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2019

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Articles 1021 - 1050 of 1256

Full-Text Articles in Animal Sciences

Do Disturbed Environments Affect Density Of The Tunnel-Web Spider Acanthogonatus Centralis (Mygalomorphae: Nemesiidae) From Native Grasslands In Argentina?, Gabriel Pompozzi, Leonela Schwerdt, Sofia Copperi, Nelson Ferretti Jan 2019

Do Disturbed Environments Affect Density Of The Tunnel-Web Spider Acanthogonatus Centralis (Mygalomorphae: Nemesiidae) From Native Grasslands In Argentina?, Gabriel Pompozzi, Leonela Schwerdt, Sofia Copperi, Nelson Ferretti

Turkish Journal of Zoology

Disturbance is an important factor affecting community composition and biodiversity in natural ecosystems. The Ventania hill system in central Argentina presents several ecosystem disturbances. Spiders are good candidates for studies related to human impact and conservation, as they can be good biological indicators of certain ecosystems. Therefore, we tried to elucidate if the abundance and spatial distribution of the mygalomorph spider Acanthogonatus centralis (Nemesiidae) are affected by different degrees of disturbance in these hilly grasslands. We studied 3 sites with different levels of disturbance located in the Ventania system in southwestern Buenos Aires Province, Argentina. We did not find differences …

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Sexual Dimorphism In Antennal Sensilla Of Parthenium Beetle Zygogramma Bicolorata, Ishana Qadir, Ayesha Qamar Jan 2019

Sexual Dimorphism In Antennal Sensilla Of Parthenium Beetle Zygogramma Bicolorata, Ishana Qadir, Ayesha Qamar

Turkish Journal of Zoology

In the present study, scanning electron microscopy was used to investigate the ultrastructure of sensilla present on the antennae of male and female Zygogramma bicolorata. The antennae in this insect consist of the scape, pedicel, and nine flagellomeres. Six types of sensilla were identified: sensilla trichodea type 1 and 2 (ST1, ST2), sensilla cavitae (SCa), sensilla chaetica (SCh), and sensilla basiconica type 1 and 2 (SB1, SB2). Sensilla were characterized on the basis of their size and density to find out whether sexual dimorphism exists in this species or not. We observed that the size of the antennomeres was comparatively …

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Earthworm, A Novel In Vivo System To Validate Antimitotic Compounds, Kamaraj Rajamanikkam, Subramaniam Elaiya Raja, Senthamarai Kannan Balaji, Ganapathy Nadana Rajavadivu, Sudhakar Sivasubramaniam, Karuppaiah Palanichelvam Jan 2019

Earthworm, A Novel In Vivo System To Validate Antimitotic Compounds, Kamaraj Rajamanikkam, Subramaniam Elaiya Raja, Senthamarai Kannan Balaji, Ganapathy Nadana Rajavadivu, Sudhakar Sivasubramaniam, Karuppaiah Palanichelvam

Turkish Journal of Zoology

We report here that earthworm can be used as an in vivo system to prescreen antimitotic compounds. The known antimitotic compound colchicine and the aqueous extract of Acorus calamus L. rhizome were used to examine this system. The antimitotic activity of colchicine and the rhizome extract was confirmed by methods with Allium cepa root tip, earthworm regeneration, and MTT (3-(4,5-dimethyl thiazolyl-2-yl)-2,5-diphenyltetrazolium bromide). An earthworm regeneration assay examined the regeneration ability of tissues from amputated regions of the earthworm. All 3 assays showed that cell division is inhibited with colchicine and the aqueous extract of A. calamus rhizome. Histology studies with …

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A New Species Of The Genus Echinolaophonte Nicholls, 1941 (Copepoda, Harpacticoida, Laophontidae) From The Aegean Sea Coast Of Turkey, Seher Kuru, Serdar Sönmez, Suphan Karaytuğ Jan 2019

