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Curculionidae

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https://www.readbyqxmd.com/read/28931153/the-coffee-berry-borer-coleoptera-curculionidae-in-puerto-rico-distribution-infestation-and-population-per-fruit
#1
Yobana A Mariño, Victor J Vega, José M García, José C Verle Rodrigues, Noelia M García, Paul Bayman
The coffee berry borer (CBB) (Hypothenemus hampei: Ferrar) was first detected in Puerto Rico in 2007. Its distribution since then has been extensive, but not extensively documented. An island-wide survey was carried out from August to November 2014 (the coffee production season) to assess CBB distribution, infestation, and population per fruit. The CBB was well-established throughout the coffee-growing area of Puerto Rico, but was not evenly distributed. Infestation (or percentages of fruits perforated) in sites sampled ranged from 0 to 95%, and CBB number per infested fruit varied from 1 to 34 individuals...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28922899/the-current-status-of-the-distribution-range-of-the-western-pine-beetle-dendroctonus-brevicomis-curculionidae-solytinae-in-northern-mexico
#2
O Valerio-Mendoza, F Armendáriz-Toledano, G Cuéllar-Rodríguez, José F Negrón, G Zúñiga
The distribution range of the western pine beetle Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae) is supported only by scattered records in the northern parts of Mexico, suggesting that its populations may be marginal and rare in this region. In this study, we review the geographical distribution of D. brevicomis in northern Mexico and perform a geometric morphometric analysis of seminal rod shape to evaluate its reliability for identifying this species with respect to other members of the Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae) complex...
September 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28867173/different-processing-of-capa-and-pyrokinin-precursors-in-the-giant-mealworm-beetle-zophobas-atratus-tenebrionidae-and-the-boll-weevil-anthonomus-grandis-grandis-curculionidae
#3
Susanne Neupert, Pawel Marciniak, Rene Köhler, Ronald J Nachman, Charles P-C Suh, Reinhard Predel
Capa and pyrokinin (pk) genes in hexapods share a common evolutionary origin. Using transcriptomics and peptidomics, we analyzed products of these genes in two beetles, the giant mealworm beetle (Zophobas atratus; Tenebrionidae) and the boll weevil (Anthonomus grandis grandis; Curculionidae). Our data revealed that even within Coleoptera, which represents a very well-defined group of insects, highly different evolutionary developments occurred in the neuropeptidergic system. These differences, however, primarily affect the general structure of the precursors and differential processing of mature peptides and, to a lesser degree, the sequences of the active core motifs...
August 31, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28854660/synergistic-combinations-of-a-pyrethroid-insecticide-and-an-emulsifiable-oil-formulation-of-beauveria-bassiana-to-overcome-insecticide-resistance-in-listronotus-maculicollis-coleoptera-curculionidae
#4
Shaohui Wu, Olga S Kostromytska, Albrecht M Koppenhöfer
The annual bluegrass weevil, Listronotus maculicollis (Kirby), is a major pest of golf course turf in eastern North America and has become particularly problematic owing to widespread development of insecticide resistance. As an alternative option to manage resistant adult L. maculicollis, we explored combinations of the pyrethroid insecticide bifenthrin with an emulsifiable oil formulation of the entomopathogenic fungus Beauveria bassiana strain GHA (Bb ES). Combinations synergistically enhanced mortality in both insecticide-susceptible and insecticide-resistant L...
August 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28854652/evaluations-of-insecticides-and-fungicides-for-reducing-attack-rates-of-a-new-invasive-ambrosia-beetle-euwallacea-sp-coleoptera-curculionidae-scolytinae-in-infested-landscape-trees-in-california
#5
Michele Eatough Jones, John Kabashima, Akif Eskalen, Monica Dimson, Joey S Mayorquin, Joseph D Carrillo, Christopher C Hanlon, Timothy D Paine
A recently discovered ambrosia beetle with the proposed common name of polyphagous shot hole borer (Euwallacea sp., Coleoptera: Curculionidae: Scolytinae), is reported to attack >200 host tree species in southern California, including many important native and urban landscape trees. This invasive beetle, along with its associated fungi, causes branch dieback and tree mortality in a large variety of tree species including sycamore (Platanus racemosa Nutt.). Due to the severity of the impact of this Euwallacea sp...
