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Iphiseius

Taxonomic Position

Cohort Gamasina

    Subcohort Dermanyssiae

  Superfamily Phytoseioidea

Family Phytoseiidae Berlese

Subfamily Amblyseiinae Muma

Iphiseius Berlese

Monotypic = I. degenerans Berlese (= martigellus El-Badry)

 

Diagnostic characters:

 

Similar taxa.  Phytoseiinae and Typhlodrominae have either or both of setae z3 and s6.   The most similar Amblyseiinae are members of the genus Euseius, but they are not as heavily sclerotized and brown in color and they have an entire (typically vase-shaped) ventrianal shield.  Some individuals of Ricoseius loxocheles De Leon have a narrowly divided ventrianal shield, but they also have mostly very long setae and 3 pairs of r-R (r3, r5, R1) setae in the soft cuticle alongside the shield.

 

Ecology & Distribution. Iphiseius degenerans may have originated in Africa but is used in biological control and is now found in many parts of the world.

 

 

References

Athias-Henriot C. 1957. Phytoseiidae et Aceosejidae (Acarina, Gamasina) d'Algerie. I. Genres Blattisocius Keegan, Iphiseius Berlese, Amblyseius Berlese, Phytoseius Ribaga, Phytoseiulus Evans. Bulletin de la Société d'Histoire Naturelle de l'Afrique du Nord 48 : 319-352.

 

Chant DA & McMurtry JA.  2005.  A review of the subfamily Amblyseiinae Muma (Acari: Phytoseiidae): Part VI.  The tribe Euseiini n. tribe, subtribes Typhlodromalina n , subtribe, Euseiina n. subtribe, and Ricoseiina n. subtribe.  International Journal of Acarology 31: 187-224.

 

El-Badry EM.  1968.  On a new predatory mite of economic significance from the Sudan (Acarina: Phytoseiidae).  Acarologia 10: 432-436.

Pritchard EA &  Baker EW.  1963.  Mites of the family Phytoseiidae from Central Africa, with remarks on the genera of the world.  Hilgardia 33: 205-309.

Tseng YH.  1976.  Systematics of the mite family Phytoseiidae from Taiwan, with a revised key to the genera of the world (II).  Journal of the Agricultural Association of China 94: 86-128.