A New Species Of The Genus Echinolaophonte Nicholls, 1941 (Copepoda, Harpacticoida, Laophontidae) From The Aegean Sea Coast Of Turkey, Seher Kuru, Serdar Sönmez, Suphan Karaytuğ

Turkish Journal of Zoology

During the ongoing partial taxonomic revision of the genus Echinolaophonte on the basis of populations previously collected from various shores of the Turkish coasts, a new species of Echinolaophonte was discovered and named Echinolaophonte mordoganensis sp. nov. The new species is morphologically most closely related to E. minuta and E. veniliae. The new species can easily be distinguished from its congeners by the combination of the following features: i) the shape of the rostrum, ii) having 2 ornamented setae instead of 1 on the syncoxa of the maxilliped, and iii) pattern difference in the P1?P4 setal formula in both male …

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New Species And New Records Of Aphelinus Dalman (Hymenoptera: Chalcidoidea: Aphelinidae) From Lagodekhi Reserve (Sakartvelo - Georgia), With Diversity And Distribution Along An Elevational Gradient, George Japoshvili, Levan Mumladze Jan 2019

New Species And New Records Of Aphelinus Dalman (Hymenoptera: Chalcidoidea: Aphelinidae) From Lagodekhi Reserve (Sakartvelo - Georgia), With Diversity And Distribution Along An Elevational Gradient, George Japoshvili, Levan Mumladze

Turkish Journal of Zoology

The aim of the present study was to investigate species diversity and distribution of Aphelinus species in an elevational gradient in the Lagodekhi Reserve (Sakartvelo - Georgia) throughout a growing season. Two species of Aphelinus Dalman, 1820 (Hymenoptera: Aphelinidae), A. humilis Mercet and A. thomsoni Graham, are recorded for the first time from Georgia and the Caucasus and two species (A. lagodekhiensis sp. nov. and A. sugonjaevi sp. nov.) are described as new to science. To facilitate species identification we have developed a key to the females of all 24 species of Aphelinus currently known from the Middle East and …

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Hucho Hucho (Linnaeus, 1758): Last Natural Viable Population In The Eastern Carpathians ? Conservation Elements, Angela Curtean Banaduc, Sasa Maric, Guti Gabor, Alexander Didenko, Sonia Rey Planellas, Doru Banaduc Jan 2019

Hucho Hucho (Linnaeus, 1758): Last Natural Viable Population In The Eastern Carpathians ? Conservation Elements, Angela Curtean Banaduc, Sasa Maric, Guti Gabor, Alexander Didenko, Sonia Rey Planellas, Doru Banaduc

Turkish Journal of Zoology

There is great variation in the conservation status of the last habitats with long-term natural viable populations of the salmon species Hucho hucho in Maramureş Mountains Nature Park, Eastern Carpathians (Romania). According to the specific guidelines for Natura 2000, 42.11% are in good conservation status, 31.57% are of average status, and 26.32% are in a partially degraded condition. In this study area, 6 main risk elements were identified related to human impact on the environment: poaching, minor riverbed mor-phodynamic changes, liquid and solid natural flow disruption, habitat fragmentation leading to isolation of fish populations, organic and mining pollution, and destruction …

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Histological And Histochemical Study On The Mesonephric Kidney Of Pelophylax Bedriagae (Anura: Ranidae), Esra Akat Jan 2019

Histological And Histochemical Study On The Mesonephric Kidney Of Pelophylax Bedriagae (Anura: Ranidae), Esra Akat

Turkish Journal of Zoology

The purpose of this study was to determine the histological structure of the kidney of Pelophylax bedriagae and the distribution of hyaluronic acid (HA) in the kidney tissue. The kidneys of P. bedriagae are long, brown, ribbon-like structures covered with connective tissue. Nephrons, the functional units of the kidney, consist of the renal corpuscle, proximal and distal tubules, collecting tubule, and collecting duct. The renal corpuscle is composed of the glomerulus and Bowman?s capsule. There is no structure similar to Henle?s loop, which is found in higher vertebrates. The visceral layer of Bowman?s capsule is composed of podocytes surrounding the …

