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https://www.readbyqxmd.com/read/28712341/genetic-analysis-of-bactrocera-zonata-diptera-tephritidae-populations-from-india-based-on-cox1-and-nad1-gene-sequences
#1
Jaipal S Choudhary, Naiyar Naaz, Moanaro Lemtur, Bikash Das, Arun Kumar Singh, Bhagwati P Bhatt, Chandra S Prabhakar
The peach fruit fly, Bactrocera zonata, is among the most serious and polyphagous insect pest of fruit crops in many parts of the world under genus Bactrocera. In the present study, the genetic structure, diversity and demographic history of B. zonata in India were inferred from mitochondrial cytochrome oxidase 1 (cox1) and NADH dehydrogenase 1 (nad1) sequences. The efficiency of DNA barcodes for identification of B. zonata was also tested. Genetic diversity indices [number of haplotypes (H), haplotype diversity (Hd), nucleotide diversity (π) and average number of nucleotide differences (k)] of B...
July 15, 2017: Mitochondrial DNA. Part A. DNA Mapping, Sequencing, and Analysis
https://www.readbyqxmd.com/read/28704500/transcriptomic-and-metabolomic-profiles-of-chinese-citrus-fly-bactrocera-minax-diptera-tephritidae-along-with-pupal-development-provide-insight-into-diapause-program
#2
Jia Wang, Huan Fan, Ke-Cai Xiong, Ying-Hong Liu
The Chinese citrus fly, Bactrocera minax (Enderlein), is a devastating citrus pest in Asia. This univoltine insect enters obligatory pupal diapause in each generation, while little is known about the course and the molecular mechanisms of diapause. In this study, the course of diapause was determined by measuring the respiratory rate throughout the pupal stage. In addition, the variation of transcriptomic and metabolomic profiles of pupae at five developmental stages (pre-, early-, middle-, late-, and post-diapause) were evaluated by next-generation sequencing technology and 1H nuclear magnetic resonance spectroscopy (NMR), respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28687799/the-chromosomes-and-the-mitogenome-of-ceratitis-fasciventris-diptera-tephritidae-two-genetic-approaches-towards-the-ceratitis-far-species-complex-resolution
#3
Elena Drosopoulou, Christina Pantelidou, Angeliki Gariou-Papalexiou, Antonios A Augustinos, Tatiana Chartomatsidou, Georgios A Kyritsis, Kostas Bourtzis, Penelope Mavragani-Tsipidou, Antigone Zacharopoulou
Ceratitis fasciventris is a serious agricultural pest of the Tephritidae family that belongs to the African Ceratitis FAR species complex. Species limits within the FAR complex are obscure and multidisciplinary approaches have attempted to resolve phylogenetic relationships among its members. These studies support the existence of at least three additional species in the complex, C. anonnae, C. rosa and C. quilicii, while they indicate the presence of two structured populations (F1 and F2) within the C. fasciventris species...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28676379/effects-of-nutrient-and-water-restriction-on-thermal-tolerance-a-test-of-mechanisms-and-hypotheses
#4
Katherine A Mitchell, Leigh Boardman, Susana Clusella-Trullas, John S Terblanche
Nutritional deprivation or desiccation can influence thermal tolerance by impacting the insects' ability to evaporatively cool, maintain cell membrane integrity and conduct protective or repair processes. Recovery from chilling is also linked to the re-establishment of iono- and osmo-regulatory homeostasis. Here, using Mediterranean fruit fly (Ceratitis capitata, Diptera: Tephritidae), we manipulated water and nutrient availability to test the mechanistic expectation that changes in whole organism lipid and water content can elicit variation in cold or heat tolerance (scored as chill coma recovery time and heat knockdown time)...
July 1, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28668256/uv-b-radiation-related-effects-on-conidial-inactivation-and-virulence-against-ceratitis-capitata-wiedemann-diptera-tephritidae-of-phylloplane-and-soil-metarhizium-sp-strains
#5
María Fernández-Bravo, Alejandro Flores-León, Salvador Calero-López, Fernando Gutiérrez-Sánchez, Pablo Valverde-García, Enrique Quesada-Moraga
Recent studies have demonstrated the presence of Metarhizium species on the epigeal areas of weeds and woody plants in various Mediterranean ecosystems, and the question arises whether isolates from the phylloplane, which experiences greater exposure to environmental UV-B radiation than soil isolates do, could have better UV-B radiation tolerance. The in vitro response of 18 Metarhizium strains isolated from phylloplane and soil of several Mediterranean ecosystems to UV-B radiation and the in vitro and in vivo effects of UV-B radiation on the viability and virulence of a selected M...
