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Observations on the ecology of two beetle pests of ash, Leperesinus fraxini (Coleoptera, Scolytidae) and Stereonychus fraxini (Coleoptera, Curculionidae)


, : Observations on the ecology of two beetle pests of ash, Leperesinus fraxini (Coleoptera, Scolytidae) and Stereonychus fraxini (Coleoptera, Curculionidae). Revue Forestiere Francaise 35(4): 283-288

S. fraxini is a weevil that attacks only Fraxinus excelsior. It has 2-3 generations per yr. Most damage is caused by the larvae attacking the foliage. The adults may attack the buds. The bark beetle L. fraxini has one generation a year. The emergent adults attack the young branches, causing tumours.

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Related references

Lemperiere, G.M.lphettes, C., 1983: Observations on the ecology of two Coleoptera pests of ash: Leperesinus fraxini Panz. (Coleoptera, Scolytidae), Stereonychus fraxini De Geer (Coleoptera, Curculionidae). Revue forestiere francaise5(4): 283-288

Lemperiere, G.; Malpheltes, C-B., 1983: Observations sur l'ecologie de deux coleopteres ravageurs du frene Leperesinus fraxini Panz. (Coleoptera, Scolytidae) Stereonychus fraxini DeGeer (Coleoptera, Curculionidae). Revue Forestiere Francaise (Nancy): 354: 283-288

Blando, S.; Mineo, G., 2005: Further data on bioethology of Stereonychus fraxini De Geer Coleoptera Curculionidae and on its parasitoids on Olea europea L orchards Ulteriori osservazioni sullo Stereonychus fraxini De Geer in rapporto allolivo e sui fattori biotici di controllo Coleoptera Curculionidae. In this note further data both on bioethology and natural biological control of Stereonychus fraxini (De Geer) (Curculionidae) are presented. The observations were carried out in some olive orchards of Western Sicily, during 2004. It was recorded...

Blando, S.; Mineo, G., 2003: On the phenology of postembrional stages of Stereonychus fraxini De Geer, 1775 Coleoptera Curculionidae and on its parasitoids in Sicily Sulla fenologia degli stadi postembrionali dello Stereonychus fraxini De Geer, 1775 Coleoptera Curculionidae e sui suoi parassitoidi in Sicilia. The phenology of the stages of Stereonychus fraxini (De Geer) in some olive orchards, for about two years (2001-2002) in Sicily, has been observed; at the same time observations, either on the life-cycle, or on the ethology, as well as on the natu...

Blando, S.; Mineo, G., 2004: On bioethology of Stereonychus fraxini De Geer, 1775 on Olea europea L in Sicily Bioetologia di Stereonychus fraxini De Geer, 1775 Coleoptera Curculionidae in rapporto allolivo. The work deals with the bioethology of Stereonychus fraxini infesting the olive trees in Sicily, observed during 2000-2003. Either in the adult, or in the larval stage, the species prefers to develop on tender leaves, but occasionally may infest a...

Blando, S.; Mineo, G., 2004: Bioetologia di Stereonychus fraxini (De Geer, 1775) (Coleoptera: Curculionidae) in rapporto all'olivo. The work deals with the bioethology of Stereonychus fraxini infesting the olive trees in Sicily, observed during 2000-2003. Either in the adult, or in the larval stage, the species prefers to develop on tender leaves, but occasionally may infest a...

Poiras, AA., 1993: Notes on the biology of Stereonychus fraxini Deg. (Coleoptera: Curculionidae) and annotited list of its parasites. Buletinul Academiei de Stiinte a Republicii Moldova Stiinte Biologice si Chimice, 1: 37-41, 78: 262

Blando, S.; Mineo, G., 2005: Further data on bioethology of Stereonychus fraxini (De Geer) (Coleoptera Curculionidae) and on its parasitoids on Olea europea L. orchards. In this note, further data both on bioethology and natural biological control of Stereonychus fraxini (Curculionidae) are presented. The observations were carried out in some olive orchards of Western Sicily, Italy, during 2004. A very high percen...

Blando, S.; Mineo, G., 2003: On the phenology of postembrional stages of Stereonychus fraxini (De Geer, 1775) (Coleoptera: Curculionidae) and on its parasitoids in Sicily. The phenology of S. fraxini at different developmental stages, life cycle, ethology and natural enemies were determined in olive orchards in Sicily, Italy, during 2001-02. S. fraxini attacked the young leaves of olives and its larval trophic activ...

Chararas, C., 1958: Observations sur la biologie de Leperesinus fraxini Panz. (Col. Scolytidae). The author gives detailed descriptions of the life-history of Hylesinus (Leperisinus) fraxini (Panz.) and of the galleries it bores in ash trees (Fraxinus excelsior), based on observations in the forests of Haute-Savoie and in the laboratory. Ther...