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A New Erigonine Genus From The Nepal Himalayas (Araneae, Linyphiidae), Andrei V. Tanasevitch Jan 2019

A New Erigonine Genus From The Nepal Himalayas (Araneae, Linyphiidae), Andrei V. Tanasevitch

Turkish Journal of Zoology

A new genus, Parbatthorax gen. nov., with P. unicornis sp. nov. as type species, is described from the Nepal Himalayas. The genus is characterized by the highly modified palpal tibia and the paracymbium, as well as by the peculiar structure of the embolic division, which contains a convector.

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A New Species Of Parasteatoda Archer, 1946 (Araneae, Theridiidae) From Wuling Mountain, China, Sufang Yang, Muhammad Irfan, Xianjin Peng Jan 2019

A New Species Of Parasteatoda Archer, 1946 (Araneae, Theridiidae) From Wuling Mountain, China, Sufang Yang, Muhammad Irfan, Xianjin Peng

Turkish Journal of Zoology

Parasteatoda aequipeiformis sp. nov. (male and female) is described from Wuling Mountain, China. Distribution data, detailed morphological characteristics, and illustrations of body and genital organs are presented.

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First Record Of The Genus Spilomyia (Diptera, Syrphidae) From The Oriental Region, Aijaz Ahmad Wachkoo, Jeroen Van Steenis, Zubair Ahmad Rather, Jayita Sengupta, Dhriti Banerjee Jan 2019

First Record Of The Genus Spilomyia (Diptera, Syrphidae) From The Oriental Region, Aijaz Ahmad Wachkoo, Jeroen Van Steenis, Zubair Ahmad Rather, Jayita Sengupta, Dhriti Banerjee

Turkish Journal of Zoology

Spilomyia manicata (Rondani, 1865) is reported as a new genus and species record from India and the Oriental region. A brief diagnosis, images, and comparison with allied species are provided to scientifically validate this new faunal record from the Indian subcontinent and to facilitate its prompt identification. The species shows rare distribution across its range, and various factors pose a threat to the existence of this large pollinator species. Therefore, the documentation of this species assumes significance for devising conservation strategies and sustainable management.

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Hibernation Perturbs The Number Of Hemocytes And Causes Hematological Turnover: Basal Traits To Understand Season-Dependent Physiological Variations In Helix Pomatia (Gastropoda: Helicidae), Damir Suljevic, Erna Islamagic, Alen Hamzic, Nadja Zubcevic, Andi Alijagic Jan 2019

Hibernation Perturbs The Number Of Hemocytes And Causes Hematological Turnover: Basal Traits To Understand Season-Dependent Physiological Variations In Helix Pomatia (Gastropoda: Helicidae), Damir Suljevic, Erna Islamagic, Alen Hamzic, Nadja Zubcevic, Andi Alijagic

Turkish Journal of Zoology

The total number of hemocytes and their morphological characteristics were analyzed in Helix pomatia Linnaeus, 1758, by light microscopy during different phases of hibernation. Three types of hemocytes were identified: hyalinocytes, agranulocytes, and granulocytes. Total number of hemocytes decreased significantly during hibernation. Most intensive changes in cell size, morphology, and appearance of special structures in granulocytes happened during the hibernation period itself. Termination of hibernation coincides with very important granulocyte transformation and the appearance of specific gigantic short-lived cells. All of the changes in cell number and morphology are characteristics of different hibernation phases and have a major role in …

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Endangered Basra Reed-Warbler (Acrocephalus Griseldis) Recorded For The First Time In Turkey (Aves: Acrocephalidae), Montague H. C. Neate-Clegg, Juan Ramírez Román, Berkan Demi̇r, Çağan Hakki Şekerci̇oğlu Jan 2019

