Type;Features;"Reference images" "Sensilla trichodea";"S.t. I";"Hair-like, slender, slightly curved, length ≥ 20 μm."; "S.t. II";"Relatively short." "S.t. III";"Short and thin, length ≤ 10 μm." "Sensilla chaetica";S.c.;"Shaped like short spines, erect or curved along the axis." "sensilla basiconica";"S.b. I";"Upright or curved along the axis, the top is blunt, thick and short, length ≤ 10 μm." "S.b. II";"Relatively thick and long." "S.b. III";"Thick and long, length ≥ 20 μm." "Peg sensilla";"Pg.s.u. I";"Peg-like, length 2.0~5.0 μm."; "Pg.s.u. II";"Peg-like, length 5.0~7.0 μm." "Sensilla coeloconica";S.co.;"A cluster of finger-like structures arranged in a round concavity, 6–16 finger-like protrusions." "Scaly structures";Sc.s.;"A scaly protrusion or a scaly structure composed of many small protrusions (non-sensilla)."; "Cuticular processes";C.p.;"Triangular protrusions with thin and pointed ends (non-sensilla)." Microtrichia;Mt.;"Small rigid projections occurring singly or in groups of two or three arranged together (non-sensilla)."