1	Small species, length of body less than 3.4 mm	Laccophilus tavetensis (p. 18)
–	Larger species, length of body between 4.1–5.7 mm	2
2	Body, dorsal aspect, lacks distinct colour pattern (Fig. 384); penis tip with slight enlargement (Figs 222–223)	Laccophilus ferrugo (p. 25)
–	Body, dorsal aspect, with distinct colour pattern (Fig. 381); penis tip not enlarged	3
3	Penis, lateral aspect, comparatively broad; apex of penis distinctly curved backwards (Fig. 216)	Laccophilus morondavensis (p. 22)
–	Penis, lateral aspect, narrower; apex of penis not curved backwards	4
4	Body broad, oval, large (length 4.9–5.2 mm) (Fig. 379)	Laccophilus grossus (p. 19)
–	Body more elongate, smaller (length 4.1–4.9 mm) (Fig. 380)	5
5	Body elongate, slender; pale areas on elytra open with no closed cells or one inner cell formed by dark, narrow, longitudinal marking (Fig. 382)	Laccophilus productus (p. 23)
–	Body slightly broader; pale areas on elytra with two closed cells, formed by dark, narrow, longitudinal markings (Fig. 380)	Laccophilus rocchii (p. 20)