality of the final cell preparations. The cellular composition of the explants (cell number and cell types), surgical methods (surgical duration and surgical isolation), and physiological and genetic differences between donors may be critical factors affecting the reproducibility of culture. However, little is known about where biological variation (interindividual differences between donors) ends and technical variation (variance in replication of culture conditions) begins...
June 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/28198090/succession-and-dynamics-of-pristionchus-nematodes-and-their-microbiome-during-decomposition-of-oryctes-borbonicus-on-la-r%C3%A3-union-island
#4
Jan M Meyer, Praveen Baskaran, Christian Quast, Vladislav Susoy, Christian Rödelsperger, Frank O Glöckner, Ralf J Sommer
Insects and nematodes represent the most species-rich animal taxa and they occur together in a variety of associations. Necromenic nematodes of the genus Pristionchus are found on scarab beetles with more than 30 species known from worldwide samplings. However, little is known about the dynamics and succession of nematodes and bacteria during the decomposition of beetle carcasses. Here, we study nematode and bacterial succession of the decomposing rhinoceros beetle Oryctes borbonicus on La Réunion Island. We show that Pristionchus pacificus exits the arrested dauer stage seven days after the beetles´ deaths...
February 15, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28177084/judas-beetles-discovering-cryptic-breeding-sites-by-radio-tracking-coconut-rhinoceros-beetles-oryctes-rhinoceros-coleoptera-scarabaeidae
#5
Aubrey Moore, Diego C Barahona, Katherine A Lehman, Dominick D Skabeikis, Ian R Iriarte, Eric B Jang, Matthew S Siderhurst
No abstract text is available yet for this article.
February 1, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28115497/a-multiplex-pcr-assay-for-differentiating-coconut-rhinoceros-beetle-coleoptera-scarabaeidae-from-oriental-flower-beetle-coleoptera-scarabaeidae-in-early-life-stages-and-excrement
#6
S Watanabe, M J Melzer
The coconut rhinoceros beetle, Oryctes rhinoceros (L.), is a major pest of coconut and other palm trees. An incipient coconut rhinoceros beetle population was recently discovered on the island of Oahu, Hawaii and is currently the target of a large, mutiagency eradication program. Confounding this program is the widespread presence of another scarab beetle on Oahu, the oriental flower beetle, Protaetia orientalis (Gory and Percheron 1833). Eggs, early life stages, and fecal excrement of coconut rhinoceros beetle and oriental flower beetle are morphologically indistinguishable, thereby creating uncertainty when such specimens are discovered in the field...
April 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/27993990/judas-beetles-discovering-cryptic-breeding-sites-by-radio-tracking-coconut-rhinoceros-beetles-oryctes-rhinoceros-coleoptera-scarabaeidae
#7
Aubrey Moore, Diego C Barahona, Katherine A Lehman, Dominick D Skabeikis, Ian R Iriarte, Eric B Jang, Matthew S Siderhurst
The coconut rhinoceros beetle, Oryctes rhinoceros L., is a serious pest of coconut and other palms throughout Southeast Asia and on several Pacific Islands. Adults damage and sometimes kill palms when they bore into the crown to feed. In contrast, larvae feed only on dead plant material at breeding sites. Typically, coconut rhinoceros beetle populations are controlled with a combination of biocontrol, pheromone traps, and breeding site removal. A field trial was performed at two locations on Guam to test the feasibility of using the Judas technique, releasing radio-tagged adults to discover cryptic breeding sites, for potential coconut rhinoceros beetle control...
December 19, 2016: Environmental Entomology
https://www.readbyqxmd.com/read/27557976/cretaceous-origin-of-giant-rhinoceros-beetles-dynastini-coleoptera-and-correlation-of-their-evolution-with-the-pangean-breakup
#8
Haofei Jin, Takahiro Yonezawa, Yang Zhong, Hirohisa Kishino, Masami Hasegawa
The giant rhinoceros beetles (Dynastini, Scarabaeidae, Coleoptera) are distributed in tropical and temperate regions in Asia, America and Africa. Recent molecular phylogenetic studies have revealed that the giant rhinoceros beetles can be divided into three clades representing Asia, America and Africa. Although a correlation between their evolution and the continental drift during the Pangean breakup was suggested, there is no accurate divergence time estimation among the three clades based on molecular data...
