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Ekrem Atakan - One of the best experts on this subject based on the ideXlab platform.

  • Distribution and seasonal abundance of predatory bugs, Orius spp. (Hemiptera: Anthocoridae) in Adana Province, Turkey
    Turkish Journal of Entomology, 2019
    Co-Authors: Serkan Pehlivan, Ekrem Atakan
    Abstract:

    Orius  species are considered effective biological control agents of thrips both in fields and greenhouses worldwide. The seasonal abundance and distributions of  Orius  and thrips species were determined from different arable crops and weeds in Adana Province in 2015-2016. In this study, a total of six species of genus  Orius  namely,  Orius albidipennis  (Reuter,1884),  Orius horvathi  (Reuter,1884),  Orius laevigatus  (Fieber, 1860),  Orius minutus  (L., 1758),  Orius niger  (Wolff, 1881) and  Orius vicinus  (Ribaut, 1923) (Hemiptera: Anthocoridae) were identified.  Orius niger  was the most common predatory Anthocorid species with 1944 specimens, and followed by  O. laevigatus  with 447 specimens. While,  O. laevigatus  and  O. niger  were found to be active throughout the year,  O. vicinus  was only active in spring and summer, and the other  Orius  spp. were collected in summer. The predatory bugs were mostly found with the pestiferous thrips,  Frankliniella occidentalis  Pergande, 1895 and  Thrips hawaiiensis  (Morgan, 1913) (Thysanoptera: Thripidae) in diverse agricultural areas. Alfalfa, faba bean and sunflower were determined as a crucial host plant for  Orius  spp. Also, sesame could be potential companion (trap or banker) plant to support the predatory bugs in augmentative and conservative biological control strategies. Of the weeds sampled,  Glebionis segetum Fourr. and  Sinapis arvensis  L. were the most colonized by  Orius  spp. From results it is concluded that  O. niger  and  O. laevigatus  are well adapted to the geographical conditions and plant biodiversity in Adana Province. Therefore, these predatory bugs could be crucial biological control agents of thrips species in field crops.

  • Predatory insect species associated with thrips (Thysanoptera) species on some medicinal and aromatic plants
    2018
    Co-Authors: Ekrem Atakan, Serkan Pehlivan
    Abstract:

    Thripsler (Thysanoptera) Çukurova’da değişik ürünlerde ekonomik düzeyde zarara sebep olabilen türlerdir. Thrips türlerinin bazıları konukçusu olan bitkilerde beslenme yoluyla verdikleri zarara ilave olarak virus hastalığı taşıyarak da sorun olmaktadır. Tıbbi ve aromatik bitkiler üzerinde saptanan Thrips ve faydalı türleri ile önemleri konusunda bilgiler bulunmamaktadır. Bu amaçla çalışma 2013-2014 yıllarında Adana ilinde Çukurova Üniversitesi Balcalı kampüsünde doğal olarak yetişen bazı tıbbi ve aromatik bitkiler üzerinde yürütülmüştür. Dokuz familyaya bağlı 13 bitki türü örneklenmiştir. Çalışma sonucunda Aeolothripidae, Phlaeothripidae ve Thripidae familyalarından 11 Thysanoptera türü saptanmıştır. Çalışmada çoğunlukla Anthocoridae (Hemiptera) türleri olmak üzere 6 avcı böcek türü kaydedilmiştir. Zararlı thrips türleri içerisinde en yaygın Thrips tabaci Lindeman (%33.85); avcı türlerden ise Orius niger (Wolff) (%68.66) saptanmıştır. Örnekleme yapılan bitkiler arasında Lantana camara (Mine çalısı) bitkisinin çok sayıda zararlı ve faydalı türe konukçuluk ettiği belirlenmiştir. Ocimum basilicum (Fesleğen), Salvia spledens (Ateş çiçeği), Hibiscus syriacus (Ağaçhatmi) ve Abelia grandiflora (Kelebek çalısı) üzerinde zararlı thrips türü bulunamamıştır. O. basilicum üzerinde çoğunlukla avcı Orius türleri kaydedilmiştir. O.basilicum zararlı thripsler için muhtemelen uzaklaştırıcı etki gösterirken, Orius spp.’yi cezbetmektedir. Örneklenen bitkiler üzerinde thrips veya diğer zararlı böceklerden kaynaklanan herhangi bir zarar görülmemiştir. Bu durumun avcı böceklerden kaynaklandığı düşünülmektedir. Ocimum basilicum ekolojik tıbbi ve aromatik bitki yetiştiriciliği dahil farklı ürün gruplarında avcı böcekleri destekleyen banker bitki olarak değerlendirilebilir.Thrips (Thysanoptera) is often recognized as harmful insect species in crops cultivated in Çukurova region of Turkey. Some thrips species is also well-known as a vector of virus disease of some plants. Knowledge of thrips and beneficial insects in medicinal and aromatic plants is not well-understood. For this aim, this study was carried out on medicinal and aromatic plants grown naturally in Balcalı campus of Çukurova University during 2013-2014. A total of 13 plant species belonging to nine plant families were sampled. A total of 11 Thysanoptera species belonging to families Aeolothripidae, Phlaeothripidae and Thripidae were identified. A total of six predatory insect species, most of which belong to family Anthocoridae (order Hemiptera) was recorded. Thrips tabaci Lindeman was the most prevalent pest thrips comprising of 33.85% of total adult individuals. Predatory anthocorid Orius niger (Wolff) accounted for 68.66% of total predatory adult insects. Species numbers and abundance of thrips and their predators were greater on Lantana camara (Lantana) than on others. Ocimum basilicum (Basil), Salvia spledens (Scarlet sage) and Hibiscus syriacus (Rose of Sharon) did not host any harmful insects. O. basilicum visited by most Orius species may have showed repellent effect against the pest thrips, while it is more attractive to Orius species. No thrips or any insect damage was observed on the plants sampled. One reason of this issue may be due to insect suppressions by the predatory insects. O. basilicum may also be evaluated as a banker plant supporting predators in ecologically cultivations of medicinal and aromatic and other crop plants

  • Abundance patterns of predatory bugs, Orius spp. (Hemiptera: Anthocoridae) and their some insect preys on winter faba bean with different planting dates in Adana province, Turkey
    2012
    Co-Authors: Ekrem Atakan
    Abstract:

    Population densities of predatory bugs, Orius spp. (Hemiptera: Anthocoridae) and their insects preys on faba bean were investigated in Adana province of Turkey in two growing seasons, 2007/08 and 2008/09. Faba bean was planted on 10 October, 25 October, 10 December and on 25 December. Insect species were sampled by beating the plants vigorously into a white plastic container. Leafhopper complex species [Asymmetrasca decedens (Paoli) and Empoasca decipiens Paoli] (Hemiptera: Cicadellidae) and pea aphid, Acrytosiphum pisum (Haris) (Hemiptera: Aphididae) were more abundant insect in late plantings in December. Orius spp. [Orius niger (Wolff) ve Orius laevigatus (Fieber)] were the main predacious insects. Orius spp. were significantly more abundant on the early-planted beans in January-February, but later, Orius adults moved to late- planted plots, especially plots planted on 10 December when plants were bearing high numbers of flowers at that period. Although significant and positive relationships between Orius spp. and aphid populations were detected only in plots with the latest planting date, but this relationship had no more contribution to abundance of Orius spp. It is commented that Orius spp. benefited more from the faba bean plants for plant meal, shelter, mating and ovipositon sites than from insect prey species. Finally, it would better to cultivate faba bean in late October (preferentially, on 25 October) in the eastern Mediterranean region conditions, due to plants having low abundance of main pests and high abundance of the predators, and also high numbers of fruiting parts.

