hysterosoma

hysterosoma

[¦his·tə·rə′sō·mə]
(invertebrate zoology)
A body division of an acarid mite composed of the metapodosoma and opisthosoma.
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References in periodicals archive ?
If the male, on locating an achieve female, the male was found gradually climbing over the back of the female by clasping around the female hysterosoma with its first and second pair of legs, so that both pairing individuals were facing the same direction.
Body division into an anterior propodosoma and posterior hysterosoma with well marked setae was clearly visible at the stage.
The posterior end of the male hysterosoma appeared conical due to the forked nature of aedeagus.
2 F) The rear end of the female hysterosoma was rounded bearing genital plate on the ventral side.
Sexual dimorphism was quite prominent with the narrow wedge shaped and pointed hysterosoma for the male and a large, oval- rounded hysterosoma for the female.
While in quiescence, all the legs were found withdrawn beneath the hysterosoma and the individual at this stage appeared oval in shape.
The hysterosoma of the female nymph was broad and flattened while that of the male nymph was narrow and tapering posteriorly.
Sexually mature male was smaller than female with a tapering hysterosoma and elongated legs.
Posterior tip of the male hysterosoma was then held in a characteristic curved position, protruding the club shaped aedeagus upwards to the vagina of the female.