The assassin bug subfamilies Centrocnemidinae and Holoptilinae in Taiwan (Hemiptera: Heteroptera: Reduviidae) Author Rédei, Dávid Hungarian Natural History Museum, Department of Zoology, H- 1088 Budapest, Baross u. 13, Hungary; e-mail: redei @ nhmus. hu Author Tsai, Jing-Fu National Chung Hsing University, Department of Entomology, Kuo Kuang Road 250, Taichung 40227, Taiwan; e-mail: jingfu. tsai @ gmail. com text Acta Entomologica Musei Nationalis Pragae 2011 2011-12-09 51 2 411 442 journal article 10.5281/zenodo.5328439 0374-1036 5328439 Key to the species of Locoptiris Villiers, 1943 1 Fore wings with simple longitudinal veins; membrane of fore wing rather uniformly whitish or light gray. Afrotropical Region ( Locoptiris burgeoni species group). .......... 2 – Longitudinal veins of fore wings ramifying apically; membrane with a large dark spot centrally. Oriental Region ( Locoptiris pendleburyi species group). .............................. 3 2 Hind leg testaceous, femoro-tibial articulation widely black; body length about 3.5 mm . Democratic Republic of Congo , Ivory Coast . ........................ L. burgeoni Villiers, 1943 – Hind leg testaceous, femur with two brown annuli, one apical and one around middle, tibia rather uniformly testaceous; body length about 2.6 mm . Ivory Coast . ..................... ............................................................................................... L. couturieri Villiers, 1986 3 Infolding of ventral rim with a flattened, dorsally boadly convex process; basal sclerite of endosoma large, about as long as ventrobasal portion of struts; lateral sclerite of endosoma nearly twice as long as ventrobasal portion of struts. Malay Peninsula, Borneo. ............. ........................................................................................... L. pendleburyi ( Miller, 1940 ) – Infolding of ventral rim with a flattened, dorsally broadly trilobed process ( Fig. 48 ); phallus as in Figs. 52–53 , basal sclerite of endosoma ( Figs. 52–53 : bsc) small, much shorter than ventrobasal portion of struts, restricted to extreme base of phallotheca; lateral sclerite of endosoma ( Fig. 52 : lsc) slightly longer than ventrobasal portion of struts ( Fig. 52 : strvb). Taiwan . ....................................................................................... L. taiwanensis sp. nov.