  • distributions of western flower thrips thysanoptera thripidae and its predatory bug Orius niger hemiptera anthocoridae assessed by coloured sticky traps and plant samplings in cotton
    Archives of Phytopathology and Plant Protection, 2011
    Co-Authors: Ekrem Atakan, Ahmet Bayram
    Abstract:

    The capturing efficiency of four coloured (yellow, green, white and blue) sticky traps, placed at the top, middle and bottom strata of cotton plants, was tested for the western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), and its predatory bug, Orius niger (Wolff) (Hemiptera: Anthocoridae), as well as spatial distributions of both insects on the plant in years 2006 and 2007. The white coloured trap was the most attractive to F. occidentalis and O. niger in the 2-year study. The blue coloured trap was the least attractive for Orius. The mean numbers of F. occidentalis and O. niger on the top plant parts (flowers and leaves) and in all coloured traps positioned on the upper parts of the plants were greater than those found in the lower two strata. Taylor's power law analysis showed that F. occidentalis and O. niger adults aggregated in the flowers or on the leaves. This study suggests that top flowers could be preferentially sampled to determine population densities of Fra...

  • Influence of weedy field margins on abundance patterns of the predatory bugs Orius spp. and their prey, the western flower thrips (Frankliniella occidentalis), on faba bean
    Phytoparasitica, 2010
    Co-Authors: Ekrem Atakan
    Abstract:

    The influence of weedy field strips on the abundance patterns of western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae), and predatory bugs of Orius spp. (Hemiptera: Anthocoridae), on faba bean and on weeds was investigated in Adana province, Turkey, during 2005–2006. There were two treatments: in one treatment, weeds at the margins and inside the plots were regularly controlled by tillage; in the other treatment no weed control was done. Thrips and Orius were sampled by beating faba bean plants and weeds. Orius niger (Wolff) was the most abundant predatory insect species in faba bean and flowering weeds, with numbers of adults and nymphs significantly greater in plots with weedy margins than in weed-free plots. Flowering weeds did not contribute to the abundance of F. occidentalis on faba bean. Abundance of adults of Orius spp. did not coincide with the abundance of F. occidentalis on faba bean or weeds. There were significant negative associations for numbers of Orius spp. among faba bean and the weed species Lamium amplexicaule L. or Sinapis arvensis L. ( P  

Nuria Agustí - One of the best experts on this subject based on the ideXlab platform.

  • Understanding trophic interactions of Orius spp. (Hemiptera: Anthocoridae) in lettuce crops by molecular methods.
    Pest management science, 2015
    Co-Authors: Priscila Gomez-polo, Oscar Alomar, Cristina Castañé, Thaïs Aznar-fernández, Jonathan G. Lundgren, Josep Piñol, Nuria Agustí
    Abstract:

    BACKGROUND The aphid Nasonovia ribisnigri (Mosley) (Hemiptera: Aphididae) and the thrips Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) are common pests in Mediterranean lettuce crops, where Orius spp. are common generalist predators. Predation by Orius spp. was studied in a lettuce plot by conventional polymerase chain reaction (PCR) and real-time PCR analyses using specific primers of both main pests. Also, high-throughput sequencing was used to have a wider approach of the diet of these predators in natural field conditions. RESULTS Molecular analyses indicated a higher predation on N. ribisnigri in spring and on F. occidentalis in summer. Predation on alternative prey, like Collembola, was also found in both seasons. Real-time PCR was more sensitive than conventional PCR in showing the target trophic links, whereas high-throughput sequencing revealed predation on other natural enemies – intraguild predation (IGP), showing other trophic interactions of Orius majusculus within the studied ecosystem. CONCLUSIONS This study gives important information about the trophic relationships present in Mediterranean lettuce crops in different periods of the year. The detected predation by Orius spp. on alternative prey, as well as on other natural enemies, should be further investigated to clarify whether it adds or detracts to the biological control of N. ribisnigri and F. occidentalis. © 2015 Society of Chemical Industry

  • Identification of Orius spp. (Hemiptera: Anthocoridae) in vegetable crops using molecular techniques
    Biological Control, 2013
    Co-Authors: Priscila Gomez-polo, Oscar Alomar, Cristina Castañé, Jordi Riudavets, Nuria Agustí
    Abstract:

