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https://www.readbyqxmd.com/read/28339501/mapping-global-biodiversity-connections-with-dna-barcodes-lepidoptera-of-pakistan
#1
Muhammad Ashfaq, Saleem Akhtar, Muhammad Athar Rafi, Shahid Mansoor, Paul D N Hebert
Sequences from the DNA barcode region of the mitochondrial COI gene are an effective tool for specimen identification and for the discovery of new species. The Barcode of Life Data Systems (BOLD) (www.boldsystems.org) currently hosts 4.5 million records from animals which have been assigned to more than 490,000 different Barcode Index Numbers (BINs), which serve as a proxy for species. Because a fourth of these BINs derive from Lepidoptera, BOLD has a strong capability to both identify specimens in this order and to support studies of faunal overlap...
2017: PloS One
https://www.readbyqxmd.com/read/28338816/conserved-patterns-of-sex-chromosome-dosage-compensation-in-the-lepidoptera-wz-zz-insights-from-a-moth-neo-z-chromosome
#2
Liuqi Gu, James R Walters, Douglas C Knipple
Where previously described, patterns of sex chromosome dosage compensation in the Lepidoptera (moths and butterflies) have several unusual characteristics. Other female-heterogametic (ZW/ZZ) species exhibit female Z-linked expression that is reduced compared to autosomal expression and male Z expression. In the Lepidoptera, however, Z expression typically appears balanced between sexes but overall reduced relative to autosomal expression, i.e. Z ≈ ZZ < AA. This pattern is not easily reconciled with theoretical expectations for the evolution of sex chromosome dosage compensation...
March 2, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28336369/pre-exposures-to-taro-colocasia-esculenta-leaf-volatiles-enhance-the-reproductive-behaviors-in-spodoptera-litura
#3
Xinlong Wan, Jiaxiu Bai, Rui Lu, Daogen Zhang, Huiyue Lin
Plant volatiles serve as sensory cues for insects to find food and habitats. They are also reported to affect many insect behaviors. In the current study, we determined how exposures to taro (Colocasia esculenta) for 24h affect reproductive behaviors in Spodoptera litura. Further, we investigated the mechanisms that regulate taro volatiles-induced reproductive behavior in S. litura by recording peripheral, behavioral, and neuronal responses of male moths to sex pheromone components (Z9,E11-14:OAc and Z9,E12-14:OAc) and their mixtures in different ratios, as well as gene expression levels of sex pheromone receptors...
March 20, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28334341/large-scale-evaluation-of-association-between-pheromone-trap-captures-and-cotton-boll-infestation-for-pink-bollworm-lepidoptera-gelechiidae
#4
Yves Carrière, Larry Antilla, Leighton Liesner, Bruce E Tabashnik
Although transgenic cotton producing insecticidal proteins from Bacillus thuringiensis (Bt) is a cornerstone for pink bollworm control in some countries, integrated pest management remains important for bolstering sustainability of Bt cotton and is critical for controlling pink bollworm where Bt cotton is not available or where this pest has evolved resistance to Bt cotton. Here, we used data on moth captures in gossyplure-baited pheromone traps and boll infestations for 163 Bt and 152 non-Bt cotton fields from Arizona to evaluate accuracy of chemical control decisions relying on moth trapping data and capacity of Bt cotton to suppress survival of offspring produced by moths...
March 16, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334311/flight-performance-of-ctenoplusia-agnata-lepidoptera-noctuidae
#5
Xiaowei Fu, Shengyuan Zhao, Chao Li, Xiao Wu, Jianglong Guo, Kongming Wu
Ctenoplusia agnata (Staudinger) (Lepidoptera: Noctuidae) is a highly destructive polyphagous pest of cotton, maize, soybean, and cruciferous vegetables in East Asia. The effect of various biotic and abiotic factors on the flight performance of C. agnata is crucial for a better understanding of its transregional migration. In this study, the flight performance of C. agnata moths at different ages, temperatures, and relative humidity (RH) levels, was examined by tethering individual moths to computerized flight mills for a 24-h scotophase...
