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https://www.readbyqxmd.com/read/29329292/transcriptome-profiling-with-focus-on-potential-key-genes-for-wing-development-and-evolution-in-megaloprepus-caerulatus-the-damselfly-species-with-the-world-s-largest-wings
#1
Wiebke Feindt, Sara J Oppenheim, Robert DeSalle, Paul Z Goldstein, Heike Hadrys
The evolution, development and coloration of insect wings remains a puzzling subject in evolutionary research. In basal flying insects such as Odonata, genomic research regarding bauplan evolution is still rare. Here we focus on the world's largest odonate species-the "forest giant" Megaloprepus caerulatus, to explore its potential for looking deeper into the development and evolution of wings. A recently discovered cryptic species complex in this genus previously considered monotypic is characterized by morphological differences in wing shape and color patterns...
2018: PloS One
https://www.readbyqxmd.com/read/29245726/-i-drepanosticta-rahmani-i-sp-nov-from-kedah-malaysia-odonata-zygoptera-platystictidae
#2
Rory A Dow, Chee Yen Choong, Yong Foo Ng
Drepanosticta rahmani sp. nov. (holotype ♂, steep tributary to stream in hills between Baling and Gulai, north west Kedah, Malaysia, 15 xi 2016, leg. R.A. Dow, to be deposited in the Natural History Museum, London) is described from both sexes.
October 24, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245692/description-of-i-coeliccia-bhriulieci-i-sp-nov-odonata-zygoptera-platycnemididae-from-central-vietnam
#3
VAN Quang To, Quoc Toan Phan, VAN Bang Tran
Coeliccia bhriulieci sp. nov. (holotype male from Tay Giang district, Quang Nam province, central Vietnam, deposited in the Zoological collection of the Southern Institute of Ecology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam) is described based on male specimens. The new species is easily distinguished from other Coeliccia species in the Southeast Asian region by the combination of its blue abdominal tip, black anal appendages and structure of genital ligula with two long flagella extending from lateral corners of apical segment...
October 31, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245675/-i-coeliccia-i-i-rolandorum-i-sp-nov-from-eastern-cambodia-and-southern-vietnam-the-eastern-relative-of-i-c-kazukoae-i-asahina-1984-odonata-platycnemididae
#4
Oleg E Kosterin, Tom Kompier
Coeliccia rolandorum sp. nov. is described from the eastern Cambodia (holotype: Cambodia, Mondulkiri Province, Buu Sraa Waterfall environs, 12°34' N 107°24' E, ~780 m a.s.l., 16 June 2014, RMNH) and southern and central Vietnam. It is related to C. kazukoae, which is known from the Cardamom and Sankamphaeng Mts., and replaces it in eastern Indochina. New distributional data on C. kazukoae are presented and its characters are discussed with respect to their change with age.
November 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245635/updated-information-on-genus-i-gomphidictinus-i-odonata-gomphidae-in-china-with-description-of-i-gomphidictinus-i-i-tongi-i-sp-nov
#5
Hao-Miao Zhang, Zhao-Ying Guan, Wen-Zhi Wang
A new gomphid species, named as Gomphidictinus tongi sp. nov. (Holotype male, Mt. Diaoluoshan, altitude 930m a.s.l., Lingshui County, Hainan Province, China) is described here. It is regarded as the third species of Gomphidictinus based on the presence of the basal spine on median segment of the penis organ. Gomphidia interruptistria Zha, Zhang & Zheng, 2005 is regarded as a junior synonym of Gomphidictinus perakensis (Laidlaw, 1902), which is recorded from Yunnan, China.
November 7, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245585/the-genus-i-heteragrion-i-odonata-zygoptera-in-northwestern-colombia-with-the-description-of-i-heteragrion-i-i-tatama-i-sp-nov
#6
Cornelio Andrés Bota-Sierra, Rodolfo Novelo-Gutiérrez
The Neotropical forest specialist genus Heteragrion counts with 54 species and one subspecies described to date, eight of which have been recorded from Colombia. Here, information on Heteragrion species resulting from ten years of exploration of northwestern Colombia and examination of museum collections, including types and species from Central America, is presented. A new species endemic to the Tatamá National Park in the western Andes, Heteragrion tatama sp. nov. is described, as well as the female of Heteragrion aequatoriale Selys, 1886...
November 14, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245533/-i-oligoaeschna-i-i-sirindhornae-i-sp-nov-a-new-dragonfly-species-from-thailand-odonata-anisoptera-aeshnidae
#7
Robin W J Ngiam, Albert G Orr
Oligoaeschna sirindhornae sp. nov. is described from a male from Sakaerat Silvicultural Research Station, Nakhon Ratchasima Province in Thailand. It is the only known Oligoaeschna species recorded from Thailand since Oligoaeschna pramoti (Yeh, 2000) and Oligoaeschna minuta (Hämäläinen & Pinratana, 1999) were transferred to the genus Sarasaeschna.
