Cacodaemon vietnamensis, Yoshitomi & Pham, 2022

Yoshitomi, Hiroyuki & Pham, Thai Hong, 2022, The genus Cacodaemon (Coleoptera, Endomychidae) of Vietnam, ZooKeys 1081, pp. 127-136 : 127

publication ID	https://dx.doi.org/10.3897/zookeys.1081.75927
publication LSID	lsid:zoobank.org:pub:AD2D54F5-56D1-4DB2-B7F8-F3B3E0528394
persistent identifier	https://treatment.plazi.org/id/70704EC2-3AE7-4406-9359-47E2A6898E29
taxon LSID	lsid:zoobank.org:act:70704EC2-3AE7-4406-9359-47E2A6898E29
treatment provided by	ZooKeys by Pensoft
scientific name	Cacodaemon vietnamensis
status	sp. nov.

Treatment

Cacodaemon vietnamensis sp. nov.

Figs 1E View Figure 1 , 2E View Figure 2 , 3E View Figure 3 , 5C View Figure 5 , 5D View Figure 5

Material examined.

Holotype, female (EUMJ), "Bao Lac 27 km S. Vietnam 29-IV-2007 Y. YOKOI leg.", [" Bao Lac " is probably misspelling of " Bao Loc " Lam Dong Province, S. Vietnam].

Diagnosis.

This species is similar to C. laotinus laotinus in having conoidal DA and dull orange elytral appendages but differs from it by the following characteristics: TL smaller, PA consisting of two pairs of small tubercles.

Description.

Female. Body (Fig. 1E View Figure 1 ) oval, convex dorsally, weakly shiny. Coloration of body black; BA, DA, PA, antennomere 1 and anterolateral corners of pronotum dull orange.

Head finely punctate, closely covered with short setae. Antennae long and slender; antennomere 3 longest, a little shorter than 4 and combined; club (antennomeres 9-11) distinctly wide. Pronotum closely punctate, microreticulate, widest at apical 1/3, basal and lateral grooves deep and distinct; front corners projecting and pointed; lateral margins straight, slightly tapered posteriorly from apical 1/3; posterior corners right-angled; PLM/PLS 0.79; PWM/PWA 1.24; PWM/PLM 1.53; PWM/PLS 1.21. Fore tibia (Fig. 2E View Figure 2 ) straight and long, relatively slender. Elytra (Fig. 3E View Figure 3 ) coarsely and closely covered with shallow punctures, microreticulate; BA tubercle; HA long spine, stout in basal parts, projecting laterally; DA projecting dorsally, conoidal, with a small spine, stout in basal part; PA consisting of two pairs of small tubercles; apex of elytra with short spines; EL/EWH 0.85; EL/PLM 3.18; EWH/PWM 2.43; EWH/EWM 1.62; TL/EWH 1.12.

Sternite VIII (Fig. 5C View Figure 5 ) with tuft of short setae in postero-lateral margins of coxites; posterior margin of fused coxites gently arcuate; styli bearing short setae.

Measurement. Female (N = 1). TL 7.10 mm; PWM 2.60 mm; PWA 2.10 mm; PLM 1.70 mm; PLS 2.15 mm; EL 5.40 mm; EWH 6.33 mm; EWM 3.90 mm.

Distribution.

Vietnam.

Etymology.

Named after the type locality.