Sigara scutellaris Stål, 1858: 319 Taxonomy of Micronectidae (Heteroptera: Nepomorpha) from Vietnam, with descriptions of 11 new species Ha, Tuyet Ngan Tran, Anh Duc European Journal of Taxonomy 2021 2021-06-24 756 1 82 (Stal, 1858) Stal 1858 [495,1092,1831,1859] Insecta Corixidae Micronecta GBIF Animalia Hemiptera 11 12 Arthropoda species scutellaris Basileonecta   Figs 1A, 2A–D      Sigara scutellaris Stål, 1858: 319( typelocality: Namibia). (For extensive synonymy list, see Jansson 1995.)    Diagnosis Body length 3.6–4.4; only macropterous form known. Pronotum distinctly longer than median head length. Hemelytron ( Fig. 1A): corium with three longitudinal brown stripes, sometimes in broken pattern or indistinct; embolium with a set of four short brown stripes, sometimes confluent into a long unbroken stripe.  Males: fore femur with three spines on proximal third ventrally, one spine on middle third and three spines on distal margin; fore tibia with two spines on distal third; palar claw slender, slightly sinuate ( Fig. 2A). Free lobe sub-rectangular, posterior margin concave, lateral angle produced, with ca 30 long setae ( Fig. 2B). Left paramere: shaft stout, tapering distally, apical part slightly bent and twisted ( Fig. 2D). Right paramere: shaft bent and slightly enlarged at distal third, then tapering towards narrowly rounded apex; basal lobe sub-rectangular ( Fig. 2C).    Material examined   VIETNAM–  Phu Tho Prov.• 4 ♂♂, 2 ♀♀; Xuan Son N.P., Coi stream, site 2, near concrete bridge; 21°09.130′ N, 104°56.761′ E;  27 Aug. 2015; T.S. Nguyenleg.; TS8518; ZVNU. –   Hanoi• 7 ♂♂, 23 ♀♀; Thanh Xuan District, Me Tri area, Anh Duong Lake(used for recreational fishing);  20 Apr. 2010; T.M. Phamleg.; HN06; ZVNU•  1 ♀; Nhue River, in Lien Mac area;  19 Jun. 2019; T.N. Haleg.; NHHN19.01; ZVNU. –   Dong Nai Prov.• 6 ♂♂, 9 ♀♀; Bien Hoa City, Bien Hung Lake;  9 May 2003; A.D. Tranleg.; TAD0314; ZRC.    Distribution  Vietnam: Hanoiand Ha Tinh( Wróblewski 1962, 1967); Phu Tho, Dong Nai(first records). Other countries: from Africa through Arabia, Palestine, southern Asia to Southeast Asia and southern China( Wróblewski 1968; Nieser 2002b; Zettel et al.2017).    Remarks This is the largest species of  Micronectaoccurring in Vietnam. It has some similarities with  M. sedula Horváth, 1905and  M. siva(Kirkaldy, 1897)in the structures of the male genitalia, but can easily be recognised by its larger body (also see Remarks under  M. siva). 3311572701 2015-08-27 ZVNU Xuan Son N. P. & T. S. Nguyen Vietnam 21.152166 Phu Tho Prov. 1 104.946014 12 13 TS8518 6 2 4 Phu Tho Prov. 3311572694 2010-04-20 ZVNU T. M. Pham Vietnam Thanh Xuan District Anh Duong Lake Me Tri area 12 13 HN06 30 23 7 Hanoi 3311572528 2019-06-19 ZVNU T. N. Ha Vietnam Lien Mac area Nhue River 12 13 NHHN19.01 1 1 Ha Noi 3311572703 2003-05-09 ZRC A. D. Tran Vietnam Bien Hung Lake Bien Hoa City 12 13 TAD0314 15 9 6 Dong Nai Prov.