June 28, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28642971/high-diversity-of-bacterial-communities-in-developmental-stages-of-bactrocera-carambolae-insecta-tephritidae-revealed-by-illumina-miseq-sequencing-of-16s-rrna-gene
#6
Hoi-Sen Yong, Sze-Looi Song, Kah-Ooi Chua, Phaik-Eem Lim
Bactrocera carambolae is a highly polyphagous fruit pest of agricultural importance. This study reports the bacterial communities associated with the developmental stages of B. carambolae. The microbiota of the developmental stages were investigated by targeted 16S rRNA gene (V3-V4 region) sequencing using the Illumina MiSeq. At 97% similarity, there were 19 bacterial phyla and unassigned bacteria, comprising 39 classes, 86 orders, 159 families and 311 genera. The bacterial composition varied among the specimens of developmental stage and across developmental stages as well as exuviae...
June 23, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28625191/attraction-and-consumption-of-methyl-eugenol-by-male-bactrocera-umbrosa-fabricius-diptera-tephritidae-promotes-conspecific-sexual-communication-and-mating-performance
#7
S L Wee, M Z Abdul Munir, A K W Hee
The Artocarpus fruit fly, Bactrocera umbrosa (Fabricius) (Diptera: Tephritidae), is an oligophagous fruit pest infesting Moraceae fruits, including jackfruit (Artocarpus heterophyllus Lamarck), a fruit commodity of high value in Malaysia. The scarcity of fundamental biological, physiological and ecological information on this pest, particularly in relation to behavioural response to phytochemical lures, which are instrumental to the success of many area-wide fruit fly control and management programmes, underpins the need for studies on this much-underrated pest...
June 19, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28623148/male-sexual-enhancement-after-methoprene-treatment-in-anastrepha-fraterculus-diptera-tephritidae-a-sustained-response-that-does-not-fade-away-after-sexual-maturation
#8
G E Bachmann, F Devescovi, A L Nussenbaum, J L Cladera, P C Fernández, M T Vera, P E A Teal, D F Segura
The juvenile hormone (JH) of insects triggers physiological changes related to reproduction in adults of both sexes. Methoprene is a sesquiterpene with some effects that are analogous to those of JH. Treatments with methoprene accelerate sexual maturation in males of the South American fruit fly Anastrepha fraterculus, giving young males a mating advantage over non-treated males of the same age. Here, we evaluated the effects of methoprene treatment on A. fraterculus males after the sexual maturation phase and tested whether this compound provides a long-term mating advantage...
June 13, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28610282/new-species-new-records-and-updated-subgeneric-key-of-i-bactrocera-i-macquart-diptera-tephritidae-dacinae-dacini-from-india
#9
K J David, D L Hancock, Shakti Kumar Singh, S Ramani, G T Behere, S Salini
Two new species of genus Bactrocera Macquart, namely B. (Sinodacus) brevipunctata David and Hancock, sp. nov. and B. (Bactrocera) furcata David and Hancock, sp. nov., are described from India. B. (B.) aethriobasis Hardy, B. (B.) rubigina Wang & Zhao, B. (B.) syzygii Tsuruta & White and B. (B.) tuberculata (Bezzi) are recorded for the first time from India. Updated keys to twelve subgenera of Bactrocera and Indian species of Bactrocera (Bactrocera) are also provided.
May 30, 2017: Zootaxa
https://www.readbyqxmd.com/read/28610231/new-records-of-i-rhagoletis-i-diptera-tephritidae-in-colombia-with-discussion-on-the-morphological-variations-of-some-species
#10
Javier O Martínez-Alava, Francisco Serna, Allen L Norrbom
Rhagoletis jamaicensis Foote, 1981 and an undetermined species of the psalida group, are recorded for the first time in Colombia. The morphological variations of the Colombian specimens of these species and of other species closely related are discussed.