March 13, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334259/population-distribution-and-range-expansion-of-the-invasive-mexican-rice-borer-lepidoptera-crambidae-in-louisiana
#6
Blake E Wilson, Julien M Beuzelin, Thomas E Reagan
The Mexican rice borer, Eoreuma loftini (Dyar) (Lepidoptera: Crambidae), is an invasive pest that was first introduced into southern Texas in 1980 and has been expanding its range eastward along the United States Gulf Coast. The pest attacks rice (Oryza sativa L.), sugarcane (Saccharum spp.), corn (Zea mays L.), and other graminaceous crops, and its establishment in Louisiana is expected to have severe economic impacts on crop production. Range expansion and population distribution of E. loftini were monitored with a network of 77 pheromone traps throughout southwestern Louisiana from 2013 to 2015...
March 2, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28334250/the-use-of-f2-screening-for-detection-of-resistance-to-emamectin-benzoate-chlorantraniliprole-and-indoxacarb-in-australian-populations-of-helicoverpa-armigera-lepidoptera-noctuidae
#7
L J Bird, L J Drynan, P W Walker
The ability to effectively detect changes in susceptibility to insecticides is an integral component of resistance management strategies and is highly dependent upon precision of methods deployed. Between 2013 and 2016, F2 screens were performed for detection of resistance alleles in Helicoverpa armigera (Hübner) to emamectin benzoate, chlorantraniliprole, and indoxacarb in major cropping regions of eastern Australia. Resistance to emamectin benzoate was not detected. There were low but detectable levels of survival at discriminating concentrations of chlorantraniliprole and indoxacarb...
March 3, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334207/oviposition-preference-and-larval-performance-of-cnaphalocrocis-medinalis-lepidoptera-pyralidae-on-rice-genotypes
#8
Chung-Ta Liao, Chung-Li Chen
Cnaphalocrocis medinalis Guenée is a noxious rice pest during cultivated periods. Cnaphalocrocis medinalis moths lay eggs on leaf surfaces, and larvae longitudinally roll the leaves to hide inside the leaf buds and feed on the upper epidermis and mesophyll tissues. In this study, we evaluated the female oviposition preference and larval performance of C. medinalis on six insect-resistant and six insect-susceptible rice genotypes. Female moth choice and no-choice oviposition preferences were studied. The number of eggs laid on the leaf varies among selected rice genotypes; however, female adults prefer to lay more eggs on both some resistant and susceptible rice genotypes...
March 8, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334091/landscape-level-patterns-of-elevated-fs1-asian-allele-frequencies-in-populations-of-gypsy-moth-lepidoptera-erebidae-at-a-northern-u-s-boundary
#9
Marissa A Streifel, Patrick C Tobin, Lucia Hunt, Hannah Nadel, John J Molongoski, Brian H Aukema
From a regulatory perspective, Asian gypsy moth is a species complex consisting of three species of Lymantria and two subspecies of Lymantria dispar (L.), differing from the European subspecies, L. dispar dispar (L.), by having consistently flight-capable females. As such, the invasion potential in North America is thought to exceed that of European gypsy moth. USDA-APHIS therefore has a monitoring program to detect Asian gypsy moth at high-risk introduction pathways. Molecular markers are used to improve the diagnosis of Asian gypsy moth...
February 17, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28331399/the-lepidoptera-of-white-sands-national-monument-otero-county-new-mexico-usa-9-a-new-species-of-givira-walker-cossidae-hypoptinae-dedicated-to-delinda-mix-including-a-list-of-species-of-cossidae-recorded-from-the-monument
#10
Eric H Metzler
The U.S. National Park Service initiated a 10-year study of the Lepidoptera at White Sands National Monument, Otero County, New Mexico in late 2006. Givira delindaesp. n., discovered in 2007 during the first year of study, is described here. The male and female adult moths and genitalia are illustrated. The name is dedicated to Delinda Mix, mother of Steve Mix. The species of Cossidae recorded from the Monument during the study are listed.
