Baetiella muchei (Braasch, ۱۹۷۸) (Ephemeroptera: Baetidae) new to India, with reference to the morphological variability of the larvae

Baetiella muchei (Braasch, ۱۹۷۸) is recorded for the first time from the Neeru stream of Jammu and Kashmir, India. The variability in larval characters such as size, the shape of the labrum, and the number of the sub-marginal arc of setae in the labrum differs from ۱۲ to ۲۲, degree of fusion of the mandibular incisors, spines on the distal margin of the tergites, distal margin of the paraproct, and the length of cerci are observed from the Indian population when compared to the type specimens. The species number of Baetiella Uéno, ۱۹۳۱ has now increased to six in India. A distributional map of this species is also provided.

کلیدواژه ها:

Himalayas ، mayflies ، new record ، Oriental ، Palaearctic