Endangered Basra Reed-Warbler (Acrocephalus Griseldis) Recorded For The First Time In Turkey (Aves: Acrocephalidae), Montague H. C. Neate-Clegg, Juan Ramírez Román, Berkan Demi̇r, Çağan Hakki Şekerci̇oğlu

Turkish Journal of Zoology

The Basra Reed-warbler (Acrocephalus griseldis) is an endangered songbird that breeds in the reed beds of southern Mesopotamia. Hydrological projects, war, and drought have greatly reduced the breeding habitat of this species, making its future uncertain. The first Basra Reed-warbler for Turkey was caught in a mist net on 22 May 2018 at the Aras River Ornithological Research Station, between the provinces of Kars and Iğdır. This represents one of only a few vagrant records in the eastern Mediterranean, and the northernmost record to date. It is likely that this bird was an overshooting spring migrant, but the existence of …

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Description Of Pseudoameiropsis Suphankaraytugi Sp. Nov.(Copepoda: Harpacticoida: Ameiridae) With The First Report Of The Genus Pseudoameiropsis Pallares, 1982 Outside Of The South Atlantic Ocean, Serdar Sönmez Jan 2019

Description Of Pseudoameiropsis Suphankaraytugi Sp. Nov.(Copepoda: Harpacticoida: Ameiridae) With The First Report Of The Genus Pseudoameiropsis Pallares, 1982 Outside Of The South Atlantic Ocean, Serdar Sönmez

Turkish Journal of Zoology

A new species of the monotypic genus Pseudoameiropsis was found in samples collected from the eastern Mediterranean coast of Turkey. The new species can be separated from P. argentinus by the armature formula in the endopod of the second to fourth swimming legs (0, 1, 021; 0, 1, 121; 0, 1, 121 in P. argentinus, but 1, 1, 221; 1, 1, 221; 1, 1, 221 in the new species), and armature complement in the third exopodal segment of the fourth swimming leg (with eight setae/spines in the new species, but seven elements in P. argentinus). The general shape and armature …

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Trophic Analysis And Parasitological Aspects Of Liolaemus Parvus (Iguania: Liolaemidae) In The Central Andes Of Argentina, Gabriel Natalio Castillo, Juan Carlos Acosta, Graciela Mirta Blanco Jan 2019

Trophic Analysis And Parasitological Aspects Of Liolaemus Parvus (Iguania: Liolaemidae) In The Central Andes Of Argentina, Gabriel Natalio Castillo, Juan Carlos Acosta, Graciela Mirta Blanco

Turkish Journal of Zoology

The objective of this study was to describe temporal variations in the diet and parasitological aspects in Liolaemus parvus. In order to examine the diet, we determined the volume, numerousness, and frequency of occurrence for each prey item and calculated the relative importance index. We removed nematodes from the stomach and estimated parasitic indicators. Liolaemus parvus presents an active searching mode. It is a predominantly insectivorous species with low intake of plant material and a specialist in feeding on prey items of the family Formicidae, although it also feeds on other arthropods like coleopterans, hemipterans, and spiders. We found temporal …

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Less Rare Than We Thought: Two New Localities For Piseinotecus Soussi Tamsouri,Carmona, Moukrim & Cervera, 2014 Along The Tyrrhenian Coast, Giulia Furfaro, Paolo Mariottini Jan 2019

Less Rare Than We Thought: Two New Localities For Piseinotecus Soussi Tamsouri,Carmona, Moukrim & Cervera, 2014 Along The Tyrrhenian Coast, Giulia Furfaro, Paolo Mariottini

Turkish Journal of Zoology

The geographic range of Piseinotecus soussi Tamsouri, Carmona, Moukrim & Cervera, 2014 is here updated, since it was found in two new localities along the Tyrrhenian coast of the Mediterranean Sea. Furthermore, to confirm the identity of specimens recorded, a DNA barcoding approach was carried out using mitochondrial cytochrome c oxidase subunit I (COI) as it is the molecular marker mostly used in barcoding analysis in nudibranchs.