March 17, 2017: Genes & Genetic Systems
https://www.readbyqxmd.com/read/27252223/endocrine-control-of-exaggerated-trait-growth-in-rhinoceros-beetles
#9
REVIEW
R Zinna, H Gotoh, C S Brent, A Dolezal, A Kraus, T Niimi, D Emlen, L C Lavine
Juvenile hormone (JH) is a key insect growth regulator frequently involved in modulating phenotypically plastic traits such as caste determination in eusocial species, wing polymorphisms in aphids, and mandible size in stag beetles. The jaw morphology of stag beetles is sexually-dimorphic and condition-dependent; males have larger jaws than females and those developing under optimum conditions are larger in overall body size and have disproportionately larger jaws than males raised under poor conditions. We have previously shown that large males have higher JH titers than small males during development, and ectopic application of fenoxycarb (JH analog) to small males can induce mandibular growth similar to that of larger males...
August 2016: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/26981432/whole-genome-sequence-of-clostridium-lituseburense-l74-isolated-from-the-larval-gut-of-the-rhinoceros-beetle-trypoxylus-dichotomus
#10
Yookyung Lee, Sooyeon Lim, Moon-Soo Rhee, Dong-Ho Chang, Byoung-Chan Kim
Clostridium lituseburense L74 was isolated from the larval gut of the rhinoceros beetle, Trypoxylus dichotomus collected in Yeong-dong, Chuncheongbuk-do, South Korea and subjected to whole genome sequencing on HiSeq platform and annotated on RAST. The nucleotide sequence of this genome was deposited into DDBJ/EMBL/GenBank under the accession NZ_LITJ00000000.
March 2016: Genomics Data
https://www.readbyqxmd.com/read/26924239/whole-genome-sequence-of-erysipelothrix-larvae-lv19-t-kctc-33523-t-a-useful-strain-for-arsenic-detoxification-from-the-larval-gut-of-the-rhinoceros-beetle-trypoxylus-dichotomus
#11
Sooyeon Lim, Moon-Soo Rhee, Dong-Ho Chang, Byoung-Chan Kim
Erysipelothrix larvae LV19(T) was preliminary isolated from the larval gut of a rhinoceros beetle, Trypoxylus dichotomus in Korea. Here, we present the whole genome sequence of E. larvae LV19(T) strain, which consisted of 2,511,486 base pairs with a GC content of 37.4% and one plasmid. Unlike other Erysipelothrix strains (SY 1027, Fujisawa and ATCC 19414), the arsenic-resistance genes were identified in LV19(T) strain.
April 10, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/26858273/rash-caused-by-oryctes-nasicornis
#12
Stefano Veraldi, Daniele Fanoni, Gianluca Nazzaro
We report a case of rash caused by crushing of a male of Oryctes nasicornis (Linnaeus 1758) (Coleoptera, "http:// it. wikipedia. org/ wiki/ Scarabaeidae" \o "Scarabaeidae" Scarabaeidae), popularly known as "European rhinoceros beetle", on the skin of an Italian tourist who developed the reaction during a trip to Turkey. The rash appeared one hour after the crushing of the insect on the skin. The patient was observed one day later, when she returned to Italy. To our knowledge, no similar cases have been reported in the literature...
February 2016: Journal of Travel Medicine
https://www.readbyqxmd.com/read/26608173/erratum-to-erysipelothrix-larvae-sp-nov-isolated-from-the-larval-gut-of-the-rhinoceros-beetle-trypoxylus-dichotomus-coleoptera-scarabaeidae
#13
Byung-Ho Bang, Moon-Soo Rhee, Dong-Ho Chang, Doo-Sang Park, Byoung-Chan Kim
No abstract text is available yet for this article.
January 2016: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/26536591/attraction-to-carbon-dioxide-from-feeding-resources-and-conspecific-neighbours-in-larvae-of-the-rhinoceros-beetle-trypoxylus-dichotomus
#14
Wataru Kojima
Saprophagous (feeding on decaying matter) insects often use carbon dioxide (CO2) as a cue for finding food. Humus-feeding larvae of the giant rhinoceros beetle Trypoxylus dichotomus exhibit a clumped distribution in natural microhabitats, but the mechanisms driving the distribution were unknown. Herein, I examined whether larvae use CO2 as a cue for fermented humus and aggregate in the vicinity of the food. I found that (i) larvae of T. dichotomus are strongly attracted to CO2, (ii) larvae orient toward highly fermented humus when given a choice between highly and poorly fermented humus, (iii) the highly fermented humus emits more CO2 than the poorly fermented humus, and (iv) larvae grow larger when fed highly fermented humus rather than poorly fermented humus...
2015: PloS One
https://www.readbyqxmd.com/read/26030396/circulating-hemocytes-from-larvae-of-the-japanese-rhinoceros-beetle-allomyrina-dichotoma-linnaeus-coleoptera-scarabaeidae-and-the-cellular-immune-response-to-microorganisms
#15
Sejung Hwang, Kyeongrin Bang, Jiae Lee, Saeyoull Cho
Hemocytes of the last larva of the Japanese rhinoceros beetle A. dichotoma (Linnaeus) (Coleoptera: Scarabaeidae) were classified as granulocytes, plasmatocytes, oenocytoids, spherulocytes, prohemocytes, and adipohemocytes. Among these cell types, only the granulocytes became immunologically activated with obvious morphological changes, displaying large amoeba-like, lobopodia-like, and fan-like structures. In addition, their cytoplasmic granules became larger and greatly increased in number. To explore whether these granules could be immunologically generated as phagosomes, total hemocytes were stained with LysoTracker...
