Ascidae
Ascidae is a family of mites in the order Mesostigmata. Description Ascidae are mites characterised by: seta ''st4'' usually on unsclerotised cuticle, peritrematic shield broadly connected to exopodal shield beside coxa IV, fixed cheliceral digit with setiform ''pilus dentilis'' and movable cheliceral digit usually with two teeth, sternal shield with three pairs of lyrifissures and the third pair usually on the shield's posterior margin, genital shield truncate to convex posteriorly (tapering in some ''Antennoseius''), with an anal shield bearing only circumanal setae (rare) or a ventrianal shield bearing additionally up to seven pairs of setae, and spermathecal apparatus laelapid-type. This family is morphologically similar to Blattisociidae and Melicharidae, and these families were formerly included within Ascidae. Life cycle The life cycle of Ascidae consists of the stages egg, larva, protonymph, deutonymph and adult. Each stage has a duration measurable in days. Th ...
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