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Liriomyza huidobrensis (Blanchard, 1926) [Diptera: Agromyzidae] South American leaf-miner NOT BRITISH Agromyza huidobrensis Blanchard, 1926. Rev. Soc. Entomol. Argent. 1: 10. Liriomyza huidobrensis (Blanchard, 1926); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 382-384, & more. Liriomyza huidobrensis (Blanchard, 1926); Collins, 1996. Ann. appl. Biol. 128: PAGE.

Leaf-mine: An irregular serpentine mine tending to be restricted by veins within segments of the leaf and undulating between upper and lower surface. Chrysanthemum (Chrysanthemum sp.) Chrysanthemum (Chrysanthemum sp.) Primrose (Primula sp.) Celery (Apium graveolens) Saffron Thistle (Carthamus lanatus) Mines of Liriomyza huidobrensis. Images: Crown copyright - courtesy of CSL Larva: Posterior spiracles of the larva with 6-9 bulbs (Nederlandse bladmineerders). Puparium: Puparium yellow to reddish-brown (Nederlandse bladmineerders). Comments: A highly polyphagous pest of ornamental and vegetable crops occasionally intercepted at UK points of entry. The species has been found under glass in England and Wales, but all populations have been and continue to be eradicated (Dom Collins, pers. comm.). Hosts cited here include 128 plant genera in 34 plant families. Liriomyza huidobrensis is listed in the European Community Plant Health Directive (2000/29/EC). As a non-native notifiable pest species, its occurence in the United Kingdom should be notified immediately to the Plant Health and Seeds Inspectorate (tel: 01904 455174, e-mail: planthealth.infodefra.gsi.gov.uk) However, in order to be certain of the identity, the male genitalia should be critically examined. Diagnostic protocols may be found at www.csl.gov.uk/specialInterest/liriomyza.pdf. See also Collins (1996). Parella & Bethke (1984) discuss the biology of L. huidobrensis on Chrysanthemum, Aster and pea and Prando & Cruz (1986) discuss aspects of its biology in the laboratory. Linden (1991) discusses the biological control of the leafminer on Dutch glasshouse tomatoes. Hosts: Liriomyza huidobrensis is recorded from Acanthaceae, Aizoaceae, Alstromeriaceae, Amaranthaceae, Apiaceae, Asteraceae, Balsaminaceae, Boraginaceae, Brassicaceae, Campanulaceae, Caryophyllaceae, Chenopodiaceae, Cucurbitaceae, Fabaceae, Gentianaceae, Goodeniaceae, Lamiaceae, Liliaceae, Linaceae, Malvaceae, Oxalidaceae, Papaveraceae, Polemoniaceae, Primulaceae, Ranunculaceae, Scrophulariaceae, Valerianaceae and Violaceae. Time of year - mines: Unknown. Time of year - adults: Unknown. Distribution in Britain: Found under glass in England and Wales, but all populations have been and continue to be eradicated (Dom Collins, pers. comm.). Added to the Irish list by O'Connor, Dunne & Hume (1990). Distribution elsewhere: Worldwide. Europe including Austria, Belgium, Canary Is., Corsica, Crete, Cyclades Is., Cyprus, Czech Republic, Dodecanese Is., European Turkey, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Malta, Norwegian mainland, Poland, Portuguese mainland, Sicily, Spanish mainland, Switzerland and The Netherlands (Martinez in Fauna Europaea). Native to the Americas (Spencer, 1990). Recorded from Belize, Costa Rica, Dominican Republic, El Salvador, Guadeloupe, Guatemala, Honduras, Nicaragua, Panama, Argentina, Brazil, Goias, Minas Gerais, Sao Paulo, Chile, Colombia, Easter Island, Ecuador, Peru and Venezuela (CABI Distribution Maps of Plant Pests, 2002, Map 568) Also recorded in U.S.A. (California, Florida, Hawaii, Utah, Virginia), Canada (Ontario), Hawaii, Easter Island, Malaysia, Singapore, Mauritius, Réunion, Seychelles, Israel, Lebanon, Syria, China, Fujian, Gansu, Guangdong, Guizhou, Hebei, Shandong, Sichuan, Xinjiang, Yunnan, India, Uttar Pradesh, Indonesia, Java, Sulawesi, Sumatra, Israel, Japan, Korea Dem People's Republic, Lebanon, Malaysia, Peninsular Malaysia, Philippines, Singapore, Sri Lanka, Syria, Taiwan, Thailand, Turkey, Comoros, Kenya, Mauritius, Morocco, Reunion, Seychelles, South Africa, Zimbabwe, Australia and Guam (CABI Distribution Maps of Plant Pests, 2002, Map 568). Parasitoids: Chrysocharis orbicularis (Nees, 1834) Hymenoptera: Eulophidae Chrysocharis pentheus (Walker, 1839) Hymenoptera: Eulophidae Chrysocharis pubicornis (Zetterstedt, 1838) Hymenoptera: Eulophidae Cirrospilus vittatus Walker, 1838 Hymenoptera: Eulophidae Diglyphus crassinervis Erdös, 1958 Hymenoptera: Eulophidae Diglyphus isaea (Walker, 1838) Hymenoptera: Eulophidae Diglyphus minoeus (Walker, 1838) Hymenoptera: Eulophidae Hemiptarsenus ornatus (Nees, 1834) Hymenoptera: Eulophidae Neochrysocharis formosa (Westwood, 1833) Hymenoptera: Eulophidae Pediobius metallicus (Nees, 1834) Hymenoptera: Eulophidae Pnigalio soemius (Walker, 1839) Hymenoptera: Eulophidae Cyrtogaster vulgaris Walker, 1833 Hymenoptera: Pteromalidae Halticoptera circulus (Walker, 1833) Hymenoptera: Pteromalidae Halticoptera patellana (Dalman, 1818) Hymenoptera: Pteromalidae

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Last updated 30-Sep-2008  Brian Pitkin