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First Dna Barcodes And Records Of Sciaridae (Insecta, Diptera) From Romania, Levente Péter Kolcsár, Kai Heller Jan 2019

First Dna Barcodes And Records Of Sciaridae (Insecta, Diptera) From Romania, Levente Péter Kolcsár, Kai Heller

Turkish Journal of Zoology

Sciaridae or the dark-winged fungus gnats fauna of southern and eastern Europe is very poorly known. A total of 29 species were identified from Romania, of which 20 species are reported here for the first time from the country. An updated checklist of dark-winged fungus gnats (Sciaridae) of Romania is provided. DNA barcodes of 39 specimens belonging to 21 species were successfully sequenced, of which some were previously unknown or undetected.

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Efficiency Of Pitfall Traps And Snap Traps In Small Terrestrial Mammals Depends On Their Diet Composition, Ladislav Cepelka, Radek Michalko, Emanuel Kula Jan 2019

Efficiency Of Pitfall Traps And Snap Traps In Small Terrestrial Mammals Depends On Their Diet Composition, Ladislav Cepelka, Radek Michalko, Emanuel Kula

Turkish Journal of Zoology

We compared the monitoring of small terrestrial mammals among forest stands by pitfalls and snap traps. The captures took place in the Czech Republic in the Moravskoslezske Beskydy Mts. (2007?2012) on 16 plots in adult beech and spruce stands between 910 and 1220 m a.s.l. In total, 14 species of small mammals were captured (12 in the snap traps and 10 in the pitfalls). Snap traps captured the broader species spectrum and they were more successful in capturing larger species of small terrestrial mammals consuming a higher proportion of plant food (mice, and in particular voles). The pitfalls were more …

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Identification And Expression Of Dmrt1 And Sox9 During The Gonadal Differentiation Of Rana Chensinensis, Xin-Yi Li, Wen-Jie Jin, Lei Lei, Yuhui Zhang Jan 2019

Identification And Expression Of Dmrt1 And Sox9 During The Gonadal Differentiation Of Rana Chensinensis, Xin-Yi Li, Wen-Jie Jin, Lei Lei, Yuhui Zhang

Turkish Journal of Zoology

Gonadal sex differentiation proceeds by the interplay of various genes including the transcription factors and secretory factors in a complex network. Dmrt1 and Sox9 were considered to be the essential genes involved in the testicular differentiation in mammals, birds, reptiles, and fishes. Here, we have successfully isolated and characterized cDNAs encoding the Rana chensinensis orthologs of Dmrt1 and Sox9, and we have determined patterns of expression during gonadal differentiation and adult tissues. At the molecular level, a clear sexual dimorphism of rcDmrt1 and rcSox9 was observed in the gonad-mesonephros complex or gonads of tadpoles during stages 26-46. The rcDmrt1 transcript …

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Macrobiotus Noemiae Sp. Nov., A New Tardigrade Species(Macrobiotidae: Hufelandi Group) From Spain, Milena Roszkowska, Lukasz Kaczmarek Jan 2019

Macrobiotus Noemiae Sp. Nov., A New Tardigrade Species(Macrobiotidae: Hufelandi Group) From Spain, Milena Roszkowska, Lukasz Kaczmarek

Turkish Journal of Zoology

A reexamination of the tardigrade collection from the Museo Nacional de Ciencias Naturales (MNCN) in Madrid was carried out. Specimens from the genera Milnesium, Macrobiotus, and Paramacrobiotus were verified in order to provide their correct identification and 15 taxa were identified. Moreover, a list of corrected species identifications from MNCN is provided. Fourteen specimens and 16 eggs, identified previously as Macrobiotus recens, were attributed to a species new for science. Macrobiotus noemiae sp. nov. is most similar to Mac. naskreckii and Mac. recens but it differs from them by details of egg morphology, mainly by the presence of thin flexible …

