Dromanthomorphus Pic

Tshernyshev, Sergei E., 2016, The genus Dromanthomorphus Pic, 1921 (Coleoptera, Cleroidea: Malachiidae) in South-East Asia, Zootaxa 4139 (4), pp. 551-565 : 563

Key to the species of the genus Dromanthomorphus Pic of South-East Asia (males only)

1. Antennae flabellate, antennomeres slightly triangular with extremely stretched outer edges.......................... 2

- Antennae flabellate, serrate or filiform with cylindrical and elongate antennomeres.................................. 9

2. Anterior and intermediate legs yellow..................................................................... 3

- All legs almost completely black or dark-brown, only tarsi and knees could be lighter.............................. 5

3. Antennae yellow with black spots on stretched apices of antennomeres; weakly flabellate ( Fig. 13 ); surface with green-blue metallic tint; legs yellow with black posterior femora; anterior tibiae widened and excavate within in apical half ( Fig. 14 ), intermediate tibiae weakly stout and excavate near the apex ( Fig. 15 ); metathoracic appendage with elongate semi-transparent bilaciniate lamellae reaching intermediate coxae ( Fig. 16 ); pygidium as in Fig. 17 , ultimate ventrite as in Fig. 18 , tegmen as in Fig. 120, aedeagus as in Fig. 19 ; size— 3.1 mm ( Fig. 5 )..................................... D. subflabellatus sp. n.

- Antennae dark, except entirely or in part yellow basal segments; antennae strongly flabellate ( Fig. 3 ), beetles large, about 4.3– 4.5 mm ............................................................................................. 4

4. Head metallic blue with yellow distal part from level of antennae insertion, pronotum and scutellum metallic blue, elytra yellow with metallic blue lateral, basal and apical fringing; antennae yellow with black stretched outer sides of 7–11 segments, flabellate from 4th segment; abdomen yellowish with dark apex; anterior and intermediate legs yellow, posterior ones dark except yellow joints; anterior tibiae slightly compressed ( Fig. 62 ) and widened in a middle within ( Fig. 63 ); intermediate tibiae strongly stout, lacking excavations ( Fig. 64 ), pygidium as in Fig. 65 ; size 4.3 mm .......................... D. cyaneus

- Upperside of the body entirely with metallic blue tint ( Figs 1–2 ), underside black, antennae black-brown with entirely yellowish 1–3 segment and yellow base of the 4th segment, flabellate part wide, stout ( Fig. 3 ); pronotum weakly transverse, elytra gradually widened just behind the middle and narrowed at apices; legs yellow, anterior tibiae weakly widened and excavate before the tip ( Fig. 5 ), intermediate tibiae cylindrical, strongly stout, with flat excavation within ( Fig. 6 ); metatoracic appendage strong, elongate, gladiate, expanded over the intermediate coxae ( Fig. 4 ); pygidium ( Fig. 7 ), ultimate ventrite ( Fig. 8 ), tegmen ( Fig. 9 ) and aedeagus ( Fig. 10 ) as figured; size— 4.5 mm ( Fig. 1, 2 )............................... D. luzonensis

Figures

FIGURES 12 – 21. Dromanthomorphus subflabellatus Tshernyshev, 2016 sp. n., holotype, male, total view (12); right antenna (13); anterior tibia (14); intermediate femur and tibia (15); metatorax with appendage in middle (16); pygidium (17); ultimate abdominal ventrite (18); aedeagus, lateral (19); tegmen (20); distribution map (21). Scale bar 0.5 mm.

FIGURES 1 – 11. Dromanthomorphus luzonensis (Pic, 1907), male, total view (1); female, total view (2); right antenna (3); metatorax with appendage in middle (4); anterior tibia (5); intermediate femur and tibia (6); pygidium (7); ultimate abdominal ventrite (8); tegmen (9); aedeagus, lateral (10); distribution map (11). Scale bars 0.5 mm. Figs 1, 4 from Tshernyshev, 2015.

FIGURES 42 – 69. Dromanthomorphus sp., details: antenna (42, 52); anterior tibia (43, 48, 50, 53, 62, 63, 67); anterior femur and trochanters (66); intermediate tibia (44, 49, 51, 68, 69); pygidium (45, 56, 60, 65); ultimate abdominal ventrite (46, 55, 59); aedeagus (47, 57, 61). 42 – 47 — D. apoensis (Wittmer, 1999), comb. n. (Philippines), 48 – 49 — D. blawanensis Wittmer, 1996 (Indonesia: Java), 50 – 51 — D. vietnamensis Wittmer, 1996 (North Vietnam), 52 – 57 — D. chiangensis (Wittmer, 1999), comb. n. (Thailand), 58 – 61 — D. bruneiensis Wittmer, 1995 (Brunei), 62 – 65 — D. cyaneus Pic, 1921 (Indonesia: Sulawesi), 66 – 69 — D. javanus (Wittmer, 1989), comb. n. (Indonesia: Java). Figs 42 – 47, 52 – 57 from Wittmer, 1999; Figs 48 – 51 from Wittmer, 1996; Figs 58 – 61 from Wittmer, 1995; Figs 62 – 65 from Wittmer, 1990; Figs 66 – 69 from Wittmer, 1989.