1,832 research outputs found

    Otiorhynchus (Eunihus) carpathicus J. Daniel & K. Daniel 1898

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    Otiorhynchus (Eunihus) carpathicus J. Daniel & K. Daniel Otiorhynchus carpathicus J. Daniel & K. Daniel, 1899 Records. ZAK [Roubal 1941: 128; Smreczyński 1959: 12; Mazur 2002: 234]. Distribution. Endemic to Carpathians. Material examined. 1 spec. (ZIN) Ivano-Frankivsk Prov.: Chornohora Mt.Range, E slope of Hoverla Mt., alpine meadow, Gusarov leg., 15.viii.1994. Biology. Alpine zone, in grass litter. Adults occur in VI–VIII. Polyphagous.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 282, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Otiorhynchus (Lolatismus) dacicus J. Daniel & K. Daniel 1898

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    Otiorhynchus (Lolatismus) dacicus J. Daniel & K. Daniel Otiorhynchus dacicus J. Daniel & K. Daniel, 1898 Records. ČER ZAK [Penecke, 1923: 185; Yunakov 2003c: 274]. Distribution. Carpathians: Volcanic Ridge Apuseni Mts., South Carpathians. Material examined. Zakarpatska Prov. : 1 f (KUMN) Khust env., Fagus forest I. V. Maltsev leg., 06.vii.1965; 1 m (KUMN) idem, 03.vii.1966. Biology. Deciduous submontane forests. Adults occur in VI–VIII. Polyphagous.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on pages 282-283, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Leiosoma bosnicum K. Daniel 1906

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    Leiosoma bosnicum K. Daniel Leiosoma bosnicum K. Daniel, 1906 Records. ČER IFR LWI ZAK [Roubal 1941: 201; Mazur 2002: 231]. Distribution. SE Europe (Alonso-Zarazaga 2013) Material examined. Zakarpatska Prov. : 2 spec. (ZIN) Chornohora, Yasynya env., Leschitsa River, h= 800 m, V. A. Zaslavskij leg., 15.v.1958; 1 spec. (ZIN) Yasynya env., Tisa River, h= 700 m, V. A. Zaslavskij leg., 25.v.1958; 1 spec. (SIZK) Rakhiv Distr., Hoverla Mt., 900–1000 m, fir forest, V. M. Ermolenko leg., 16.vi.1997; 2 spec. (ZIN) Marmarosh, Holovachiu Randge, Nenyaska, upper stream of Schaul River, 1650 m, at night along stream, N. Yunakov leg., 12.vii.2000; 1 spec. (ZIN) Marmarosh, 13 km upper mouth Kvasnyi River, mouth of Golovach River, N. Yunakov leg., 24.vii.2001; 1 spec. (ZIN) Yasynya—Lazeshchina, 7.x.2004; 1 spec. (KUMN) ca. 18 km SE Rakhiv, Marmarosh, N spurs of ridge Holovachiu, Kvasnij on 13 km higher mouth and Bogdan, N. Yunakov leg., 24.vii.2001; 2 spec. (KUMN) idem, ridge Holovachiu, Mt. Nenyaska, 1650 m, upper reaches of Schaul River, night sweeping along stream, N. Yunakov leg., 12.vii.2000. Biology. Mountain forests. Adults occur in V–VI.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 414, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Bruchela muscula

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    Bruchela muscula (K. Daniel & J. Daniel) * Urodon musculus K. Daniel & J. Daniel, 1903 Records. CRI* KHE* [first record]. Distribution. Bulgaria, Romania, Ukraine. Material examined. Crimea: 3 spec. (KUMN) Krasnoperekopsk [= Yani Kapu]. Distr., Voinka, Bogachev leg., 15.vii.1951; Kherson Prov.: 2 spec. (KUMN) Zavadovka, D.S. Shapiro leg., 15.vi.1951. Biology. Steppes. Adults occur in VI–VII. On Sisymbrium orientale (Brassicaceae) (Korotyaev 2012).Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 28, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Polydrusus (Leucodrusus) mariae

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    Polydrusus (Leucodrusus) mariae (Faust) * Phyllobius mariae Faust, 1882 Records. CRI* KHE* [first record]. Distribution. SE Europe, Western Kazakhstan, Turkey. Material examined. Crimea: 3f (ZIN) Kerch, K. V. Arnoldi leg., 8.vi.1947; Kherson Prov.: 4 f (ZIN), 50 km SE Kakhovka, Askania-Nova Nature Reserve, 46°27'7" N 33°52'51" E, S.I. Medvedev, 28.vi.1928. Biology. Steppe, cattered bushlands and mixed forests. Adults occur in V–VI. Polyphagous on deciduous trees and shrubs.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 317, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Stenoscelis (Stenoscelis) submuricata Schoenherr

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    Stenoscelis (Stenoscelis) submuricata Schoenherr Rhyncolussubmuricata Schoenherr, 1832 Records. KYI ZAK* [Cherkunov 1889: 195]. Distribution. West and South Europe, Algeria, Asia Minor, Middle Asia (Hlavác & Maughan 2013). Material. Zakarpatska Prov.: 1 spec. (ZIN) Velyka Uholka env., pitfall trap K-14, V. Chumak leg., 31.vii.2000. Biology. Deciduous forests. Adults occur in IV–VII. In dead wood of deciduous trees (Folwaczny 1973).Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 178, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Baris memnonia