November 22, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245467/revision-of-the-genus-i-leptogomphus-i-selys-in-borneo-including-gene-trees-and-a-two-marker-molecular-phylogeny-odonata-anisoptera-gomphidae
#8
Rory A Dow, Frank Stokvis, Robin W J Ngiam
The Bornean members of the genus Leptogomphus Selys are revised. Two new species are described: Leptogomphus schieli sp. nov. (holotype ♂, Gunung Penrissen, Kuching Division, Sarawak, Malaysia, to be deposited in BMNH) and Leptogomphus sii sp. nov. (holotype ♂, Sungai Sii, upper Baram, Miri Division, Sarawak, Malaysia, in RMNH). Leptogomphus mariae Lieftinck, 1948 is considered to be a junior synonym of L. coomansi Laidlaw, 1936. The true male of L. pasia van Tol, 1990 is described for the first time; male specimens previously treated as L...
November 29, 2017: Zootaxa
https://www.readbyqxmd.com/read/29245451/a-synopsis-of-the-neotropical-genus-i-protoneura-i-odonata-coenagrionidae
#9
Natalia VON Ellenrieder, Rosser W Garrison
A synopsis of the Neotropical genus Protoneura is presented, including an identification key to its 22 species accompanied by illustrations of diagnostic characters, and characterizations, diagnoses, and distribution maps for all species. A lectotype is designated for P. peramans Calvert in Skinner, 1902.
December 1, 2017: Zootaxa
https://www.readbyqxmd.com/read/29191794/the-antennae-of-damselfly-larvae
#10
Silvana Piersanti, Manuela Rebora
The larval antennal sensilla of two Zygoptera species, Calopteryx haemorroidalis (Calopterygidae) and Ischnura elegans (Coenagrionidae) are investigated with SEM and TEM. These two species have different antennae (geniculate, setaceous) and live in different environments (lotic, lentic waters). Notwithstanding this, similarities in the kind and distribution of sensilla are outlined: in both species the majority of sensilla types is located on the apical portion of the antenna, namely a composed coeloconic sensillum (possible chemoreceptor), two other coeloconic sensilla (possible thermo-hygroreceptors) and an apical seta (direct contact mechanoreceptor)...
November 27, 2017: Arthropod Structure & Development
https://www.readbyqxmd.com/read/29062853/faunistic-study-of-the-aquatic-arthropods-in-a-tourism-area-in-northern-iran
#11
Mansoureh Shaeghi, Hossein Dehghan, Kamran Pakdad, Fatemeh Nikpour, Azad Absavaran, Aioub Sofizadeh, Amir Ahmad Akhavan, Hassan Vatandoost, Abbass Aghai-Afshar
BACKGROUND: Aquatic insects are very abundant and divers groups of insects that are associated with an aquatic or semiaquatic environment in one or more of their life stages. These insects have been, in some cases, well studied because they are vectors of several diseases. This is the first comprehensive faunistic study of aquatic insects from Babol County. The results may provide basic data for further taxonomic and ecological studies of aquatic insects as biological control agent or classification of water quality for the country...
June 2017: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/29051502/comparative-transcriptomics-reveal-developmental-turning-points-during-embryogenesis-of-a-hemimetabolous-insect-the-damselfly-ischnura-elegans
#12
Sabrina Simon, Sven Sagasser, Edoardo Saccenti, Mercer R Brugler, M Eric Schranz, Heike Hadrys, George Amato, Rob DeSalle
Identifying transcriptional changes during embryogenesis is of crucial importance for unravelling evolutionary, molecular and cellular mechanisms that underpin patterning and morphogenesis. However, comparative studies focusing on early/embryonic stages during insect development are limited to a few taxa. Drosophila melanogaster is the paradigm for insect development, whereas comparative transcriptomic studies of embryonic stages of hemimetabolous insects are completely lacking. We reconstructed the first comparative transcriptome covering the daily embryonic developmental progression of the blue-tailed damselfly Ischnura elegans (Odonata), an ancient hemimetabolous representative...
October 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28990479/laboratory-rearing-system-for-ischnura-senegalensis-insecta-odonata-enables-detailed-description-of-larval-development-and-morphogenesis-in-dragonfly
#13
Genta Okude, Ryo Futahashi, Masahiko Tanahashi, Takema Fukatsu
In an attempt to establish an experimental dragonfly model, we developed a laboratory rearing system for the blue-tailed damselfly, Ischnura senegalensis. Adoption of multi-well plastic plates as rearing containers enabled mass-rearing of isolated larvae without cannibalism and convenient microscopic monitoring of individual larvae. Feeding Artemia brine shrimps to younger larvae and Tubifex worms for older larvae resulted in low mortality, synchronized ecdysis, and normal development of the larvae. We continuously monitored the development of 118 larvae every day, of which 49 individuals (41...
