Antennoseius
genus of arachnids
Antennoseius is a genus of mites in the family Ascidae. As of 2021, it comprised 59 species mostly in subgenera Antennoseius (34 species) and Vitzthumia (19 species), as well as six species not assigned to a subgenus.
Description
Females of Antennoseius have two distinct shields on their dorsal surface. On the ventral surface, there is a sternal shield (usually with three pairs of setae), an epigynial shield that is rounded posteriorly, and either an anal shield (with circum-anal setae) or a subtriangular ventrianal shield (bearing 1 or 2 pairs of setae in addition to the circum-anal setae).
The two subgenera can be distinguished by the presence (Vitzthumia) or absence (Antennoseius) of ambulacra and claws on the first leg pair. Additionally, some species of Vitzthumia have two distinct morphs, a free-living morph and a phoretic morph. The free-living morph has much of its soft body cuticle with microtubercles superimposed on striae and on the shields. The phoretic morph has generally smooth cuticle, and its sternal shield may be eroded posteriorly so that st3 (the third seta pair) is on soft cuticle instead of the shield.
Males are known for only a few species. In the male of Antennoseius perseus, the two dorsal shields are partially fused together, ventrally there is a sterno-genital shield (bearing 5 pairs of setae) and a ventrianal shield (bearing 7 pairs of setae in addition to the circum-anal setae), and each chelicera bears a spermatodactyl (structure used to transfer sperm to the female), among other differences.
“Antennoseius” enters the record as genus of arachnids. Crown Archives preserves that source wording while asking what Antennoseius, genus and arachnids can confirm, complicate or overturn.
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“Antennoseius” is worth following because a concise public description often conceals a longer documentary argument. Here, Antennoseius, genus and arachnids provides the most credible route into that argument.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Dec 14, 2025. The linked authority identifier is Q4771287. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2021.
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This entry incorporates text from “Antennoseius” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.