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    Baris memnonia (Boheman) Baridius memnonia Boheman, 1836 Records. CRI [Lindeman 1871: 285; Zaslavskij 1956: 365]. Distribution. South and SE Europe, Caucasus, Israel, Iran, Central Asia. Material examined. Crimea: 1 spec. (ZIN) Dzhankoyi Distr., Bokhemka (= Lobanovo), 45, 776389°N 34, 244444°E, K. Arnoldi leg. Biology. Grasslands. Adults occur in VI. On Asteraceae: Artemisia (Cholokava 2008).Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 100, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Polydrusus (Scythodrusus) piliferus Hochhuth 1847

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    Polydrusus (Scythodrusus) piliferus Hochhuth Polydrusus piliferus Hochhuth, 1847 Records. CRI ZAP* [Arnoldi et al. 1974: 277]. Distribution. SE Europe, Caucasus, Middle Asia. Material examined. Crimea: 3 spec. (SIZK) Magarach; 1 spec. (SIZK) Malorechenskoe (Küçük Özen), G. Khristophorov & K. Khristophorov leg., 9.v.1907; 1 spec. (SIZK) Gurzuf, G. Khristophorov & K. Khristophorov leg., 16.vi.1907; 1 spec. (SIZK) Morozovka, M. Goncharenko leg., 22.v.1955; 1 f (KUMN) Novoalexeevka, Koval leg., 15.vii.1990; 3 f. (KUMN) Feodosiya Distr., Karadag Nature Reserve, P. Voloshin leg., 31.v.1997; 1 spec. (SIZK) Uglovoe, Malus, S.V. Sviridov leg., 5.iv.1999; 5 spec. (SIZK) idem, 15.iv.1999; 2 spec. (SIZK) idem, 6.v.1999; 5 spec. (SIZK) idem, 3.vi.1999; 4 f. (KUMN) Karadag Nature Reserve, K. Nadein leg., 04.v.2000; 2 f (ZMUN) Alushta Distr., 3 km N of Heneralske, Orta-Özen River bassin, Vtoroi Fontan source, N. Yunakov leg., 28.vi.2002; 2 f (ZMUN) Sudak Distr., 3 km N of Morske, Filimonov R. V. leg., 09.v.2010; 2 f (ZMUN) Simferopol Distr., Salgir River valley, Fersmanovo env., N. Yunakov leg., 12.v.2010; Zaporizhia Prov.: 1 spec. (SIZK) Kamianka-Dniprovska, 16.iv.1999; 3 spec. (SIZK) idem, 17.iv.1999; 2spec. (SIZK) idem, 11.v.1999; 1 spec. (SIZK) idem, 12.v.1999; 1 spec. (SIZK) idem, 7.vi.1999. Biology. Xerothermic shrublands and steppes. Adults occur in V–VI. Polyphagous.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 319, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    Eusomostrophus jailensis Arnoldi

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    Eusomostrophus jailensis Arnoldi Eusomus jailensis Arnoldi, 1965 Euidosomus jailensis (Arnoldi, 1965) Records. CRI [Arnoldi et al. 1965: 532; Yunakov 2003c: 382]. Distribution. Endemic to Crimea. Material examined. Crimea: 21 spec. (ZIN) Ai-Petri Yaila Mt. Range, Mortsheka Mt., h= 900 m, montane steppe, N. Yunakov leg., 26.v.2001; 8 spec. (ZIN) Ai-Petri Mt., K. V. Arnoldi leg., 1947; 6 spec. (ZIN) idem, H. Barrios leg., 2.vi.1982; 6 spec. (ZIN) Babugan-Yaila Mt. Range, h= 1200 m, Th. K. Lukjanovich leg., 16.vi.1927; 2 spec. (ZIN) idem, S.I. Medvedev leg., 14.vii.1956. Biology. Montane grasslands. Adults occur in V–VI. Polyphagous on herbs.Published as part of Yunakov, Nikolai, Nazarenko, Vitalij, Filimonov, Rostislav & Volovnik, Semyon, 2018, A survey of the weevils of Ukraine (Coleoptera: Curculionoidea), pp. 1-494 in Zootaxa 4404 (1) on page 325, DOI: 10.11646/zootaxa.4404.1.1, http://zenodo.org/record/376675

    On reliability function of a k-out-of-n system with general repair time distribution

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    The reliability study of k-out-of-n systems is of interest both from theoretical and practical points of view. Applications of such models can be seen in many real-world phenomena, including telecommunication, transmission, transportation, manufacturing, and services. A probabilistic study of a real-world k-out-of-n system often helps to develop an optimal strategy for maintaining high system-level reliability. There are many investigations devoted to the reliability-centric analysis of such systems. We consider a mathematical model of a repairable k-out-of-n system that works until k of its n components have failed. During the system's life cycle, its components are repaired with the help of a single repair facility. It is supposed that the components' lifetimes have an exponential distribution and their repair times have a general distribution. The proposed model is intended to be applied to the description of operation of unmanned rotorcraft high-Altitude platforms and to be validated with the help of an experimental prototype. For the considered system, we propose an algorithm for calculation of the reliability function, and for special cases, k = 2 and k = 3, its closed-form representation is given. A numerical investigation is performed for special cases. The obtained results are a first step toward the sensitivity analysis of reliability characteristics of k-out-of-n systems to the shape of the repair time distributions of their components. Copyright © The Author(s), 2020. Published by Cambridge University Press
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