2015: PloS One
https://www.readbyqxmd.com/read/25765317/first-report-of-oryctes-rhinoceros-nudivirus-coleoptera-scarabaeidae-causing-severe-disease-in-allomyrina-dichotoma-in-korea
#16
Seokhyun Lee, Kwan-Ho Park, Sung-Hee Nam, Kyu-Won Kwak, Ji-Young Choi
Oryctes rhinoceros nudivirus (OrNV) has been known to cause severe disease in coconut palm rhinoceros beetle, Oryctes rhinoceros, in Southeastern Asia and is used as a biological control to reduce the pest population. Here, we report for the first time that the OrNV may have landed on Korea and may be the major pathogen for diseased larvae of Korean horn beetle, Allomyrina dichotoma. After peroral inoculation, over 60% of infected larvae perished in 6 wk. This viral disease spreads very fast in several locations throughout Korea...
2015: Journal of Insect Science
https://www.readbyqxmd.com/read/25534074/erysipelothrix-larvae-sp-nov-isolated-from-the-larval-gut-of-the-rhinoceros-beetle-trypoxylus-dichotomus-coleoptera-scarabaeidae
#17
Byung-Ho Bang, Moon-Soo Rhee, Dong-Ho Chang, Doo-Sang Park, Byoung-Chan Kim
A novel, Gram-stain positive, facultative anaerobic, non-motile and straight to curve rod shaped bacterium, strain LV19(T) was isolated from the larval gut of the rhinoceros beetle, Trypoxylus dichotomus, which was collected from Yeong-dong, Chuncheongbuk-do, South Korea. The colonies of the new isolate were convex, circular, cream white in color and 1-2 mm in diameter after 3 days incubation on Tryptic Soy Agar at 37 °C. Based on the 16S rRNA gene sequence similarity, the new isolate was most closely related to Erysipelothrix inopinata MF-EP02(T), E...
February 2015: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/25527574/seasonal-and-nocturnal-activities-of-the-rhinoceros-borer-coleoptera-scarabaeidae-in-the-north-saharan-oases-ecosystems
#18
M'hammed Ehsine, Mohamed Sadok Belkadhi, Mohammed Chaieb
The rhinoceros borer Oryctes agamemnon Burmeister (Coleoptera: Scarabaeidae) is a date palm insect pest that causes damage to trunk and roots of palm trees in several countries, including Tunisia, the United Arab Emirates (UAE), Oman, and Saudi Arabia. The aim of this study was to monitor the seasonal and nocturnal activities of this beetle. Experiments were performed on a date palm of Rjim Maatoug during a 6-yr period (2004-2007, 2009-2010). Field survey using light traps shows that O. agamemnon is a univoltine, with a single population peak...
2014: Journal of Insect Science
https://www.readbyqxmd.com/read/25205932/primary-structure-of-an-adipokinetic-neuropeptide-from-the-rhinoceros-beetle-oryctes-rhinoceros-l-coleoptera-dynastidae
#19
A P Ajay Kumar, M Gokuldas
BACKGROUND: Neuropeptides play an important role in cellular communication in vertebrates. This is also true for insects in which many physiological, developmental and behavioral processes are affected by neuropeptides produced in neurosecretory cells of the retrocerebral complex. Small neuropeptides of the adipokinetic hormone/red pigment concentrating hormone family (AKH/RPCH) are one of the important groups of peptides that regulate physiological homeostasis. PURPOSE: The present investigation was carried out to elucidate the primary structure of adipokinetic neuropeptides in the rhinoceros beetle, O...
July 2011: Annals of Neurosciences
https://www.readbyqxmd.com/read/25201949/structural-adaptations-to-diverse-fighting-styles-in-sexually-selected-weapons
#20
Erin L McCullough, Bret W Tobalske, Douglas J Emlen
The shapes of sexually selected weapons differ widely among species, but the drivers of this diversity remain poorly understood. Existing explanations suggest weapon shapes reflect structural adaptations to different fighting styles, yet explicit tests of this hypothesis are lacking. We constructed finite element models of the horns of different rhinoceros beetle species to test whether functional specializations for increased performance under species-specific fighting styles could have contributed to the diversification of weapon form...
October 7, 2014: Proceedings of the National Academy of Sciences of the United States of America
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