2017: ZooKeys
https://www.readbyqxmd.com/read/28330122/production-purification-and-characterization-of-a-thermotolerant-alkaline-serine-protease-from-a-novel-species-bacillus-caseinilyticus
#11
Thirumala Mothe, Vishnuvardhan Reddy Sultanpuram
Alkaline proteases are important enzymes in many industrial applications, especially as additives in laundry detergent industry. Though there are a number of Bacillus species which are reported to be producing proteases, the efficiency of a protease produced by a novel strain has to be studied in comparison to the others. Hence, in this study, an alkaline serine protease produced by a novel species Bacillus caseinilyticus was purified and characterized for its possible usage in detergent industry. Ammonium sulphate, dialysis and DEAE column chromatographic methods were used for purification of the isolated alkaline protease...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329006/dimorphic-cocoons-of-the-cecropia-moth-hyalophora-cecropia-morphological-behavioral-and-biophysical-differences
#12
Patrick A Guerra, Steven M Reppert
The larvae of the giant silk moth (Hyalophora cecropia) spin strikingly dimorphic, multilayered cocoons that are either large and fluffy (baggy) or significantly smaller and tightly woven (compact). Although these cocoon-morphs share the same function (i.e., housing for pupal to adult development during overwintering), previous work has been unable to determine why cocoon dimorphism exists. We addressed this issue in cecropia moth cocoons collected along power line right-of-way habitats in Massachusetts. We first characterized the architectural differences between cocoon-morphs for all three cocoon sections (outer and inner envelopes, and the intermediate layer separating the two)...
2017: PloS One
https://www.readbyqxmd.com/read/28325964/a-review-of-insect-parasitoids-associated-with-lobesia-botrana-denis-schifferm%C3%A3-ller-1775-in-italy-1-dipteratachinidae-and-hymenopterabraconidae-lepidoptera-tortricidae
#13
Pier Luigi Scaramozzino, Augusto Loni, Andrea Lucchi
This paper is aimed to summarize the information available on the parasitoid complex of the European Grapevine Moth (EGVM), Lobesia botrana (Denis & Schiffermüller, 1775) (Lepidoptera Tortricidae) in Italy. The list is the result of the consultation of a vast bibliography published in Italy for almost two hundred years, from 1828 to date. This allowed the clarification and correction of misunderstandings and mistakes on the taxonomic position of each species listed. In Italy the complex of parasitoids detected on EGVM includes approximately 90 species belonging to ten families of Hymenoptera (Braconidae, Ichneumonidae, Chalcididae, Eulophidae, Eupelmidae, Eurytomidae, Pteromalidae, Torymidae, Trichogrammatidae, and Bethylidae) and one family of Diptera (Tachinidae)...
2017: ZooKeys
https://www.readbyqxmd.com/read/28325169/a-new-substitute-host-and-its-effects-on-some-biological-properties-of-ooencyrtus-kuvanae
#14
Hilal Tunca, Marine Venard, Etty-Ambre Colombel, Elisabeth Tabone
Lymantia dispar (L.) (Lepidoptera: Lymantriidae), commonly known as the gypsy moth, is a serious forest pest, and beneficial insects are particularly important for reducing its population numbers. Ooencyrtus kuvanae (Howard) (Hymenoptera: Encyrtidae) is an arrhenotokous, solitary egg parasitoid of L. dispar. In this study, we evaluated a new substitute host, Philosamia ricini (Danovan) (Lepidoptera: Saturniidae) for O. kuvanae. We investigated some of the biological effects of O. kuvanae on P. ricini eggs. In this context, the importance of the age of the female parasitoid (1, 3 or 5 days old), host age (1-2 and 3-4 days old) and host number (40, 60 and 80 host eggs) were examined under laboratory conditions (25 ± 1 °C, 65 ± 5% relative humidity and a 16 : 8 h photoperiod [light : dark])...
