Taxonomy of Micronectidae (Heteroptera: Nepomorpha) from Vietnam, with descriptions of 11 new species Author Ha, Tuyet Ngan 568A022B-D36D-4147-8B0D-FB35B2A4D197 Faculty of Biology, VNU University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam. hatuyetngan95@gmail.com Author Tran, Anh Duc 3CB36F17-D917-4600-B888-C33B1C04259F Faculty of Biology, VNU University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai, Thanh Xuan, Hanoi, Vietnam. tran.anhduc@hus.edu.vn text European Journal of Taxonomy 2021 2021-06-24 756 1 82 http://dx.doi.org/10.5852/ejt.2021.756.1407 journal article 5963 10.5852/ejt.2021.756.1407 73c0dde0-1a03-4fe2-8d13-05cd614ff3b1 2118-9773 5033010 4A60FB62-20D7-4DC9-A4EA-BCE633730111 Micronecta ( Sigmonecta ) quadristrigata Breddin, 1905 Figs 21A , 22A–C ? Sigara lineata Fieber 1844: 15 , pl. 1 fig. 25 (junior secondary homonym of Notonecta lineata Forster, 1771; primary junior homonym of Sigara lineata Fabricius, 1787 ; junior secondary homonym of Corixa lineata Rambur, 1840 ) (suspected synonymy Wróblewski 1968: 776 ).? Sigara m-notata Kirkaldy, 1897a: 240 (replacement name for Sigara lineata Fieber ) (nomen oblitum). Micronecta quadristrigata Breddin, 1905a: 57 ( type locality: Buitenzorg (Bogor), Indonesia ). Micronecta minthe Distant, 1910: 347 ( type locality: Kolkata, India ). Micronecta quadristrigata – Breddin 1905b: 155–157 , fig. 19. — Lundblad 1933b: 87–91 , figs 26– 27, pl. XIX fig. 1 (redescription). — Wróblewski 1962: 176 (assigned to subgenus Sigmonecta ); 1968: 771, 776 (synonymy list); 1972a: 29–31 (description, distribution). — Jansson 1995: 34 (catalogue, nomenclatural notes). — Tinerella 2008: 28 , 39–45, figs 16e–f, 23–25 (nomen protectum; redescription, distribution); 2013: 33, 102–108, figs 57–60 (redescription). — Chen et al. 2015: 34 , 52–58, figs 9, 21, 23, 29, 42, 50, 57, 65, 73, 88–89, 97 (resdescription, record for Borneo). — Zettel et al. 2017: 41 (record Cambodia ). Micronecta minthe – Lundblad 1933b: 87–90 (synonymised with M. quadristrigata ). Micronecta quadristrigata f. minthe – Wróblewski 1972a: 32–33 ( lectotype designation). (For an extensive synonymy list and nomenclatural discussion, see Tinerella 2008 .) Diagnosis Body length 2.2–2.9. Pronotum longer than median head length. Dorsum generally yellowish brown. Hemelytron with four interrupted, longitudinal, brown stripes; embolium with four black spots ( Fig. 21A ). Males: fore femur with a pair of spines on proximal third ventrally, four spines on distal third; fore tibia with two spines on distal third ventrally; palar claw widened distally, apex rounded. Median lobe of sternite VII and free lobe ( Fig. 22A ) as in diagnosis of subgenus. Left paramere: shaft relatively thick, with sickle-shaped apex, mesial side before apical part covered with small scales ( Fig. 22C ). Right paramere: shaft long and slender, gently curved at distal third and tapering from there towards a narrowly rounded apex ( Fig. 22B ). Material examined VIETNAM – Quang Nam Prov. • 1 ♂ , 1 ♀ ; Duy Xuyen District , My Son temple complex; 15°45.439′ N , 108°07.577′ E ; Aug. 2016 ; T.D. Chu leg.; MS1614 ; ZVNU • 4 ♂♂ , 4 ♀♀ ; Duy Xuyen District , My Son temple complex; 15°46.308′ N , 108°06.621′ E ; Aug. 2016 ; T.D. Chu leg.; MS1629 ; ZVNU • 1 ♂ ; Duy Xuyen District , My Son temple complex; 15°44.865′ N , 108°07.81′ E ; Apr. 2017 ; T.D. Chu leg.; MS1701 ; ZVNU • 1 ♀ ; Duy Xuyen District , My Son temple complex; 15°45.312′ N , 108°07.377′ E ; Apr. 2017 ; T.D. Chu leg.; MS1707 ; ZVNU • 2 ♀♀ ; Duy Xuyen District , My Son temple complex; 15°45.341′ N , 108°07.393′ E ; Apr. 2017 ; T.D. Chu leg.; MS1708 ; ZVNU • 3 ♂♂ , 6 ♀♀ ; Duy Xuyen District , My Son temple complex; 15°46.355′ N , 108°07.079′ E ; Apr. 2017 ; T.D. Chu leg.; MS1725 ; ZVNU . – Dong Nai Prov. • 5 ♂♂ , 3 ♀♀ ; Vinh Cuu , Ma Da , Bo Hao Lake , west side; 10 Apr. 2009 ; A.D. Tran leg.; TAD0905 ; ZVNU • 1 ♀ ; Cat Tien N.P. , Bau Sau ( Crocodile Lake ); 6 Nov. 2009 ; A.D. Tran leg.; TAD0929 ; ZVNU • 1 ♀ ; Vinh Cuu , Ma Da , Bo Hao Lake , east side, near forest ranger station ; 10 Apr. 2009 ; A.D. Tran leg.; TAD0906 ; ZVNU . Distribution Vietnam : Quang Ninh , Hanoi , Ninh Binh , Nghe An , Ha Tinh , Quang Tri ( Wróblewski 1962 , 1967 ); first records for Quang Nam , Dong Nai . Other countries: widespread from the Middle East, through southern Asia, southeastern Asia, to eastern Asia and to Australia ( Wróblewski 1972b ; Nieser & Chen 1999 ; Tinerella 2008 , 2013 ; Zettel et al. 2017 ; Polhemus 2017 ). Remarks See Remarks under M. altera .