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Liriomyza
huidobrensis (Blanchard, 1926) South American leaf-miner NOT BRITISH. Agromyza
huidobrensis Blanchard, 1926. Rev. Soc. Entomol. Argent.
1: 10. |
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Leaf-mine: An irregular serpentine mine tending to be restricted by veins within segments of the leaf and undulating between upper and lower surface. Corridor; usually the mine begins with a short upper-surface stretch, then continues lower-surface, in the sponge parenchyma. Often the mine follows the midrib or a thick lateral vein for long distances. Most mines are found in the basal half of the leaf. Frass in thread fragments and strings. Pupation outside the mine (Bladmineerders van Europa).
Larva: Posterior spiracles of the larva with 6-9 bulbs (Bladmineerders van Europa). Puparium: Puparium yellow to reddish-brown (Bladmineerders van Europa). 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. Joan Childs discovered this miner in Pisum sativa (pea) imported from Nicaragua, at a shop in Potton in Bedfordshire in January 2005 (British leafminers). Chenopodium ambrosioides is treated as Dysphania ambrosioides (Mexican-tea); Lycopersicon esculentum is treated as Solanum lycopersicum (Tomato) and Picris echioides is treated as Helminthotheca echioides (Bristly Oxtongue) by Stace (2010). 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 Great Britain & Ireland: 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). NBN Grid map: 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). NBN interactive distribution maps of known host species in Britain and elsewhere: Parasitoids in Britain and elsewhere:
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17-Jul-2010
Brian Pitkin
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