October 2017: Zoological Science
https://www.readbyqxmd.com/read/28904788/biogeography-and-systematics-of-endemic-island-damselflies-the-nesobasis-and-melanesobasis-odonata-zygoptera-of-fiji
#14
Christopher D Beatty, Melissa Sánchez Herrera, Jeffrey H Skevington, Arash Rashed, Hans Van Gossum, Scott Kelso, Thomas N Sherratt
The study of island fauna has greatly informed our understanding of the evolution of diversity. We here examine the phylogenetics, biogeography, and diversification of the damselfly genera Nesobasis and Melanesobasis, endemic to the Fiji Islands, to explore mechanisms of speciation in these highly speciose groups. Using mitochondrial (COI, 12S) and nuclear (ITS) replicons, we recovered garli-part maximum likelihood and mrbayes Bayesian phylogenetic hypotheses for 26 species of Nesobasis and eight species/subspecies of Melanesobasis...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28886032/emergence-phenology-uncertainty-and-the-evolution-of-migratory-behavior-in-anax-junius-odonata-aeshnidae
#15
Michael L May, John A Gregoire, Suzanne M Gregoire, Maria Aliberti Lubertazzi, John H Matthews
Mass migrations by Odonata, although less studied than those of Monarch butterflies and plague locusts, have provoked comment and study for many years. Relatively recently, increasing interest in dragonflies, supported by new technologies, has resulted in more detailed knowledge of the species involved, behavioral mechanisms, and geographic extent. In this paper we examine, in four independent but complementary studies, how larval habitat and emergence phenology interact with climate to shape the evolution of migratory strategy in Anax junius, a common species throughout much of the eastern United States and southern Canada...
2017: PloS One
https://www.readbyqxmd.com/read/28823108/temperature-effect-on-the-development-of-tropical-dragonfly-eggs
#16
F Z Mendonça, J V Bernardy, C E K Oliveira, P B G Oliveira, P De Marco
Physiological constraints in insects are related to several large-scale processes such as species distribution and thermal adaptation. Here, we fill an important gap in ecophysiology knowledge by accessing the relationship between temperature and embrionary development time in four dragonfly species. We evaluated two questions (1) what is the effect of temperature on the development time of Odonata eggs, and (2) considering a degree-day relationship, could a simple linear model describe the dependence of embrionary development time on temperature or it is better described by a more complex non-linear relation...
August 19, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28770086/the-role-of-macroinvertebrates-for-conservation-of-freshwater-systems
#17
Carolina Nieto, Ximena M C Ovando, Rafael Loyola, Andrea Izquierdo, Fátima Romero, Carlos Molineri, José Rodríguez, Paola Rueda Martín, Hugo Fernández, Verónica Manzo, María José Miranda
Freshwater ecosystems are the most threatened ecosystems worldwide. Argentinian-protected areas have been established mainly to protect vertebrates and plants in terrestrial ecosystems. In order to create a comprehensive biodiverse conservation plan, it is crucial to integrate both aquatic and terrestrial systems and to include macroinvertebrates. Here, we address this topic by proposing priority areas of conservation including invertebrates, aquatic ecosystems, and their connectivity and land uses. LOCATION: Northwest of Argentina...
July 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28752773/estimating-the-barcoding-gap-in-a-global-dataset-of-cox1-sequences-for-odonata-close-but-no-cigar
#18
Ricardo Koroiva, Sebastian Kvist
We evaluated the extent of intraspecific and interspecific genetic distances for two highly diverse infraorders of Odonata: Anisoptera and Zygoptera. All cytochrome c oxidase subunit I sequences (cox1), the region chosen for zoological DNA barcoding, present in GenBank for each infraorder were downloaded and curated. For Anisoptera, the final dataset consisted of 2,961 individual cox1 sequences for 536 species and the equivalent numbers for Zygoptera were 2,477 sequences for 497 species. More than 7 million individual genetic comparisons were made and the results indicated that there is a tendency towards a barcoding gap, but that the size of the gap may not be sufficient to robustly infer identities for some taxa...
July 28, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28662042/response-of-adult-dragonflies-to-artificial-prey-of-different-size-and-colour
#19
Tammy M Duong, Ann B Gomez, Thomas N Sherratt
Aposematism is an evolved, cross-species association between a preys' unprofitability and the presence of conspicuous signals. Avian predators have been widely employed to understand the evolution of these warning signals However, insect predators are abundant, diverse, and highly visual foragers that have been shown to be capable of learned aversion. Therefore, it is likely that their behaviour also shapes the nature of anti-predator traits. In this study, we evaluated the rates of attack of a community (13 species) of mature adult dragonflies (Odonata) on artificial prey of varying size (2...
2017: PloS One
https://www.readbyqxmd.com/read/28610344/a-new-species-of-the-genus-burmagomphus-williamson-odonata-gomphidae-from-northern-thailand
#20
Noppadon Makbun
Burmagomphus chiangmaiensis sp. nov. (holotype: Ban Luang, Chom Thong, Chiang Mai province, Thailand, 890-900 m, 14 v 2012) is described and illustrated. It can be differentiated from its most similar congener, B. apricus from China, by shape of posterior hamulus, yellow trapezoid band on occiput, and larger size.
May 19, 2017: Zootaxa
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