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Investigation Of Zooplankton Fauna In Water Wells Of Yayladağı District (Hatay, Turkey), Ahmet Bozkurt, Mustafa Bozça Jan 2019

Investigation Of Zooplankton Fauna In Water Wells Of Yayladağı District (Hatay, Turkey), Ahmet Bozkurt, Mustafa Bozça

Turkish Journal of Zoology

In this study, water quality parameters and zooplankton fauna were investigated from 14 different water wells in Yayladağı District of Hatay Province. The study was conducted seasonally between October 2015 and July 2016. A total of 51 species were identified, including 30 species of rotifers, 9 species of cladocerans, and 12 species of copepods. The most abundant species, Keratella cochlearis, Bosmina longirostris, and Tropocyclops prasinus, were found in 11, 13, and 12 wells, respectively. However, species such as Cephalodella catellina, Cephalodella ventripes, Filinia longiseta, Lecane lunaris, L. pumila, Lophocharis salpina, Mytilina unguipes, Platyias quadricornis, Trichocerca tigris, Ceriodaphnia pulchella, Diaphanosoma birgei, …

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Two New Species And A New Record Species Of The Genus Aeolothrips(Thysanoptera: Aeolothripidae) From Iran, Jalil Alavi, Kambiz Minaei Jan 2019

Two New Species And A New Record Species Of The Genus Aeolothrips(Thysanoptera: Aeolothripidae) From Iran, Jalil Alavi, Kambiz Minaei

Turkish Journal of Zoology

Two new species of Aeolothrips from the northeast of Iran, A. jajarmi sp. nov. and A. oteri sp. nov., are described. One rare Asian species, A. intactus Pelikán 1963, is newly recorded from Iran. Diagnostic characters for each species as well as illustrations to distinguish them are provided.

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Structural Characteristics Of The Soil Fauna Community In Beach Wetlands Of The Poyang Lake Region, Ping Lu, Nianhua Dai, Guohua Zhang, Meiwen Zhang, Derong Xu, Zhuorong Liu, Zhiqiang Huang Jan 2019

Structural Characteristics Of The Soil Fauna Community In Beach Wetlands Of The Poyang Lake Region, Ping Lu, Nianhua Dai, Guohua Zhang, Meiwen Zhang, Derong Xu, Zhuorong Liu, Zhiqiang Huang

Turkish Journal of Zoology

We examined the soil fauna community composition and structure of Poyang Lake beach wetlands using the modified Tullgren and Baermann methods during September and December 2015. A total of 3755 individuals were obtained from 2 samplings, which were found to belong to 7 classes, 8 orders, 3 suborders, and 17 families. Among these, the Oribatida, Prostigmata, Nematoda, and Onychiuridae were dominant. The functional groups of soil animals included omnivores, saprozoics, predators, and phytophages. Analysis results of the soil fauna composition and diversity showed that the soil animals were mainly concentrated at the 0-10 cm depth, presenting as a significant surface …

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A New Species Of Chelonini (Hymenoptera: Braconidae) From Pistachio Twig Borer Moth (Kermania Pistaciella Amsel (Lep.: Tineidae)) In Gaziantep, Ahmet Beyarslan, Yasemi̇n Bengü Şahan Jan 2019

A New Species Of Chelonini (Hymenoptera: Braconidae) From Pistachio Twig Borer Moth (Kermania Pistaciella Amsel (Lep.: Tineidae)) In Gaziantep, Ahmet Beyarslan, Yasemi̇n Bengü Şahan

Turkish Journal of Zoology

Pupae of the pistachio twig borer moth (Kermania pistaciella Amsel (Lep.: Tineidae)) were collected in the Şahinbey and Nizip-Alahacı regions of Gaziantep in February and March 2017. The pupae were kept in cages and parasitoids from Cheloninae (Hymenoptera, Braconidae) were obtained. Chelonus chetini Beyarslan & Şahan sp. nov. is described as a new species for science. The new species is described and the figures of its diagnostic characters are given.

