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Articles 241 - 261 of 261
Full-Text Articles in Animal Sciences
Protein And Lipid Amounts Of The Parasitoid Bracon Hebetor Say (Hymenoptera: Braconidae) At Constant And Alternating Temperatures, Özgür Varer Işitan, Nevran Eylem Akman Gündüz, Adem Gülel
Protein And Lipid Amounts Of The Parasitoid Bracon Hebetor Say (Hymenoptera: Braconidae) At Constant And Alternating Temperatures, Özgür Varer Işitan, Nevran Eylem Akman Gündüz, Adem Gülel
Turkish Journal of Zoology
Bracon hebetor Say (Hymenoptera: Braconidae) is a gregarious synovigenic parasitoid that attacks late stage larvae of many important lepidopterous species. The purpose of the current study was to evaluate the influence of 3 constant (18, 25, and 35 °C) and 1 alternating temperature (incubator programmed to vary daily between 18, 25, and 35 °C at 8 h intervals) on protein and lipid amounts of female and male parasitoids. Protein amounts of female parasitoids were highest when exposed to alternating temperature. At all the temperatures tested, 1-day-old males had similar amounts of protein, but 5- and 10-day-old males had higher amounts …
Length-Weight Relationships For 21 Fish Species Caught In The Argolikos Gulf (Central Aegean Sea, Eastern Mediterranean), Kostas Kapiris, Dimitris Klaoudatos
Length-Weight Relationships For 21 Fish Species Caught In The Argolikos Gulf (Central Aegean Sea, Eastern Mediterranean), Kostas Kapiris, Dimitris Klaoudatos
Turkish Journal of Zoology
The length-weight relationship for both sexes of 21 fish species caught in Argolikos Gulf (central Aegean Sea, eastern Mediterranean), using a variety of fishing gear, was estimated for the first time. Fishing took place between August 2007 and August 2008, and the fishing gear used included gill and trammel nets, long lines, and beach seines from 58 inshore fishing vessels. Individuals caught by trammel nets were usually longer and heavier than those collected by other fishing gear. The allometric coefficient (b) for the majority of species (59%) was statistically significantly higher than 3.0, indicating positive allometry between length and weight …
Some Small Mammal Fossils Of Üçağızlı Cave (Hatay, Turkey), Fadi̇me Suata Alpaslan
Some Small Mammal Fossils Of Üçağızlı Cave (Hatay, Turkey), Fadi̇me Suata Alpaslan
Turkish Journal of Zoology
Small mammal assemblages of Üçağızlı Cave, 2 from the early Upper Paleolithic and 1 from the Epipaleolithic, spanning a period from 41 to 17 kya, are described. The remains are referred to as Chionomys nivalis, Microtus guentheri, Apodemus mystacinus, Apodemus flavicollis, Apodemus witherbyi, Mus macedonicus, Mesocricetus brandti, Glirulus sp., Crocidura sp., Pipistrellus cf. kuhlii, and Myotis sp. The rodent fauna of Üçağızlı suggests the dominance of open country and rocky ground with a woodland component. There does not seem to have been any essential environmental changes during the deposition of these layers. However, the poor sample of the Epipaleolithic hampers …
New Records Of Two Cheyletid Mite Species (Acari: Cheyletidae) From Iran, Sali̇h Doğan, Mahdi Jalaeian, Hashem Kamali
New Records Of Two Cheyletid Mite Species (Acari: Cheyletidae) From Iran, Sali̇h Doğan, Mahdi Jalaeian, Hashem Kamali
Turkish Journal of Zoology
Two species of the family Cheyletidae (Acari: Prostigmata), Cheletonella vespertilionis Womersley and Cheyletus kuznetzovi Bochkov and Khaustov, are given as new records for the Iranian fauna. This is also the first report of the genus Cheletonella Womersley from Iran.
Eulophid Parasitoids (Hymenoptera: Eulophidae) Of The Horse Chestnut Leafminer, Cameraria Ohridella (Lepidoptera: Gracillariidae), From İstanbul, Turkey, Haci Hüseyi̇n Cebeci̇, Giselher Grabenweger, Hami̇t Ayberk
Eulophid Parasitoids (Hymenoptera: Eulophidae) Of The Horse Chestnut Leafminer, Cameraria Ohridella (Lepidoptera: Gracillariidae), From İstanbul, Turkey, Haci Hüseyi̇n Cebeci̇, Giselher Grabenweger, Hami̇t Ayberk
Turkish Journal of Zoology
The eulophid parasitoids (Hymenoptera: Eulophidae) of Cameraria ohridella Deschka and Dimic (Lepidoptera: Gracillariidae) on horse chestnuts (Aesculus hippocastanum L.) in İstanbul were determined for the first time. Horse chestnut leaves infested with leafminers were collected in 2008 and adult parasitoids were obtained in emergence cages in the laboratory. A total of 10 eulophid parasitoid species were identified, 5 of which, namely Cirrospilus viticola (Rondani), Pnigalio mediterraneus (Ferriére and Delucchi), Minotetrastichus frontalis (Nees), M. platanellus (Mercet), and Closterocerus trifasciatus Westwood, were recorded for the first time in Turkey. All of the identified parasitoid species have already been reported as parasitoids of …
Mate-Guarding In The Australian Zebra Finch, Taeniopygia Guttata: For Males, Protecting Paternity Is More Important Than Extra-Pair Copulations, Leah Catherine Wilson
Mate-Guarding In The Australian Zebra Finch, Taeniopygia Guttata: For Males, Protecting Paternity Is More Important Than Extra-Pair Copulations, Leah Catherine Wilson
Dissertations, Theses, and Masters Projects
No abstract provided.