    Abstract The species of the genus Orius Wolff are well known as generalist predators able to control pest outbreaks in several agroecosystems. Correct species identification can be problematic given their similarities, particularly in the immature stage. A pair of primers previously designed from the internal transcribed spacer-1 (ITS-1) region was able to discriminate between seven Orius species commonly present in Mediterranean vegetable crops (Orius majusculus, Orius laevigatus, Orius minutus, Orius laticollis, Orius horvathi, Orius albidipennis and Orius niger), as well as to correctly identify O. majusculus and O. laevigatus from commercial colonies. This molecular tool was used for the discrimination of Orius spp. present in two lettuce crops, as well as in a Lobularia maritima flower margin in northeast Spain in 2009 and 2010. Molecular analyses revealed that O. laevigatus, O. majusculus and O. niger were the most common species present in both lettuce plots and the L. maritima border, although there was some variation depending on the plant and year. This molecular tool permits unambiguous identification of these species and allows proper implementation of biological control programs based on conservation.

Tomohide Yasunaga - One of the best experts on this subject based on the ideXlab platform.

  • Three new species of the flower bug genus Orius (Hemiptera: Heteroptera: Anthocoridae) from Nepal
    Acta Entomologica Musei Nationalis Pragae, 2019
    Co-Authors: Tomohide Yasunaga, Kazutaka Yamada, Ram Keshari Duwal
    Abstract:

    Abstract Three new species of the flower bug genus Orius Wolff, 1811 (Anthocorinae: Oriini) are described as new, namely Orius (Orius) ekaii sp. nov., O. (Orius) nigromaritus sp. nov., and O. (XylOrius) paveli sp. nov., all from Nepal. The plant association and habitat are documented for each new species. Habitus images of live individuals and scanning electron micrographs are also provided to aid in proper recognition of their identities. A checklist of Orius species known from South Asia (SAARC nations) is incorporated; Orius indicus (Reuter, 1884) is herein placed in the subgenus Dimorphella Reuter, 1884.

  • A new species of the flower bug genus Orius Wolff (Hemiptera: Anthocoridae) cryptically inhabiting Hibiscus tiliaceus L. (Malvaceae).
    Zootaxa, 2019
    Co-Authors: Tomohide Yasunaga
    Abstract:

    A new species of the anthocorid genus Orius Wolff (subgenus HeterOrius Wagner), O. (H.) hibiscus sp. n., is described, based on specimens recently found from the coastal area of Okinawa Island, Ryukyus, Japan. This new species, evidently most related to Orius (HeterOrius) strigicollis (Poppius), was found to prefer cryptic habitat, or bract and flower bud of Hibiscus tiliaceus (L.) (Malvaceae) planted at urbanized zones in Naha City. Diagnostic characters of the new species are described, comparing with those of other Japanese members of HeterOrius, based on detailed observation using a SEM. An updated checklist and revised key are provided to aid in identification of all known Japanese Orius species.

  • The flower bug genus Orius Wolff, 1811 (Hemiptera: Heteroptera: Anthocoridae: Oriini) of Thailand
    Journal of Natural History, 2015
    Co-Authors: Kazutaka Yamada, Tomohide Yasunaga, Taksin Artchawakom
    Abstract:

    ABSTRACTThe flower bug genus Orius Wolff, 1811 (Hemiptera: Heteroptera: Anthocoridae: Oriini) in Thailand is reviewed. Eleven valid species are recognised; seven of them are described as new to science: Orius (O.) sakaerat, O. (O.) taksini, O. (O.) tomokunii, O. (O.) filiferus, O. (O.) machaerus, O. (O.) inthanonus and O. (TrichOrius) crassus. Orius (HeterOrius) dravidiensis Muraleedharan, 1977, which has been known from India, is recorded from Thailand for the first time, and is correctly placed in the subgenus Dimorphella Reuter, 1884. The subgenus ParaOrius Yasunaga and Miyamoto, 1993 is proposed as a synonym of Dimorphella. Diagnoses, digital habitus images, scanning electron micrographs and illustrations of diagnostic features including both male and female genitalia are provided. Keys to the Thai species are offered to facilitate identification. Biology of Thai species is also discussed.