August 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28828255/quercivorol-as-a-lure-for-the-polyphagous-and-kuroshio-shot-hole-borers-euwallacea-spp-nr-fornicatus-coleoptera-scolytinae-vectors-of-fusarium-dieback
#6
Christine Dodge, Jessica Coolidge, Miriam Cooperband, Allard Cossé, Daniel Carrillo, Richard Stouthamer
The polyphagous shot hole borer and Kuroshio shot hole borer, two members of the Euwallacea fornicatus species complex (Coleoptera: Curculionidae: Scolytinae), are invasive ambrosia beetles that harbor distinct species of Fusarium fungal symbionts. Together with the damage caused by gallery construction, these two phytopathogenic Fusarium species are responsible for the emerging tree disease Fusarium dieback, which affects over 50 common tree species in Southern California. Host trees suffer branch dieback as the xylem is blocked by invading beetles and fungi, forcing the costly removal of dead and dying trees in urban areas...
2017: PeerJ
https://www.readbyqxmd.com/read/28808822/is-prey-specificity-constrained-by-geography-semiochemically-mediated-oviposition-in-rhizophagus-grandis-coleoptera-monotomidae-with-its-specific-prey-dendroctonus-micans-coleoptera-curculionidae-scolytinae-and-with-exotic-dendroctonus-species
#7
Loïc Dohet, Jean-Claude Grégoire
Examples of totally specific predators are rare, and the mechanisms underlying this specificity are often poorly understood. In Eurasia, the Monotomid beetle Rhizophagus grandis is found only in the galleries of its prey, the bark beetle Dendroctonus micans. The specificity of R. grandis relies on kairomones which female predators use to adjust their oviposition to the number of prey larvae available in a gallery. Yet these chemical signals are still largely unknown. The North American D. punctatus and D. valens, which are not sympatric with R...
August 14, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28769729/review-of-the-genera-of-conoderinae-coleoptera-curculionidae-from-north-america-central-america-and-the-caribbean
#8
Salvatore S Anzaldo
The thirty-nine extant genera of Conoderinae known to occur in North America, Central America, and the Caribbean are reviewed based on external morphology. An identification key is provided along with diagnoses, distributions, species counts, and natural history information, when known, for each genus. Morphological character systems of importance for weevil classification are surveyed, potential relationships among the tribes and genera are discussed, and groups most in need of taxonomic and phylogenetic attention are identified...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769721/new-curculionoidea-coleoptera-records-for-quebec-canada
#9
Pierre de Tonnancour, Robert S Anderson, Patrice Bouchard, Claude Chantal, Stéphane Dumont, Robert Vigneault
The following species of Curculionoidea are newly recorded from the Canadian province of Quebec: Coelocephalapion emaciipes (Fall, 1898); Ischnopterapion virens (Herbst, 1797); Omphalapion hookerorum (Kirby, 1808); Perapion punctinasum (J.B. Smith, 1884) (all Brentidae); Anthonomus robustulus LeConte, 1876; Pseudanthonomus helvolus (Boheman, 1843); Bagous magister LeConte, 1876; Bagous tanneri O'Brien, 1979; Buchananius striatus (LeConte, 1876); Ceutorhynchus bolteri Dietz, 1896; Ceutorhynchus pallidactylus (Marsham, 1802); Ceutorhynchus pauxillus Dietz, 1896; Conotrachelus buchanani Schoof, 1942; Conotrachelus pusillus LeConte, 1878; Conotrachelus recessus (Casey, 1910); Curculio rubidus (Gyllenhal, 1835); Cylindrocopturus longulus (LeConte, 1876); Hadroplontus litura (Fabricius, 1775); Hypera rumicis (Linnaeus, 1758); Lixus terminalis LeConte, 1876; Myosides seriehispidus Roelofs, 1873; Phloeotribus dentifrons (Blackman, 1921); Plocamus echidna (LeConte, 1876); Scolytus muticus Say, 1824; Sirocalodes sericans (LeConte, 1876); Smicronyx sculpticollis Casey, 1892 (all Curculionidae)...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769711/description-of-the-immature-stages-of-larinus-vulpes-and-notes-on-its-biology-coleoptera-curculionidae-lixinae
