KEY TO THE SPECIES OF PARAMISOLAMPIDIUS FROM TAIWAN

1(4) Ocular sulcus rather complex, deeply sinuate inwardly (Figs 8–9); eyes more oblique and narrowly spindle-shaped; pronotum with punctation subcontiguous; elytra with rows of separated punctures, not striate.

2(3) Whole dorsal surface opaque; head and pronotum less closely punctate; elytra with rows of widely spaced foveolate punctures (Fig. 3); length 11 mm; Tehuashe (600 m a. s. l.), Riyuetan, Nantou Hsien, C Taiwan P. formosanus MASUMOTO, 1981 a

3(2) Head and pronotum opaque, scutellum and elytra shining, alutaceous; head and pronotum closely and coarsely punctate; elytra with rows of narrowly separated punctures (Fig. 4); length 12.5 mm; Suleng (1,100 m a. s. l.), Taoyuan Hsien, N Taiwan P. kinugasai MASUMOTO, 1984

4(1) Ocular sulcus simple, not deeply sinuate (Figs 7, 10) or slightly bulged (in P. tenghsiensis, Fig. 11); eyes more transverse and rounded; pronotal punctation either very fine or coarse but punctures clearly separated; elytra striate-punctate, at least in first two rows.

5(6) Ocular sulcus narrow and incomplete, running from behind to middle of inner margin of eye (Fig. 7); body slender; pronotum remarkably sparsely and finely punctate; length 13 mm; Hohuanshan (3,100 m a. s. l.), Nantou Hsien, C Taiwan P. csorbai sp. n.

6(5) Ocular sulcus broader and complete (running around whole eye); body more robust; pronotum coarsely punctate.

7(8) Ocular sulcus simple (Fig. 10); punctures on pronotum mostly rounded; posterior half of prothoracic epipleuron with contiguous punctures forming wrinkles; elytra with strial punctures finer, not wider than width of striae; length 13–16 mm; various localities of C and N Taiwan

P. shirozui (M. T. CHÛJÔ, 1967)

8(7) Ocular sulcus slightly bulged inwardly (Fig. 11); punctures on pronotum longitudinally ovate; posterior half of prothoracic epipleuron with separate punctures; elytra with strial punctures coarse, distinctly wider than width of striae; length 12.5–15.5 mm; Tenghsi and Liukuei (about 1,400 m a. s. l.), Kaohsiung Hsien, S Taiwan P. tenghsiensis MASUMOTO, 1984