1 Dorsal side strikingly bicolourous......................................................................... 2
1 ' Dorsal side unicolourous................................................................................ 3
2 Base strikingly lighter than rest of elytra........................................................ E. fulvus Watts
2 ' Fore body bright red, elytra dark........................................................... E. tomweiri n. sp.
3 Head and pronotum with coarse granular punctures; terminalia Figs. 68–73........................... E. perlatus n. sp.
3 ' Normal fine punctures on entire surface.................................................................... 4
4 Pala and distal part of penis of similar length, parameroids longer than trigonium (e.g., Figs. 63, 75). Plate of T 8 transverse, short stout pegs along caudal edge (Figs. 61, 65)............................................................. 5
4 ' Pala 2 or more times longer than the trigonium which is longer than the parameroids (e.g., Figs. 41, 49). No pegs along caudal edge of T 8........................................................................................... 6
5 Parameroids ending in a long curved spine; trigonium with long apical process (Fig. 63)............... E. castaneus n. sp.
5 ' Trigonium and parameroids without long pointed processes (Fig. 75)................................. E. parvus n. sp.
6 Trigonium spherical, with 3 horn-like processes (Fig. 60)......................................... E. tricornis n. sp.
6 ' Trigonium parallel-sided, no horns, only a delicate tongue directed ventrad from apex (e.g., Fig. 41).................... 7
7 Each paramere ventrally with a large triangular sclerite, the paramere apex is a slender plate with serrate ventral edge (Fig. 51)........................................................................................ E. aquilus Watts
7 ' No separate ventral subterminal sclerites on parameres....................................................... 8
8 Paramere ending in two hooks curved in opposite directions (Figs. 52, 55)........................... E. falcatus n. sp.
8 ' Apex of paramere a compact convoluted body (e.g., Figs. 48, 50)............................................... 8
9 Penis waisted, front of pala wide, a strong hook projects from paramere apex (Figs. 47, 48).......... E. barringtoni n. sp.
9 ' Pala lanceolate, front narrow, tegmen without projecting tooth at apex (Figs. 49, 50)................... E. thunguttii n. sp.