A New Species Of Westralianus Boucek 1988 (Hymenoptera:Torymidae: Megastigminae) From Turkey, Mi̇kdat Doğanlar
A New Species Of Westralianus Boucek 1988 (Hymenoptera:Torymidae: Megastigminae) From Turkey, Mi̇kdat Doğanlar
Turkish Journal of Zoology
A new species of the Australian genus Westralianus Boucek (Hymenoptera: Chalcidoidea, Torymidae) is described from Altınözü, Hatay, Turkey. Some new diagnostic characters of the genus are provided by inclusion of a second species in the genus. The new species, W. altinoezus n.sp., is compared with the type species, W. microstigma Boucek 1988. The new species was recorded as a parasitoid of caterpillars of an unknown species of Lepidoptera living in galls of Gymnosporangium confusum (Uredinales: Pucciniaceae) on shoots of Crataegus monogyna Jacq. A description of the new species is provided and its diagnostic characters are photographed.
Five Aquatic Oligochaeta Species New For The Fauna Of Montenegro, Aleksandra Jablonska, Vladimir Pesic
Five Aquatic Oligochaeta Species New For The Fauna Of Montenegro, Aleksandra Jablonska, Vladimir Pesic
Turkish Journal of Zoology
Five species of aquatic Oligochaeta new for Montenegro were recorded from various types of fresh waters. Marionina argentea (Michaelsen, 1889) was reported from a subterranean stream. Propappus volki Michaelsen, 1916, Rhyacodrilus coccineus (Vejdovsky, 1876), and Cognettia sphagnetorum (Vejdovsky, 1877) were found in epigean streams. Haplotaxis gordioides (Hartmann, 1821) appeared in both subterranean and epigean streams. The list of aquatic oligochaetes from Montenegro now encompasses 39 species.
Range Extension For The Dismal Swamp Southern Bog Lemming, Synaptomys Cooperi Helaletes, In Eastern Virginia, Robert K. Rose
Range Extension For The Dismal Swamp Southern Bog Lemming, Synaptomys Cooperi Helaletes, In Eastern Virginia, Robert K. Rose
Biological Sciences Faculty Publications
The distribution of the Dismal Swamp Southern Bog Lemming is extended to include three counties west of the Dismal Swamp in southeastern Virginia, long considered its only location in the state. Evidence of lemmings was detected at 10 of 27 survey sites, and confirmed by trapping at three of five sites, all dominated by herbaceous vegetation.
A New Species Of The Subterranean Amphipod Crustacean Genus Stygobromus (Crangonyctidae) From A Cave In Nevada, Usa, Steven J. Taylor, John R. Holsinger
A New Species Of The Subterranean Amphipod Crustacean Genus Stygobromus (Crangonyctidae) From A Cave In Nevada, Usa, Steven J. Taylor, John R. Holsinger
Biological Sciences Faculty Publications
Stygobromus albapinus, a new stygobiotic amphipod crustacean species in the family Crangonyctidae, is described from two pools in Model Cave in Great Basin National Park, White Pine County, Nevada, USA. The type specimens were collected on two different visits to the cave. The new species is assigned to the hubbsi group, bringing the number of described species in this group to 45, but many other provisionally recognized species assigned to this group remain undescribed. With exception of a single species from deep wells in southeastern Wisconsin, all other members of the hubbsi group are recorded from a wide variety …
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Paul Mccain
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Paul Mccain
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Dietary Supplementation Of The Acidifier Vitoxal-Mionix On Growth, Survival, Immune Response And Gut Microbiota Of The Pacific White Shrimp, Litopenaeus Vannamei, Ahmed Mustafa, Davies Anuta, Alehandro Buentello, Susmita Patnaik, Addison Lawrence, Michaele Hume, Delbert Gatlin, Maurice Kemp
Effects Of Dietary Supplementation Of The Acidifier Vitoxal-Mionix On Growth, Survival, Immune Response And Gut Microbiota Of The Pacific White Shrimp, Litopenaeus Vannamei, Ahmed Mustafa, Davies Anuta, Alehandro Buentello, Susmita Patnaik, Addison Lawrence, Michaele Hume, Delbert Gatlin, Maurice Kemp
Ahmed Mustafa Dr.
No abstract provided.