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The Song Structure And Repertoire Size Of Daurian Redstarts (Phoenicurus Auroreus) In South Korea, Ju Hyun Lee, Ha Cheol Sung Jan 2019

The Song Structure And Repertoire Size Of Daurian Redstarts (Phoenicurus Auroreus) In South Korea, Ju Hyun Lee, Ha Cheol Sung

Turkish Journal of Zoology

The song repertoire across avian species varies considerably in size, and reliable measurement is important in defining its significance as a target in sexual selection. In this study, the song structure and song repertoire size of the Daurian Redstart (Phoenicurus auroreus) in South Korea were investigated. The songs had major syllable variation rather than song type variation. The average song repertoire size from 20 males was 39.9 ± 5.8 (range: 28-50), based on a syllable type that was appropriate for this species. The songs were structured with three distinguishable parts, where song syllables varied most in the syllable part, and …

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Breeding Density Of European Turtle Dove (Streptopelia Turtur) On Sakar Mountain (Se Bulgaria), Gradimir Gruychev, Hristo Mihaylov Jan 2019

Breeding Density Of European Turtle Dove (Streptopelia Turtur) On Sakar Mountain (Se Bulgaria), Gradimir Gruychev, Hristo Mihaylov

Turkish Journal of Zoology

This study was conducted in the period of 2014-2016. The breeding density of the European Turtle Dove (Streptopelia turtur) was determined in the MG-14 (35T) square of the Universal Transverse Mercator system. The maximum number of breeding pairs/100 ha was 4.4 in 2014, 2.4 in 2015, and 1.6 in 2016. The peaks of singing Turtle Doves occurred in the second half of May and at the end of June. The number of singing males in riparian and oak forests was higher compared to other habitats.

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Morphological, Ultrastructural, And Molecular Identification Of A New Microsporidian Pathogen Isolated From Crepidodera Aurata (Coleoptera, Chrysomelidae), Mustafa Yaman, Gönül Algi, Renate Radek Jan 2019

Morphological, Ultrastructural, And Molecular Identification Of A New Microsporidian Pathogen Isolated From Crepidodera Aurata (Coleoptera, Chrysomelidae), Mustafa Yaman, Gönül Algi, Renate Radek

Turkish Journal of Zoology

A new microsporidian pathogen isolated from Crepidodera aurata was identified based on morphological and ultrastructural characteristics, coupled with a molecular phylogenetic analysis. The spores of the microsporidian pathogen were slightly curved in shape, and measured 2.44-3.55 µm in length and 1.25-1.55 µm in width (n = 50). Its ultrastructure is characteristic of monokaryotic groups. All lifecycle stages of the pathogen, including meronts, sporonts, sporoblasts, and mature spores, are monokaryotic. The spore has 6-8 windings of the polar filament. Morphological and ultrastructural characteristics of the lifecycle stages place it within the family Unikaryonidae. However, the phylogenetic tree constructed on the 16S …

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Characterisation Of Chitin In The Cuticle Of A Velvet Worm (Onychophora), Hartmut Greven, Murat Kaya, İdri̇s Sargin, Talat Baran, Reinhardt Møbjerg Kristensen, Martin Vinther Sorensen Jan 2019

Characterisation Of Chitin In The Cuticle Of A Velvet Worm (Onychophora), Hartmut Greven, Murat Kaya, İdri̇s Sargin, Talat Baran, Reinhardt Møbjerg Kristensen, Martin Vinther Sorensen

Turkish Journal of Zoology

We characterize the trunk cuticle of velvet worms of the Peripatoides novaezealandiae-group (Onychophora) using SEM, TEM, Fourier transform infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA). TEM and SEM revealed a relatively uniform organization of the delicate cuticle that is covered by numerous bristled and nonbristled papillae with ribbed scales arranged in transverse rows. The cuticle consists of a very thin multilayered epicuticle of varying appearance followed by the largely fibrous procuticle. The irregularly arranged nanofibres of isolated cuticular chitin seen by SEM are considered as bundles of chitin fibres. FT-IR and TGA showed that the chitin is of the α-type. …