June 7, 2017: Zootaxa
https://www.readbyqxmd.com/read/28610225/battling-the-un-dead-the-status-of-the-diptera-genus-group-names%C3%A2-originally-proposed-in-johann-wilhelm-meigen-s-1800-pamphlet
#11
Neal L Evenhuis, Thomas Pape
The work of Meigen 1800 was suppressed by the ICZN Commission in 1963 for the purposes of zoological nomenclature. The work as such is still to be treated as having been published and it remains available as a source of published descriptions and illustrations. Therefore, while the names in Meigen (1800) are deemed unavailable, a subsequent usage of any of the names may be considered a novel proposal. We review the first post-Meigen 1800 occurrence of each name, its first date of availability and authorship, and determine status and synonymy...
June 8, 2017: Zootaxa
https://www.readbyqxmd.com/read/28586142/experimental-hybridization-and-reproductive-isolation-between-two-sympatric-species-of-tephritid-fruit-flies-in-the-anastrepha-fraterculus-species-group
#12
Juan Rull, Eduardo Tadeo, Rodrigo Lasa, Christian L Rodríguez, Alma Altuzar-Molina, Martín Aluja
Among tephritid fruit flies, hybridzation has been found to produce local adaptation and speciation, and in the case of pest species, induce behavioral and ecological alterations that can adversely impact efficient pest management. The fraterculus species group within Anastrepha (Diptera: Tephritidae), is a rapidly radiating aggregate, which includes cryptic species complexes, numerous sister species, and several pest species. Molecular studies have highlighted the possibility of introgression between A. fraterculus and A...
June 6, 2017: Insect Science
https://www.readbyqxmd.com/read/28571710/identification-of-odorant-binding-proteins-in-carpomya-vesuviana-and-their-binding-affinity-to-the-male-borne-semiochemicals-and-host-plant-volatiles
#13
Yawei Li, Ping Zhou, Junhua Zhang, Ding Yang, Zhihong Li, Xianglin Zhang, Shuifang Zhu, Yanxue Yu, Naizhong Chen
Carpomya vesuviana (Costa; Diptera: Tephritidae) is an agricultural pest that causes serious damage to jujube fruits. However, the mechanism of olfaction, which is critical for host identification, is not well understood in this pest. In this study, we have identified for the first time five protein types involved in the olfactory signal transduction of C. vesuviana by using transcriptome sequencing. These include 6 odorant-binding proteins (OBPs), 15 odorant receptors (ORs), 22 gustatory receptors (GRs), 2 chemosensory proteins (CSPs), and 2 sensory neuron membrane proteins (SNMPs)...
May 29, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28549185/visibility-and-persistence-of-marker-dyes-and-effect-on-the-quality-and-mating-competitiveness-of-mass-reared-flies-diptera-tephritidae-anastrepha-obliqua-and-bisexual-and-genetic-sexing-tapachula-7-strains-of-a-ludens
#14
José Arredondo, Lia Ruiz, Gladis López, Francisco Díaz-Fleischer
Fluorescent dyes are commonly used in the sterile insect technique (SIT) for marking insects for a proper identification after recapture. However, the quality of the mark must be balanced against insect performance, because dyes can negatively affect some parameters of insect performance and reduce their effectiveness in control with the SIT. We determined the visibility and persistence and the effect of dyes on the quality of Anastrepha obliqua (Macquart) and Anastrepha ludens (Loew) (bisexual and genetic sexing strains) by testing four concentrations of a dye (Day-Glo) from 0 to 2...
May 26, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28539260/phylogenetic-relationships-of-the-tribe-toxotrypanini-diptera-tephritidae-based-on-molecular-characters
#15
Ximo Mengual, Peter Kerr, Allen L Norrbom, Norman B Barr, Matthew L Lewis, Anna M Stapelfeldt, Sonja J Scheffer, Patrick Woods, Md-Sajedul Islam, Cheslavo A Korytkowski, Keiko Uramoto, Erick J Rodriguez, Bruce D Sutton, Norma Nolazco, Gary J Steck, Stephen Gaimari
Current hypotheses of relationship among the species of the fruit fly genera Anastrepha and Toxotrypana are tested using sequence data from six DNA regions: the mitochondrial regions 16S, CAD, and COI, and the nuclear regions EF1a, PER, and PGD. DNA sequences were obtained from 146 species of Anastrepha, representing 19 of the 21 species groups as well as five of the six clades of the robusta group, and four species of Toxotrypana in addition to species of Hexachaeta, Pseudophorellia, Alujamyia, and 13 other tephritid genera used as outgroups...
