Water-mite-association
Guides
Ranatra nigra
Ranatra nigra is a waterscorpion species in the family Nepidae, occurring in aquatic environments of the Mobile/Tensaw Delta. The species has been documented in association with the water mite Hydrachna magniscutata, which exhibits temporal distribution patterns linked to R. nigra. As a member of the genus Ranatra, it possesses the elongated body form and raptorial forelegs characteristic of waterscorpions.