Key to Australasian species of Scymnomorphus

1 Mid and hind femora stout and broadened, about 2 times longer than their width (Fig. 5B), antenna with antennomere 3 shorter than pedicel, antennomere 8 very broad, antennomeres 8–10 forming a club (Fig. 2J). .... ................................................................. S. kausi sp. nov.

– Mid and hind femora slender, about 3 times longer than their width (Fig. 4D), antenna with antennomere 3 as long or longer than pedicel (Figs 4D,F), antennomere 8 narrow, antennomeres 9–10 forming a club (Figs 2B, 3A). ................................................................... 2

2 Antenna with terminal antennomere elongate, about 3 times longer than the penultimate one (Fig. 3A), body over 1.5 mm long. ........................ S. papuensis sp. nov.

– Antenna with terminal antennomere only slightly elongate, about 1.5–2.0 times longer than the penultimate one (Fig. 2B), body smaller than 1.5 mm long. ............ 3

3 Body yellowish or lightly brown. .................................. 4

– Body deep brown to black or with elytra differently colored than pronotum. ..................................................... 5

4 Elytra with epipleural carina well separated from elytral margin; male glandular openings in middle of ventrite 5; male genitalia: ŚLIPIŃSKI & TOMASZEWSKA (2005: Figs 45, 46, 48). ...................................................... ....................... S. fulvus Ślipiński & Tomaszewska, 2005

– Elytra with epipleural carina close to margin; males without glandular openings on ventrite 5; male genitalia: ŚLIPIŃSKI & TOMASZEWSKA (2005: Figs 57, 58). ..... ....................... S. luteus Ślipiński & Tomaszewska, 2005

5 Elytra brown with dark brown or black longitudinal macula on each elytron (Fig. 1A), sometimes black macula covering almost whole dorsal surface of elytron but with lateral margin always brown (Figs 1D, E); males with single large glandular opening on ventrite 5 (Fig. 2H). .................................. S. bimaculatus sp. nov.

– Elytra uniformly colored; males without glandular openings on ventrite 5. .................................................. 6

6 Elytra brown, pronotum dark brown. .......................... 7

– Elytra deep piceous to black; length 1.2 mm or less; male genitalia different from those illustrated by ŚLI- PIŃSKI & TOMASZEWSKA (2005: Figs 54–56). ............. 8

7 Abdominal postcoxal lines not reaching lateral margin of abdomen, male genitalia: CHAZEAU (1979: Figs. 2–5). ................................... S. prapawan Chazeau, 1979

– Abdominal postcoxal lines reaching lateral margin of abdomen, male genitalia: ŚLIPIŃSKI & TOMASZEWSKA (2005: Figs 54–56). ............................................................ ....................... S. hirtus Ślipiński & Tomaszewska, 2005

8 Body uniformly deep dark brown to black; epipleural carina very close to lateral margin of elytron; male genitalia: ŚLIPIŃSKI & TOMASZEWSKA (2005: Figs 50– 52). ............... S. storey Ślipiński & Tomaszewska, 2005

– Pronotum and head lighter than elytra; epipleural carina distinctly separated from elytral margin; male genitalia: ŚLIPIŃSKI & TOMASZEWSKA (2005: Figs 44, 47, 49). .................... S. ker Ślipiński & Tomaszewska, 2005