  • Taxonomic review of the genus Orius (Heteroptera: Anthocoridae) in the Korean Peninsula
    Journal of Asia-pacific Entomology, 2010
    Co-Authors: Sunghoon Jung, Tomohide Yasunaga, Seunghwan Lee
    Abstract:

    A total of five species the genus Orius are revised from the Korean Peninsula, containing four native species, O. minutus (Linnaeus 1758), O. sauteri (Poppius 1909), O. nagaii Yasunaga 1993 and O. strigicollis (Poppius 1914), and an introduced species for biological control, O. laevigatus Fieber 1860. Orius laticollis Reuter 1884, formally recorded in the Korean Peninsula, is deleted from the Korean fauna registry. The preparation of the macerated slide specimen was applied to this group for the first time, which is confirmed to be effective to identify the Orius species, especially the female specimens whose genital structures have been hardly observed in the traditional dissection method. Observing macerated specimens, new taxonomical characters are documented.

  • A new species of the genus Orius Wolff (Heteroptera: Anthocoridae) found on Okinawa Island, Japan
    Applied Entomology and Zoology, 2000
    Co-Authors: Tomohide Yasunaga
    Abstract:

    A new species of flower or minute pirate bug, Orius takaii, is described from Okinawa Island, the Ryukyus, Japan. This is the first Japanese representative of the nominotypical subgenus of Orius. The anthocorid was confirmed to be associated with a leguminous vine, Pueraria montana, and can be reared with a bulb mite, Rhizoglyphus robini Claparede.

Masaya Watanabe - One of the best experts on this subject based on the ideXlab platform.

  • Novel strain of Spiroplasma found in flower bugs of the genus Orius (Hemiptera: Anthocoridae): transovarial transmission, coexistence with Wolbachia and varied population density.
    Microbial Ecology, 2013
    Co-Authors: Masaya Watanabe, Kazuki Miura, Fumiko Yukuhiro, Taro Maeda, Daisuke Kageyama
    Abstract:

    Spiroplasma, a group of small, wall-less, helical, and motile bacteria belonging to the Mollicutes, contains species with diverse life histories. To date, all the Spiroplasma strains that are known to be transmitted vertically in arthropod lineages belong to either the Spiroplasma ixodetis group or the Spiroplasma poulsonii group. Here, we found that a unique strain of Spiroplasma vertically transmitted in predatory flower bugs of the genus Orius belongs to the Spiroplasma insolitum group, which is a group of bacteria phylogenetically closely related to S. insolitum derived from the tickseed sunflower, Bidens sp. (Asterales: Asteraceae). The infection frequencies in natural populations were16.0 % in Orius sauteri (n = 75), 40.5 % in Orius nagaii (n = 37), and 8.0 % in Orius minutus (n = 87). Orius strigicollis was not infected with Spiroplasma (n = 147). In the early stage of oogenesis (i.e., within the germarium), a large number of bacteria with the typical morphology of Spiroplasma existed, keeping a distance from Wolbachia bacteria. The Spiroplasma population seemed to increase during host development but Wolbachia population did not.

  • Distribution Patterns of Wolbachia Endosymbionts in the Closely Related Flower Bugs of the Genus Orius: Implications for Coevolution and Horizontal Transfer
    Microbial ecology, 2012
    Co-Authors: Masaya Watanabe, Yohsuke Tagami, Kazuki Miura, Daisuke Kageyama, Richard Stouthamer
    Abstract:

