New data on quarantine pests and pests of the EPPO Alert List
By browsing through the literature, the EPPO Secretariat has extracted the following new data concerning quarantine pests and pests included on the EPPO Alert List. The situation of the pest concerned is indicated in bold, using the terms of ISPM no. 8.
- New geographical records
Echinothrips americanus is reported for the first time from Austria. In February 2000, it was found in Vienna on glasshouse azalea (Rhododrendron simsii), on which it caused heavy damage. Present: only in one glasshouse in Vienna. (Kahrer ; Lethmayer, 2000).
Mycosphaerella pini (EU Annexes) is reported to cause needle blight in Pinus sylvestris var mongolica in Neimenggu, China. The EPPO Secretariat had previously no data on M. pini in China. Present: in Neimenggu. Review of Plant Pathology, 79(12), p 1254 (8999).
Phyllocnistis citrella has been reported in Bermuda in August 2000. Present: widespread. (Pollard, 2000).
- Detailed records
In Slovenia, Ditylenchus dipsaci (EPPO A2 quarantine list) was found in 1997 on chicory. In 1998, closer monitoring showed that it is present in the region of Primorska (west part). Serious damage was seen near Nova Gorica and Šempeter on chicory, spinach and lettuce. Nematological Abstracts, 69(4), p 211 (1516).
In Lebanon, Globodera rostochiensis (EPPO A2 quarantine pest) is reported in the central Bekaa region. It was detected on 17% of the sampled fields. Nematological Abstracts, 69(4), p 263 (1885).
Ips cembrae (EU Annexes) occurs in Liaoning Province, China. Review of Agricultural Entomology, 88(12), p 1581 (11418).
Ophiostoma novo-ulmi is reported for the first time on the island of Ibiza, Baleares (Spain). (García Rotger ; Romero Casado, 1996).
Pissodes nemorensis (EPPO A1 quarantine pest) occurs in Kentucky, US. Review of Agricultural Entomology, 88(10), p 1288 (9309).
Ralstonia solanacearum (EPPO A2 quarantine pest) occurs on potato fields in Mérida state, the main potato-growing area in Venezuela. During a survey it was observed that disease incidence increased from 22 % in 1992 to 37% in 1996. Proportion of biovars present was respectively: I (6%), II (82%), III (12%). Review of Plant Pathology, 79(10), p 1018 (7344).
Ralstonia solanacearum (EPPO A2 quarantine pest) race 2 biovar III occurs in potato fields in El-Minia Governorate, Egypt. Review of Plant Pathology, 79(11), p 1125 (8083).
Stephanitis pyrioides (EPPO Alert List) is a pest of azaleas in Maryland, US. (Shrewsbury ; Raupp, 2000)
In New Zealand, Strawberry latent ringspot nepovirus (EU Annexes) is reported in Auckland and Hawke Bay. (Anonymous, 2001).
Xanthomonas axonopodis pv. citri (EPPO A1 quarantine pest) is present in Gujarat, India. Review of Plant Pathology, 79(10), p 1029 (7418).
Xanthomonas oryzae pv. oryzae (EPPO A1 quarantine pest) is present in Guarico state, Venezuela. Review of Plant Pathology, 79(12), p 1223 (8775).
Citrus variegated chlorosis caused by Xylella fastidiosa (EPPO A1 quarantine pest) is reported for the first time from the state of Bahia, Brazil. Review of Plant Pathology, 79(12), p 1239 (8886).
- New host plants
In Virginia (US), the following plant species have been identified as alternative hosts of Xylella fastidiosa (EPPO A1 quarantine pest): Acer negundo, Aesculus hybrid, Celastrus orbiculatus, Cornus florida and Hedera helix. Review of Plant Pathology, 79(11), p 1159 (8339).
Sources
Anonymous (2001) Directory. New organisms records: 25/11/00-5/1/01. Biosecurity Issue 25, 1st February 200,; MAF, Wellington (NZ), 16-17.
García Rotger, M.; Romero Casado, J. (1996) Presence of the ‘Dutch elm disease’ on Ibiza (the Balearic islands).
Boletín de Sanidad Vegetal Plagas, 22(4), 791-803.
Kahrer, A.; Lethmayer, C. (2000) Echinothrips americanus Morgan (Thysanoptera, Thripidae) introduced in Austria.
Pflanzenschutzberichte, 59(1), 47-48
Pollard, G.V. (2000) Update on new pest introductions. Circular Letter No. 1/00, 1st December 2000, CPPC, FAO, Barbados.
Shrewsbury, P.M.; Raupp, M.J. (2000) Evaluation of components of vegetational texture for predicting azalea lace bug, Stephanitis pyrioides (Heteroptera: Tingidae), abundance in managed landscapes.
Environmental Entomology, 29(5), 919-926.
EPPO Secretariat, 2001-03.
Nematological Abstracts, 69(4). December 2000.
Review of Agricultural Entomology, 88(10 ; 12). October and December 2000.
Review of Plant Pathology, 79(10, 11, 12). October, November and December 2000