No. 16 (30 Apr. 2003): 1-16
Accepted: 4 Apr. 2003
Rhizoglyphus echinopus
and
Rhizoglyphus robini (Acari:
Acaridae) from
Australia and New Zealand: identification,
host plants and geographical distribution
QING-HAI FAN* & ZHI-QIANG ZHANG
Landcare Research, Private Bag 92170,
Auckland, New Zealand
*Fujian Agricultural and Forestry University, Fuzhou 350002, China
Abstract
Rhizoglyphus echinopus (Fumouze
& Robin, 1868) and R. robini Claparède,
1869 are important pests attacking bulbs,
corms and tubers of a variety of crops (e.g. onions, garlic and other
vegetables) and ornamentals (lily and other
flowers) in greenhouses and in the field worldwide. Their taxonomy, however,
is in a state of confusion. Based on a study
of several hundreds of specimens from Australia and New Zealand, as well as
other countries around the world, this paper
provides diagnoses and illustrations of key characters to facilitate the rapid
and accurate identification of these two
species. Data on host plants, distribution and quarantine implications are
also provided.
Key words:
Acaridae, Rhizoglyphus,
identification, biosecurity, plant hosts, distribution
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