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A New Species Of Tortanus (Atortus) (Copepoda, Calanoida, Tortanidae) From Minicoy Island, Southeastern Arabian Sea, Sanu Vengasseril Francis, Sivasankaran Bijoy Nandan Jan 2019

A New Species Of Tortanus (Atortus) (Copepoda, Calanoida, Tortanidae) From Minicoy Island, Southeastern Arabian Sea, Sanu Vengasseril Francis, Sivasankaran Bijoy Nandan

Turkish Journal of Zoology

A new species of the planktonic calanoid copepod genus Tortanus, subgenus Atortus, is described from a coral reef lagoon of Minicoy Island, southeastern Arabian Sea. The new species is included in the tropicus group, which is mainly distributed in the tropical and subtropical waters of Southeast Asia. The species can be distinguished from all other species of the tropicus group by the asymmetrical fifth pedigerous somite with notched left margin and triangular lobe in the right, hyaline coupling device with larger left process, 2 ventrolateral spines in the genital compound somite, and caudal rami with 2 medial rounded processes in …

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Comparative Evaluation Of Taxonomic And Functional Diversities Of Leaf-Litter Ants Of The Brazilian Atlantic Forest, Elmo Borges De Azevedo Koch, José Raimundo Maia Dos Santos, Ivan Cardoso Nascimento, Jacques Hubert Charles Delabie Jan 2019

Comparative Evaluation Of Taxonomic And Functional Diversities Of Leaf-Litter Ants Of The Brazilian Atlantic Forest, Elmo Borges De Azevedo Koch, José Raimundo Maia Dos Santos, Ivan Cardoso Nascimento, Jacques Hubert Charles Delabie

Turkish Journal of Zoology

The ant community living in leaf litter was assessed in 65 forest sites in the Brazilian Atlantic rainforest in the southern region of the state of Bahia, Brazil. In addition, we aimed to understand the patterns between taxonomic and functional diversities using two different resolutions of classification of ants into functional groups. We identified 364 ant species belonging to 68 genera in 10 subfamilies in 65 regions. Considering a more general functional classification, we identified a total of 13 functional ant groups, and 26 functional ant groups considering a more specific functional classification. The Atlantic Forest environments studied presented great …

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Detailed Analysis Of Beluga Sturgeon (Huso Huso) And Stellate Sturgeon(Acipenser Stellatus) Migration In The Lower Danube River, Stefan Hont, Marian Paraschiv, Marian Ion Iani, Elena Taflan, Daniela Nicoleta Holostenco, Delia Oprea, Lucian Oprea Jan 2019

Detailed Analysis Of Beluga Sturgeon (Huso Huso) And Stellate Sturgeon(Acipenser Stellatus) Migration In The Lower Danube River, Stefan Hont, Marian Paraschiv, Marian Ion Iani, Elena Taflan, Daniela Nicoleta Holostenco, Delia Oprea, Lucian Oprea

Turkish Journal of Zoology

The swimming ground speed and swimming depths of beluga sturgeon (Huso huso) and stellate sturgeon (Acipenser stellatus) were investigated using ultrasonic telemetry between 2011 and 2017 in the Lower Danube River (river kilometer (rkm) 0 Sulina-rkm 1075 Baziaş). Acoustic telemetry receivers VR2W and V16TP tags (Vemco, Canada) were used to collect data about sturgeon migration behavior in the Lower Danube River between the Black Sea and the Iron Gate II dam. The tags, equipped with depth and temperature sensors, provided data about beluga and stellate sturgeon migration periods, swimming speeds, and depths. Twenty-three beluga sturgeon (184-245 cm TL) and twenty-one …

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