May 21, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28533753/age-related-assessment-of-sugar-and-protein-intake-of-ceratitis-capitata-in-ad-libitum-conditions-and-modeling-its-relation-to-reproduction
#16
Nikos A Kouloussis, Petros T Damos, Charalambos S Ioannou, Constantinos Tsitsoulas, Nikos T Papadopoulos, David Nestel, Dimitris S Koveos
In the inquiry on the age related dietary assessment of an organism, knowledge of the distributional patterns of food intake throughout the entire life span is very important, however, age related nutritional studies often lack robust feeding quantification methods due to their limitations in obtaining short-term food-intake measurements. In this study, we developed and standardized a capillary method allowing precise life-time measurements of food consumption by individual adult medflies, Ceratitis capitata (Diptera: Tephritidae), under laboratory conditions...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28512316/phenotypic-plasticity-trade-offs-and-gene-expression-changes-accompanying-dietary-restriction-and-switches-in-bactrocera-dorsalis-hendel-diptera-tephritidae
#17
Er-Hu Chen, Qiu-Li Hou, Dan-Dan Wei, Hong-Bo Jiang, Jin-Jun Wang
In this study, we investigated the effects of dietary restriction (DR) and variable diets on phenotypes and gene expression in oriental fruit fly, Bactrocera dorsalis (Hendel), one of the most economically important pests in the family Tephritidae around the world. As expected, we found that DR altered the B. dorsalis phenotypes by significantly increasing stress resistance and lifespan, but reduced egg production when compared with the control diet. The results suggested a trade-off between reproduction versus somatic maintenance (stress resistance) and lifespan in B...
May 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28486631/comparative-efficacy-of-insecticides-on-bactrocera-tryoni-and-zeugodacus-cucumis-diptera-tephritidae-in-laboratory-and-semifield-trials-in-fruiting-vegetables
#18
L J Senior, B P Missenden, C Wright
In-field management of Bactrocera tryoni (Froggatt) and Zeugodacus cucumis (French) (Diptera: Tephritidae) in fruiting vegetable crops has relied almost exclusively on organophosphate cover sprays. Laboratory and semifield trials were performed to compare a number of alternative insecticides for efficacy against these species. A novel semifield method was used whereby the insecticides were applied to crops as cover sprays under field conditions, and treated plants bearing fruit were transferred to large cages and exposed to fruit flies...
May 9, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28486404/efficacy-of-chemicals-for-the-potential-management-of-the-queensland-fruit-fly-bactrocera-tryoni-froggatt-diptera-tephritidae
#19
Olivia L Reynolds, Terrence J Osborne, Idris Barchia
This study investigated alternative in-field chemical controls against Bactrocera tryoni (Froggatt). Bioassay 1 tested the mortality of adults exposed to fruit and filter paper dipped in insecticide, and the topical application of insecticide to adults/fruit. Bioassay 2 measured the mortality of adults permitted to oviposit on fruit dipped in insecticide and aged 0, 1, 3, or 5 days, plus the production of offspring. Bioassay 3 tested infested fruit sprayed with insecticide. The field bioassay trialed the mortality of adults exposed to one- and five-day insecticide residues on peaches, and subsequent offspring...
May 9, 2017: Insects
https://www.readbyqxmd.com/read/28474328/biology-and-thermal-requirements-of-fopius-arisanus-sonan-1932-hymenoptera-braconidae-reared-on-ceratitis-capitata-eggs-wiedemann-diptera-tephritidae
#20
M Z Groth, A E Loeck, S D Nornberg, D Bernardi, D E Nava
Fopius arisanus (Sonan) is a solitary parasitoid of eggs and the first instar larvae of Tephritidae. Due to the occurrence of Ceratitis capitata (Wiedemann) in various regions and under several climatic conditions, this study aimed to evaluate the effect of different temperatures on the embryonic development (egg-adult) and determine thermal requirements and the number of annual generations F. arisanus on eggs of C. capitata. In the laboratory, eggs of C. capitata (24 h) were submitted to parasitism of F. arisanus during 6 h...
May 4, 2017: Neotropical Entomology
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