The genus Hyalessa China is reviewed based on the discovery of male of the type species H. ronshana China as well as the description of one new species (H. batangensis sp. n.). The species formerly included in the genus Sonata Lee are removed to Hyalessa as new combinations. Intraspecific variations of H. maculaticollis are enumerated based on materials collected from various locations from Chi...

Exocrine glands in the legs of social insects are found throughout all leg segments, but studies exocrine solitary very limited. We discovered a novel gland at apex fore, mid and hind femurs from six representative species Cicadidae, which we propose to name as epithelial femoral gland. The is located between paired apodemes articulation membrane within femur, faces proximal region tibia. midle...