#10
Jiří Skuhrovec, Semyon Volovnik, Rafał Gosik
Mature larva and pupa of Larinus vulpes (Olivier, 1807) (Curculionidae: Lixinae: Lixini) are morphologically described for the first time and compared with known larvae and pupae of other Larinus species. Very high counts of larval body setae (pronotum with more than 25 setae and postdorsum on meso- and metathorax and also on abdominal segments I-VII with more than 12 setae) are characteristic features of the nominotypical subgenus Larinus. The biology of the species was studied in Ukraine. Echinops ruthenicus and E...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769710/the-genus-apodrosus-marshall-1922-in-cuba-coleoptera-curculionidae-entiminae-polydrusini
#11
Robert S Anderson, Guanyang Zhang
The genus Apodrosus Marshall is newly recorded for, and revised for Cuba. Nine new species are recognized as follows: Apodrosus alberti (type locality, Granma, Parque Nacional Pico Turquino), A. alternatus (type locality, Guantánamo, El Yunque), A. franklyni (type locality, Cienfuegos, Parque Nacional Pico San Juan), A. griseus (type locality, Santiago de Cuba, Siboney-Jutici Ecological Reserve), A. mensurensis (type locality, Holguin, Parque Nacional La Mensura-Piloto), A. pseudoalternatus (type locality, Matanzas, Varahicacos), A...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769698/review-of-the-species-of-leptomias-faust-from-sichuan-china-coleoptera-curculionidae-entiminae
#12
Zhenzhen Song, Li Ren, Runzhi Zhang, Chenggang Zhou
An account is given of the twelve species of Leptomias Faust, 1886 occurring in the Sichuan Province of China, including the description of a new species, Leptomias verticalis Ren, Zhang & Song, sp. n. from Jiulong County, Southwest Sichuan. New locality data and remarks for the other eleven species, a key to and distribution map of all twelve Sichuan species are provided. Leptomias chenae Alonso-Zarazaga & Ren is transferred to Geotragus Schoenherr, 1845, where its valid name is G. granulatus (Chao, 1980), comb...
2017: ZooKeys
https://www.readbyqxmd.com/read/28769635/a-new-paraleius-species-acari-oribatida-scheloribatidae-associated-with-bark-beetles-curculionidae-scolytinae-in-canada
#13
Wayne Knee
Bark beetles (Scolytinae) are hosts to a broad diversity of mites (Acari), including several genera of Oribatida (Sarcoptiformes). Of these, Paraleius (Scheloribatidae) species are the most frequently collected oribatid mites associated with bark beetles. A new species was discovered while surveying the acarofauna of bark beetles in Eastern Canada and is described as Paraleius leahaesp. n. (Oribatida, Scheloribatidae). This species was collected from two host beetle species, Hylastes porculus Erickson and Dendroctonus valens LeConte, in Ontario, New Brunswick and Nova Scotia...
2017: ZooKeys
https://www.readbyqxmd.com/read/28755087/efficacy-and-cost-of-trap-bait-combinations-for-capturing-rhynchophorus-palmarum-l-coleoptera-curculionidae-in-ornamental-palm-polycultures
#14
J Murguía-González, I Landero-Torres, O R Leyva-Ovalle, M E Galindo-Tovar, R C Llarena-Hernández, E Presa-Parra, M A García-Martínez
Ornamental palms are an economically important component of international trade yet have recently experienced yield losses in Mexico due to red ring and bud rot diseases, which are spread by Rhynchophorus palmarum L. Considering that massive capture is a common strategy to control this pest and the cost of commercial traps and baits could be inaccessible for small farmers, an inexpensive trap-bait combination is desired. In this study, 16 trap-bait combinations for capturing R. palmarum were assessed in ornamental palm polycultures over the course of 1 year...