    Vertical transmission is the primary route of the endosymbiont Wolbachia for its own spread among invertebrate hosts, but horizontal transmission between different hosts is believed to have occurred multiple times. However, it is not well known how Wolbachia commonly spread among closely related hosts. We focused on the closely related species of the minute pirate bugs belonging to the genus Orius, which are important biological control agents in agricultural crops because they are the most useful natural enemy of various tiny pests, such as thrips. Here, we examined five Orius species (Orius sauteri, Orius nagaii, Orius minutus, Orius strigicollis, and Orius tantillus) from eight geographic localities in Japan for Wolbachia infection. Two distinct strains, wOus1 and wOus2, were detected based on Wolbachia surface protein (wsp) gene sequencing. Furthermore, multilocus sequence typing revealed that each of the strains comprised two variants that differed in a single nucleotide. The overall distribution patterns of the two Wolbachia strains were found to differ among host species: prevalent double infection with wOus1 and wOus2 in O. strigicollis; fixation of single infection with wOus2 in O. nagaii; occurrence of single infection with wOus1 in O. sauteri; prevalence of single infection with wOus1 in O. minutus with an exception in a single population; and lack of Wolbachia infection in O. tantillus. Such differences in the distribution patterns of Wolbachia may reflect the evolutionary history of Wolbachia infection among Orius species and/or ecological and physiological differences among the Orius species that determine the invasiveness and maintenance of the two Wolbachia strains.

Daisuke Kageyama - One of the best experts on this subject based on the ideXlab platform.

  • Novel strain of Spiroplasma found in flower bugs of the genus Orius (Hemiptera: Anthocoridae): transovarial transmission, coexistence with Wolbachia and varied population density.
    Microbial Ecology, 2013
    Co-Authors: Masaya Watanabe, Kazuki Miura, Fumiko Yukuhiro, Taro Maeda, Daisuke Kageyama
    Abstract:

    Spiroplasma, a group of small, wall-less, helical, and motile bacteria belonging to the Mollicutes, contains species with diverse life histories. To date, all the Spiroplasma strains that are known to be transmitted vertically in arthropod lineages belong to either the Spiroplasma ixodetis group or the Spiroplasma poulsonii group. Here, we found that a unique strain of Spiroplasma vertically transmitted in predatory flower bugs of the genus Orius belongs to the Spiroplasma insolitum group, which is a group of bacteria phylogenetically closely related to S. insolitum derived from the tickseed sunflower, Bidens sp. (Asterales: Asteraceae). The infection frequencies in natural populations were16.0 % in Orius sauteri (n = 75), 40.5 % in Orius nagaii (n = 37), and 8.0 % in Orius minutus (n = 87). Orius strigicollis was not infected with Spiroplasma (n = 147). In the early stage of oogenesis (i.e., within the germarium), a large number of bacteria with the typical morphology of Spiroplasma existed, keeping a distance from Wolbachia bacteria. The Spiroplasma population seemed to increase during host development but Wolbachia population did not.

  • Distribution Patterns of Wolbachia Endosymbionts in the Closely Related Flower Bugs of the Genus Orius: Implications for Coevolution and Horizontal Transfer
    Microbial ecology, 2012
    Co-Authors: Masaya Watanabe, Yohsuke Tagami, Kazuki Miura, Daisuke Kageyama, Richard Stouthamer
    Abstract:

    Vertical transmission is the primary route of the endosymbiont Wolbachia for its own spread among invertebrate hosts, but horizontal transmission between different hosts is believed to have occurred multiple times. However, it is not well known how Wolbachia commonly spread among closely related hosts. We focused on the closely related species of the minute pirate bugs belonging to the genus Orius, which are important biological control agents in agricultural crops because they are the most useful natural enemy of various tiny pests, such as thrips. Here, we examined five Orius species (Orius sauteri, Orius nagaii, Orius minutus, Orius strigicollis, and Orius tantillus) from eight geographic localities in Japan for Wolbachia infection. Two distinct strains, wOus1 and wOus2, were detected based on Wolbachia surface protein (wsp) gene sequencing. Furthermore, multilocus sequence typing revealed that each of the strains comprised two variants that differed in a single nucleotide. The overall distribution patterns of the two Wolbachia strains were found to differ among host species: prevalent double infection with wOus1 and wOus2 in O. strigicollis; fixation of single infection with wOus2 in O. nagaii; occurrence of single infection with wOus1 in O. sauteri; prevalence of single infection with wOus1 in O. minutus with an exception in a single population; and lack of Wolbachia infection in O. tantillus. Such differences in the distribution patterns of Wolbachia may reflect the evolutionary history of Wolbachia infection among Orius species and/or ecological and physiological differences among the Orius species that determine the invasiveness and maintenance of the two Wolbachia strains.

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