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A New Subfamily, Macroseiinae Nov., of the Family Phytoseiidae (Acarina: Gamasina)

Published online by Cambridge University Press:  31 May 2012

D. A. Chant ,
H. A. Denmark  and
E. W. Baker
D. A. Chant
Affiliation:
Entomology Research Institute for Biological Control, Research Branch, Canada Department of Agriculture Belleville Ontario.
H. A. Denmark
Affiliation:
State Pant Board of Florida, Gainesville, Florida.
E. W. Baker
Affiliation:
Entomology Research Division, United States Department of Agriculture, Washington, D.C.
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Extract

Baker and Wharton (1952) elevated the Phytoseiidae, formerly a subfamily in the Laelaptidae, to family rank and included two subfamilies: the Phytoseiinae and the Podocininae. Evans (1957) subsequently elevated the latter to family rank also, leaving only the subfamily Phytoseiinae in the Phytoseiidae.

Both Evans (1958) and Chant (in press) characterized the Phytoseiidae as having a two-tined palpal claw, a single dorsal shield in the adult, not more than 21 pairs of setae on the dorsal shield, and a ventrianal shield, or remnant thereof, in the adults of both sexes. One of the present authors (H.A.D.) recently collected specimens of a mite that has this combination of characters except that the dorsal shield of the adults is divided into two sub-equal parts instead of being single. Most of the features of this mite indicate that it cannot reasonably be separated from the Phytoseiidae and that the presence of two dorsal shields justifies the erection of a new subfamily, described below.

Type
Articles
Information
The Canadian Entomologist , Volume 91 , Issue 12 , December 1959 , pp. 808 - 811
Copyright
Copyright © Entomological Society of Canada 1959

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References

Baker, E. W., and Wharton, G. W.. 1952. An introduction to Acarology. Macmillan Co., New York.Google Scholar
Baker, E. W., Camin, J. H., Cunliffe, F., Woolley, T. A., and Yunker, C. E.. 1958. Guide to the families of mites. Univ. Maryland, Inst. Acarology, Contrib. no. 3.Google Scholar
Chant, D. A.In press. Phytoseiid mites (Acarinia: Phytoseiidae) Part I. Bionomics of seven species in southeastern England. Part II. A taxonomic review of the family Phytoseiidae, with descriptions of 38 new species. Canadian Ent. Supplement 12.Google Scholar
Evans, G. Owen. 1957. The genera Podocinum Beri, and Podocinella gen. nov. (Acarina: Mesostigmata). Ann. Mag. Nat. Hist., Ser. 12. 10: 913–932.CrossRefGoogle Scholar
Evans, G. Owen. 1958. An introduction to the British Mesostigmata (Acarina) with keys to families and genera. J. Linnean Soc. London, Zool. 43: 203–259.CrossRefGoogle Scholar