Redescription Total length. 3.50 – 5.25 mm (mean 4.47 mm; n = 10). Head. Very finely punctuated, pale brown, reddish-brown or red. Labrum dark brown and mandible partly black. Antenna slender and extending to the middle of the elytra, dark brown to black (Fig. 14 Aa), usually only three basal antennomeres pale yellow or reddish (Figs 10 b – 13 b, 14 Ab). Second antennomere usually schorter than third; ratio length of second to third antennomere 0.67 – 1.00 (mean 0.77); ratio length of third to fourth antennomere 0.38 – 0.50 (mean 0.45; Fig. 14 B). Thorax. Pronotum finely punctuated, pale yellow to brown-reddish. Pronotal width 1.15 – 1.55 mm (mean 1.35 mm), ratio length to width: 0.60 – 0.63 (mean 0.61). Scutellum brown to black, meso- and metathorax black. Elytron brown to black, varied on number of yellow spots, from usually one beyond humerus up to three. Elytral length 2.90 – 3.60 mm (mean 3.32 mm), maximal width of both elytra together 2.00 – 2.80 mm (mean 2.40 mm), ratio of maximal width of both elytra together to length of elytron 0.72 – 0.75 (mean 0.73). Coxae pale yellow to brown, base of femur yellow, outer parts black, also apical part of tibiae and all tarsi brown to black (Figs 10 b – 13 b). Abdomen. Pale yellow to brown. Male genitalia. Median lobe parallel-sided, becomes narrow towards apex. Median spiculae consist of a group of long and slender structures, apical median spiculae slightly curved. Lateral spiculae c-shaped, Ventral spiculae not visible from dorsal view, short, slightly curved and slender (Fig. 14 Cb). Female genitalia. Spermatheca with spherical nodulus, cornu long and curved (Fig. 14 D). Dorsal part of bursa sclerite with saw-like spines, ventral part longer, slender, with fine spines (Fig. 14 E).
Sumber: Revision of Monolepta Chevrolat, 1836 from the Sundaland area (Coleoptera: Chrysomelidae: Galerucinae)