Micronecta (Unguinecta) melanochroa Nieser, Chen & Yang, 2005

Figs 21D, 23A–D

Micronecta melanochroa Nieser, Chen & Yang, 2005: 202–203, figs 42–50 (type locality: Yunnan, China; assigned to subgenus Unguinecta).

Diagnosis

Body length 2.3–2.4. Pronotum longer than median head length. Dorsum generally dark brown. Hemelytron greyish brown without darker brown patches; embolium yellowish or light brown, with a thin dark stripe near mesial margin (Fig. 21D).

Males: pala with a secondary claw; primary palar claw sub-triangular, strongly widened distally (Fig. 23A). Median lobe of sternite VII narrow and long, with a narrowly rounded apex. Free lobe with mesial angle rounded, posterior margin nearly straight, lateral angle well-produced, ca 20 long setae on lateral side of free lobe (Fig. 23B). Left paramere: shaft styliform, tapering towards narrowly rounded apex, apical part slightly twisted; basal lobe relatively short and broadly rounded (Fig. 23D). Right paramere: shaft with mesial side nearly straight proximally, lateral side evenly curved, slightly thickened in the middle, then tapering towards blunt apex (Fig. 23C).

Material examined

VIETNAM – Phu Tho Prov. • 1 ♂; Xuan Son N.P., Ban Coi, Coi stream, site 1, water from underground; 7 Jun. 2013; A.D. Tran et al. leg.; TAD1337; ZVNU • 1 ♂; Xuan Son N.P., Kim Thuong, Xoan stream; 28 Aug. 2013; A.D. Tran et al. leg.; TAD1343; ZVNU • 14 ♂♂, 19 ♀♀; Xuan Son N.P., Dong Son, Than stream, site 1; 29 Aug. 2013; A.D. Tran et al. leg.; TAD1346; ZVNU • 6 ♂♂, 3 ♀♀; Xoan stream, near its confluence with Ha Bang stream; 21°05.303′ N, 104°57.559′ E; 27 Aug. 2014; T.S. Nguyen leg.; TS1407; ZVNU • 1 ♂, 1 ♀; Lap stream, the first concrete bridge from Ngoc waterfall; 21°08.398′ N, 104°56.303′ E; 28 Aug. 2014; T.S. Nguyen leg.; TS1412; ZVNU • 2 ♂♂; Lap stream, the second concrete bridge from Ngoc waterfall; 21°08.322′ N, 104°56.256′ E; 28 Aug. 2014; T.S. Nguyen leg.; TS1413; ZVNU . – Nghe An Prov. • 12 ♂♂, 5 ♀♀; Con Cuong, Lien Huong Village, Khe Thoi stream; 21 Dec. 2012; Q.H. Ngo leg.; NQH1209; ZVNU .

Distribution

First record for Vietnam. Other country: China (Yunnan).

Remarks

See Remarks under M. polhemusi .