"Characters of D. mediohirsuta";Comments "General colour cupreous";"Same colour as D. clavareaui" "Antennae with the terminal segments rufo-piceous, 3–5 segments partly rufous and partly piceous";"Same as D. clavareaui" "Third antennae segment distinctly longer than the second one, but slightly shorter than the fourth one";"Same as D. clavareaui" "Pronotum more transversal";"In D. clavareaui the pronotum is as long as wide or slightly longer than wide; female specimens of Donacia sp. sometimes have a slightly broader pronotum" "Pronotum finely pubescent only on the median groove";"Pronotum pubescence varies in D. clavareaui" "The longitudinal furrow of interocular area much deeper, extending uninterrupted to between the supra-antennal tubercles";"These characters are distinctly visible at the holotype specimen of D. clavareaui" "Anterior tibiae scarcely produced at apex";"Variable; the protruded angle of the anterior tibia is mostly distinct, but in some specimens difficult to recognize" "Hind femora (♀) very weekly toothed beneath";"Variable in Donacia sp., especially female specimens have weak teeth in comparison with male specimens" "Last abdominal sternite (♀) more strongly angulate at apex (Fig. 17)";"Same typical shape as D. clavareaui (Fig. 14)" "Length ♀: 8 mm";"Length of D. clavareaui ♀: 8.0-9.0 mm"