March 22, 2017: Bulletin of Entomological Research
https://www.readbyqxmd.com/read/28321909/characterization-of-candidate-odorant-binding-proteins-and-chemosensory-proteins-in-the-tea-geometrid-ectropis-obliqua-prout-lepidoptera-geometridae
#15
Liang Sun, Teng-Fei Mao, Yu-Xing Zhang, Jian-Jian Wu, Jia-He Bai, Ya-Nan Zhang, Xing-Chuan Jiang, Kun-Shan Yin, Yu-Yuan Guo, Yong-Jun Zhang, Qiang Xiao
Insects rely heavily on their sophisticated chemosensory systems to locate host plants and find conspecific mates. Although the molecular mechanisms of odorant recognition in many Lepidoptera species have been well explored, limited information has been reported on the geometrid moth Ectropis obliqua Prout, an economically important pest of tea plants. In the current study, we first attempted to identify and characterize the putative olfactory carrier proteins, including odorant-binding proteins (OBPs) and chemosensory proteins (CSPs)...
March 21, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28319155/relationships-between-abiotic-environment-plant-functional-traits-and-animal-body-size-at-mount-kilimanjaro-tanzania
#16
David Schellenberger Costa, Alice Classen, Stefan Ferger, Maria Helbig-Bonitz, Marcell Peters, Katrin Böhning-Gaese, Ingolf Steffan-Dewenter, Michael Kleyer
The effect-response framework states that plant functional traits link the abiotic environment to ecosystem functioning. One ecosystem property is the body size of the animals living in the system, which is assumed to depend on temperature or resource availability, among others. For primary consumers, resource availability may directly be related to plant traits, while for secondary consumers the relationship is indirect. We used plant traits to describe resource availability along an elevational gradient on Mount Kilimanjaro, Tanzania...
2017: PloS One
https://www.readbyqxmd.com/read/28316136/is-floral-morphology-a-good-predictor-of-floral-visitors-to-antirrhineae-snapdragons-and-relatives
#17
Beatriz Guzmán, José María Gómez, Pablo Vargas
The association between plants and flower visitors has been historically proposed as a main factor driving the evolutionary change of both flower and pollinator phenotypes. The considerable diversity in floral morphology within the tribe Antirrhineae has been traditionally related to pollinator types. We used empirical data on the flower visitors from 59 Antirrhineae taxa from the literature and our own field surveys, which provide an opportunity to test whether flower phenotypes are reliable predictors of visitors and pollinator niches (i...
March 17, 2017: Plant Biology
https://www.readbyqxmd.com/read/28316099/patterns-of-temporal-and-enemy-niche-use-by-a-community-of-leaf-cone-moths-caloptilia-coexisting-on-maples-acer-as-revealed-by-metabarcoding
#18
Ryosuke Nakadai, Atsushi Kawakita
The diversity of herbivorous insects is often considered a function of host plant diversity. However, recent research has uncovered many examples of closely related herbivores using the same host plant(s), suggesting that partitioning of host plants is not the only mechanism generating diversity. Herbivores sharing hosts may utilize different parts of the same plant, but such resource partitioning is often not apparent; hence, the factors that allow closely related herbivores to coexist are still largely undetermined...
March 17, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28303463/erratum-to-fixed-precision-sequential-sampling-plan-for-the-potato-tuberworm-moth-phthorimaea-operculella-zeller-lepidoptera-gelechidae-on-potato-cultivars
#19
M Shahabi, A Rajabpour
No abstract text is available yet for this article.
March 16, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28301564/temperature-dependent-phenology-of-plutella-xylostella-lepidoptera-plutellidae-simulation-and-visualization-of-current-and-future-distributions-along-the-eastern-afromontane
#20
Benignus V Ngowi, Henri E Z Tonnang, Evans M Mwangi, Tino Johansson, Janet Ambale, Paul N Ndegwa, Sevgan Subramanian
There is a scarcity of laboratory and field-based results showing the movement of the diamondback moth (DBM) Plutella xylostella (L.) across a spatial scale. We studied the population growth of the diamondback moth (DBM) Plutella xylostella (L.) under six constant temperatures, to understand and predict population changes along altitudinal gradients and under climate change scenarios. Non-linear functions were fitted to continuously model DBM development, mortality, longevity and oviposition. We compiled the best-fitted functions for each life stage to yield a phenology model, which we stochastically simulated to estimate the life table parameters...
2017: PloS One
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