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Digital Guide to Moth Identification

990445n – 19445   Lobesia botrana (Denis & Schiffermüller, 1775)              European Grapevine Moth

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Distribution: Europe, Central Asia, and parts of Africa. Introduced to Napa Valley, CA but now eradicated. Seasonality and Size: Completes 1-5 generations depending on geography. European populations have a single generation, whereas populations in Central Asia can have up to five. Forewing length ranges 5.0-8.0mm. Larva and Host Plants: Larval hosts include representatives from the Actinidiaceae, Araliaceae, Asteraceae, Berberidaceae, Caprifoliaceae, Caryophyllaceae, Cornaceae, Ebenaceae, Ericaceae, Grossilariaceae, Lamiaceae, Liliaceae, Menispermaceae, Oleaceae, Ranunculaceae, Rosaceae, and Vitaceae. Some hosts of importance include Cornus spp. (dogwood), Vitis vinifera (wine grape), Parthenocissus quinquefolia (Virginia creeper), Rubus spp. (raspberry) Pyrus communis (common pear), Prunus spp. (nectarine, Japanese plum, sweet almond, European plum, and sweet cherry.Larvae can be keyed out to genus using Gilligan (2008), however it lumps Lobesia with Paralobesia and Endothenia. Description/ Field Marks: Forewing patterning is made up of dark to light brown fascia, with the median fascia being the most distinct and possessing a few black spots on the costal half. The inter-fascial region between the median and sub-basal fascia is has a prominent leaden-grey bar, often outlined in white scales Strigulae 5 & 6, immediately following the median fascia, are leaden grey. A few irregular pale brown markings on the apical third of the wing comprise incomplete fascia. Gilligan et al. (2014) describe many L. botrana as having a " prominent inverted “Y” in the outer half of the forewing. This “Y” is formed from leaden-gray scales outlined in white”. Although true, this is also a feature that can be present in individuals in the genus Paralobesia. Similar Species: L. botrana is indistinguishable from Paralobesia viteana using wing pattern, however genitalia can be used to confirm identify. P. viteana male genitalia posses a sclerotized lobe-like projection at the base of the cucullus which is absent in all other Nearctic Oletherutines. Females can be distinguished by the absence of a signum in the corpus bursae of P. viteana. Pinned specimens of related species. (Hint: select View by Region on the related species page.)

References

(1) Gilligan, T.M., and Epstein, M.E. 2012. Tortricids of Agricultural Importance website (2) Sullivan, M. and T. Molet. 2007. CPHST Pest Datasheet for Lobesia botrana. USDAAPHIS-PPQ-CPHST. Revised November 2014. (3) Gilligan, T. M., Passoa, S.C., and Epstein, M.E. 2014. Screening aid: European Grapevine Moth, Lobesia botrana (Denis & Schiff.). Identification Technology Program (ITP), USDA-APHIS-PPQ-S&T, Fort Collins, CO. 6 pp. [pdf] (4) Gilligan, T.M., Wright, D.J., and Gibson, L. 2008. Olethreutine Moths of the Midwestern United States. An Identification Guide. Bulletin of the Ohio Biological Survey, new series, Volume 16 (2), 334 pp. (5) University of California, IPM online website (6) Species Page at BugGuide.Net

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