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Liriomyza huidobrensis (serpentine leafminer) in New South Wales and Queensland

Publication Date
Fri, 30 Jul 2021, 01:47
Last Updated
July 30, 2021, 2:13 a.m.
Report Number
Pest Id
Liriomyza huidobrensis - (LIRIHU)
Report Status
Serpentine leafminer has a wide host range. Fifteen plant families and 40 plant species are recorded as hosts. The main hosts include beans, celery, chrysanthemums, garlic, lettuce, marrows, onions and peas (CABI, 2019).
Pest Status (ISPM 8 - 2021)
  • Present: not widely distributed and under official control
Geographical Distribution
New South Wales and Southern Queensland

In October 2020, Liriomyza huidobrensis (serpentine leafminer) was detected causing damage on field grown vegetables in Sydney, New South Wales. After delimiting surveys, serpentine leafminer was detected at several sites in New South Wales and at a property in southern Queensland. Due to the pest’s biology and distribution, it was determined that serpentine leafminer is not eradicable from Australia.

Synonyms: Agromyza huidobrensis (Blanchard, 1926), Liriomyza cucumifoliae (Blanchard, 1938), Liriomyza decora (Blanchard, 1954), Liriomyza dianthi (Frick, 1958), Liriomyza langei (Frick, 1951)

Liriomyza huidobrensis is a highly polyphagous pest with hosts in 15 families. It has a very wide global distribution. Leaf damage occurs through puncture wounds from adult feeding and egg deposition, and the larvae tunnel, or mine, within the leaf tissue. The damage can reduce the photosynthetic capacity of the plants. Severe unmanaged infestations of it may result in premature leaf drop, poor growth, and reduced crop yields. Serpentine leafminer is present in New South Wales and Southern Queensland. As it is not widely distributed within Australia, it is currently under regional official control for Western Australia.
Contact for info
Australian Chief Plant Protection Officer Australian Government Department of Agriculture GPO Box 858 Canberra ACT 2601 [email protected]
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