ABSTRACT BACKGROUND: The aquatic Acari are known as water mites and occupy a wide range of habitats. The freshwater mites, Unionicola aegyptiaca, were collected from the freshwater mussel, Caelatura aegyptiaca, River Nile, Sohag,Egypt. The present paper focuses on the structure of the cuticle and musculature of freshwater mite, U. aegyptiaca. RESULTS: Histologically, the cuticle consists of two main layers: epicuticle ... Read more

ABSTRACT Mites of the family Unionicolidae were collected from the freshwater bivalves _Caelatura aegyptiaca_ and _Unio abyssinicus_ (family Unionidae). Two new species of unionicolid mites namely _Unionicola tetrafirrcatus_ and _Unionicola difitrcatus_ were collected and described by means of seaming electron microscopic study , The adults of U. tetrafurcatus were found in the mussels Caelatura aegyptiaca and Unio abyssinicus, while those ... Read more

The oribatid mite _Trimalaconothrus crassipes_ n. sp. was described for the first time from the roots of the floating aquatic plant, _Eichhornia crassipes_, River Nile, Girga, Sohag, Egypt. The present species has the characteristic features that are in accordance with those of family Malaconothridae and genus_ Trimalaconothrus_. The present species has specific characters compared with characters of other species of ... Read more

THE ORIBATID MITE _TRIMALACONOTHRUS CRASSIPES_ N. SP. WAS DESCRIBED FOR THE FIRST TIME FROM THE ROOTS OF THE FLOATING AQUATIC PLANT, _EICHHORNIA CRASSIPES_, _THE ROOTS OF THE FLOATING AQUATIC PLANT, EICHHORNIA CRASSIPES_, THE ROOTS OF THE FLOATING AQUATIC PLANT, _EICHHORNIA CRASSIPES_, RIVER NILE, GIRGA, SOHAG, EGYPT. THE PRESENT SPECIES HAS THE CHARACTERISTIC FEATURES THAT ARE IN ACCORDANCE WITH THOSE OF ... Read more