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Bulb Mite

Scientific Name
Rhizoglyphus echinopus
Scientific Author
(Fumouze & Robin, 1868)
Taxonomy
(Acari: Astigmata: Acaridae: Rhizoglyphinae)
Pest Status
0 Unknown
0 Unknown
Status
NZ - Exotic
NZ - Exotic
Reliability
High
High
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Diagnostic Images

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Diagnostic Images (6)
Diagnostic Notes
Female

Setae sci 1-2 times of length of genu I, ratio sci-sci : sci-sce = 1.1 (0.9-1.1). Grandjean's organ deeply bifurcate. Supracoxal setae scx thick and bifurcate apically. Setae d2 far from gla. Anal opening with 6 pairs of small setae, 3 pairs of them slightly longer than others. Copulatory opening with a small circular shield; spermathecal duct broadly expanded from copulatory opening to inner part of spermatheca. Inner part of spermatheca large and Y-shaped; sclerites of oviducts widely expanded, distance between them 115 (97-122), basal part sub equal to branches. Ratio sigma': sigma" = 1.1 (1.0-1.1). Solenidion w1 on tarsus I thin and long. Conical spine ba on tarsus I about 1.4 (0.9-1.4) times of length of omega 1.

Male

Setae d2 far from gla. Ratio sci-sci : sci-sce = 1.2 (1.2-1.5). Aedeagus terminally truncated, canal of aedeagus without lumps. Anal discs without radiating lines, its diameter less than one third length of ps2. Setae ps1 4.9 (4.5-4.9) times of length of genu IV, more than three times length of ps2. Setae ps2 1.3 (0.8-1.4) times of length of genu IV, ps3 slightly blunt. Ratio sigma': sigma" = 1.1 (1.1-1.2). Solenidion phi on tibia IV pointed, about as long as ventral seta kT.

References

- Fan, Q.-H. & Zhang, Z.-Q. (2004). Revision of Rhizoglyphus Claparede (Acari :Acaridae) of Australia and Oceania. Systematic & Applied Acarology Society, London, 374pp.
More Information
Specimen Contact
MAF Plant Health & Environment Laboratory
Author
MAF Plant Health & Environment Laboratory
Created
14/04/2011 02:32 AEST
Last Updated
01/05/2014 20:44 AEST
Citation
MAF Plant Health & Environment Laboratory (2011) Bulb Mite (Rhizoglyphus echinopus) Updated on 5/1/2014 8:44:43 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

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