Bakerdania

Dorsum of male Bakerdania exigua, from Walter et al. (2009).

Belongs within: Pygmephoroidea.

Bakerdania is a genus of pygmephoroid mites characterised by the first two legs being subequal in length and trochanter IV medially constricted.

Characters (from Bee Mite ID): Female with posterior margin of posterior sternal plate entire; leg I subequal with leg II; tergite C not covering prodorsum; two pairs of propodosomal dorsal setae; leg I four-segmented, with tarsus and tibia I fused forming tibiotarsus; two pairs of setae on each coxae I-II; claw I medium-sized, not striated; tarsus IV with claws; trochanter IV subquadrate (not triangular), distinctly constricted in middle part; setae d of femur I modified, slightly widened; pinnaculum on tibiotarsus I absent or present, bearing 1 seta (tc'') or wide, bearing several setae; basal part of gnathosoma not elongated; palps shorter than basal part of gnathosoma; bothridial setae, present, clavate; median genital sclerite absent.

<==Bakerdania Sasa 1961 H98
    |--B. arvorum M83
    |--B. blumentritti K91
    |--B. centriger Z91
    |--B. exigua WL09
    |--B. gracilis M83
    |--B. longiclavata M83
    |--B. mirabilis M83
    |--B. novaezelandica M83
    |--B. quadrata WL09
    |--B. sellnicki M83
    |--B. tarsalis M83
    |--B. togatus M83
    `--B. workandae Southcott 1982 H98

*Type species of generic name indicated

REFERENCES

[H98] Halliday, R. B. 1998. Mites of Australia: A checklist and bibliography. CSIRO Publishing: Collingwood.

[K91] Kampmann, T. 1991. The density of Tarsonemida in cropped arable soil in relation to fertilizer and crop-protection treatments. In: Schuster, R., & P. W. Murphy (eds) The Acari: Reproduction, development and life-history strategies pp. 485–489. Chapman & Hall: London.

[M83] Martin, N. A. 1983. Miscellaneous observations on a pasture fauna: an annotated species list. DSIR Entomology Division Report 3: 1–98.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3^rd ed. pp. 233–420. Texas Tech University Press.

[Z91] Zaki, A. M. 1991. Potency of solarization and fumigation of some pesticides on predacious soil mites associated with cantaloupe in Egypt. In: Dusbábek, F., & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 2 pp. 719–723. SPB Academic Publishing: The Hague.