Intracellular Invasion Of Green Algae In A Salamander Host, Ryan Kerney, Eunsoo Kim, Roger Hangater, Aaron Heiss, Cory Bishop, Brian Hall
Intracellular Invasion Of Green Algae In A Salamander Host, Ryan Kerney, Eunsoo Kim, Roger Hangater, Aaron Heiss, Cory Bishop, Brian Hall
Ryan Kerney
The association between embryos of the spotted salamander (Ambystoma maculatum) and green algae (“Oophila amblystomatis” Lamber ex Printz) has been considered an ectosymbiotic mutualism. We show here, however, that this symbiosis is more intimate than previously reported. A combination of imaging and algal 18S rDNA amplification reveals algal invasion of embryonic salamander tissues and cells during development. Algal cells are detectable from embryonic and larval Stages 26–44 through chlorophyll autofluorescence and algal 18S rDNA amplification. Algal cell ultrastructure indicates both degradation and putative encystment during the process of tissue and cellular invasion. Fewer algal cells were detected in later-stage larvae …
Symbioses Between Salamander Embryos And Green Algae, Ryan Kerney
Symbioses Between Salamander Embryos And Green Algae, Ryan Kerney
Ryan Kerney
The symbiosis between Ambystoma maculatum (spotted salamander) embryos and green algae was initially described over 120 years ago. Algae populate the egg capsules that surround individual A. maculatum embryos, giving the intracapsular fluid a characteristic green hue. Early work established this symbiosis to be a mutualism, while subsequent studies sought to identify the material benefits of this association to both symbiont and host. These studies have shown that salamander embryos benefit from increased oxygen concentrations provided by their symbiotic algae. The algae, in turn, may benefit from ammonia excreted by the embryos. All of these early studies considered the associ- …
Molecular Anatomy Of The Developing Limb In The Coqu ́I Frog, Eleutherodactylus Coqui, Joshua Gross, Ryan Kerney, James Hanken, Clifford Tabin
Molecular Anatomy Of The Developing Limb In The Coqu ́I Frog, Eleutherodactylus Coqui, Joshua Gross, Ryan Kerney, James Hanken, Clifford Tabin
Ryan Kerney
The vertebrate limb demonstrates remark- able similarity in basic organization across phylogenetically disparate groups. To gain further insight into how this mor- phological similarity is maintained in different developmental contexts, we explored the molecular anatomy of size-reduced embryos of the Puerto Rican coqu ́ı frog, Eleutherodactylus coqui. This animal demonstrates direct development, a life- history strategy marked by rapid progression from egg to adult and absence of a free-living, aquatic larva. Nonethe- less, coqu ́ı exhibits a basal anuran limb structure, with four toes on the forelimb and five toes on the hind limb. We in- vestigated the extent to …
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Hasina Karki
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia., Ahmed Mustafa, Brittany Byerley, Hasina Karki
Ahmed Mustafa Dr.
No abstract provided.
Levels Of Biological Organization And The Origin Of Novelty, Brian Hall, Ryan Kerney
Levels Of Biological Organization And The Origin Of Novelty, Brian Hall, Ryan Kerney
Ryan Kerney
The concept of novelty in evolutionary biology pertains to multiple tiers of biological organization from behavioral and morphological changes to changes at the molecular level. Identifying novel features requires assessments of similarity (homology and homoplasy) of relationships (phylogenetic history) and of shared developmental and genetic pathways or networks. After a brief discussion of how novelty is used in recent literature, we discuss whether the evolutionary approach to homology and homoplasy initially formulated by Lankester in the 19th century informs our understanding of novelty today. We then discuss six examples of morphological features described in the recent literature as novelties, and …
Feasibility Of Farming Nile Tilapia, Oreochromis Niloticus (L.), In Suboptimal Water Temperature, Ahmed Mustafa, Laura Randolph, Shree Dhawale
Feasibility Of Farming Nile Tilapia, Oreochromis Niloticus (L.), In Suboptimal Water Temperature, Ahmed Mustafa, Laura Randolph, Shree Dhawale
Ahmed Mustafa Dr.
No abstract provided.
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul Mccain
Effects Of Indian Herbs On The Modulation Of Stress And Immune Response In Tilapia, Ahmed Mustafa, Brittany Byerley, Paul Mccain
Ahmed Mustafa Dr.
No abstract provided.
Embryonic Staging Table For A Direct- Developing Salamander, Plethodon Cinereus (Plethodontidae), Ryan Kerney
Embryonic Staging Table For A Direct- Developing Salamander, Plethodon Cinereus (Plethodontidae), Ryan Kerney
Ryan Kerney
This work presents a refined staging table for the direct-developing red-backed salamander Plethodon cinereus, which is based on the incom- plete staging system of James Norman Dent (J Morphol 1942; 71:577– 601). This common species from eastern North America is a member of the species-rich lungless salamander family Plethodontidae. The stag- ing table presented here covers several stages omitted by Dent and reveals novel developmental features of P. cinereus embryos. These include putative Leydig cells and open gill clefts, which are found in lar- vae of metamorphosing species but were previously reported as absent in direct-developing Plethodon. Other features found …
Observing Copepods Through A Genomic Lens, J. E. Bron, D. Frisch, E. Goetze, S. C. Johnson, C. E. Lee, Grace Wyngaard
Observing Copepods Through A Genomic Lens, J. E. Bron, D. Frisch, E. Goetze, S. C. Johnson, C. E. Lee, Grace Wyngaard
Grace Wyngaard
No abstract provided.