July 28, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28731628/aerial-release-of-rhinoncomimus-latipes-coleoptera-curculionidae-to-control-persicaria-perfoliata-polygonaceae-using-an-unmanned-aerial-system
#15
Yong-Lak Park, Srikanth Gururajan, Harold Thistle, Rakesh Chandran, Richard Reardon
BACKGROUND: Rhinoncomimus latipes (Coleoptera: Curculionidae) is a major biological control agent against the invasive plant, Persicaria perfoliata. Release of R. latipes is challenging with the current visit-and-hand release approach because P. perfoliata shows a high degree of patchiness in the landscape, possesses recurved barbs on its stems, and often spreads into hard-to-access areas. This 3-year study developed and evaluated unmanned aerial systems (UAS) for precise aerial release and survivorship of R...
July 21, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28626604/seasonal-shifts-in-accumulation-of-glycerol-biosynthetic-gene-transcripts-in-mountain-pine-beetle-dendroctonus-ponderosae-hopkins-coleoptera-curculionidae-larvae
#16
Jordie D Fraser, Tiffany R Bonnett, Christopher I Keeling, Dezene P W Huber
Winter mortality is a major factor regulating population size of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae). Glycerol is the major cryoprotectant in this freeze intolerant insect. We report findings from a gene expression study on an overwintering mountain pine beetle population over the course of 35 weeks. mRNA transcript levels suggest glycerol production in the mountain pine beetle occurs through glycogenolytic, gluconeogenic and potentially glyceroneogenic pathways, but not from metabolism of lipids...
2017: PeerJ
https://www.readbyqxmd.com/read/28612029/in-vitro-evaluation-of-antimicrobial-activity-of-alimentary-canal-extracts-from-the-red-palm-weevil-rhynchophorus-ferrugineus-olivier-larvae
#17
Gamal H Sewify, Hanan M Hamada, Hani A Alhadrami
The invasive red palm weevil, Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae), is considered one of the world's most devastating insect pests to palm trees. It was observed that larvae of this pest are able to inhibit microbial growth on the rearing media when they start feeding and this observation has led us to study the effect of red palm weevils on various microbial species. The antimicrobial effect of extracts from different parts of the alimentary canal on Gram positive bacteria (Enterococcus faecalis and Staphylococcus aureus), Gram negative bacteria (Escherichia coli and Klebsiella spp...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28610243/first-record-of-the-granulate-ambrosia-beetle-i-xylosandrus-i-i-crassiusculus%C3%A2-i-coleoptera-curculionidae-scolytinae-in-the-iberian-peninsula
#18
Diego Gallego, José Luis Lencina, Hugo Mas, Julia Ceveró, Massimo Faccoli
The Granulate Ambrosia Beetle Xylosandrus crassiusculus, an alien species of Asian origin, was recorded for first time in the Iberian Peninsula. Many specimens were collected in October 2016 in the Valencia region (Spain) from infested carob trees. The species is included in the EPPO Alert List as causing serious damage in many Mediterranean regions. A key for the morphological identification of the Xylosandrus species occurring in Europe is also reported.
June 6, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609962/-i-macrocyrtus-i-i-imomzodai-i-bar%C3%A5-evskis-2016-a-new-synonym-of-i-metapocyrtus-i-i-orthocyrtus-i-i-orbiferoides-i-schultze-1918-coleoptera-curculionidae-entiminae
#19
Hiraku Yoshitake
Metapocyrtus (Orthocyrtus) orbiferoides Schultze, 1918 was described based on the female holotype collected from Ilocos Norte, North Luzon, Philippines. Since that time, it has been left unstudied for almost a century until I examined the holotype of M. (O.) orbiferoides in 2010 at Senckenberg Naturhistorische Sammlungen, Museum für Tierkunde, Dresden (SMTD). Recently, Barševskis (2016) described Macrocyrtus imomzodai based on two female specimens from Ilocos Norte, Luzon. Judging from the original description and dorsal and lateral habitus images, it is quite apparent that M...
April 18, 2017: Zootaxa
https://www.readbyqxmd.com/read/28609889/a-new-species-of-eupholus-boisduval-from-west-new-guinea-coleoptera-curculionidae
#20
Alexander Riedel, Thierry Porion
Eupholus Boisduval is outstanding among weevils for its large body size and splendid coloration. Nevertheless, some species have eluded discovery until recently. Here we describe E. marielaurae sp. n. from the Arfak Mountains of West New Guinea. We provide morphological and molecular characters to differentiate it from E. cuvierii (Guérin-Méneville).
May 8, 2017: Zootaxa
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