Holoptilinae, Amyot & Serville, 1843

Rédei, Dávid & Tsai, Jing-Fu, 2011, The assassin bug subfamilies Centrocnemidinae and Holoptilinae in Taiwan (Hemiptera: Heteroptera: Reduviidae), Acta Entomologica Musei Nationalis Pragae 51 (2), pp. 411-442 : 436-437

Key to the species of Holoptilinae from Taiwan

1 Abdominal trichome absent ( Figs. 45 ) (tribe Dasycnemini ). Body small (about 3 mm); antenna 3-segmented; head elevated behind ocelli, with a radiating cluster of long serrate setae ( Fig. 42 ); corium with two distinct cells ( Fig. 65 ). Genus Locoptiris Villiers, 1943 . .............................................................................. Locoptiris taiwanensis sp. nov.

– Abdominal trichome present ( Figs. 55–56 ) (tribe Holoptilini ). Body much larger (about 7 mm); antenna 4-segmented; head not elevated behind ocelli, without such cluster of setae; corium with three distinct cells ( Fig. 66–67 ). Genus Ptilocerus Gray, 1831 . ...... 2

2 Corium occupying about basal one-fourth of total length of fore wing; anterior margin of membrane almost straight; membrane with several small rounded light spots ( Fig. 66 ) ............................................................................................ Ptilocerus kanoi Esaki, 1931

– Corium occupying more than basal one-third of total length of fore wing; anterior margin of membrane evenly arched; membrane without small rounded light spots ( Fig. 67 ). ..... ......................................................................................... Ptilocerus immitis Uhler, 1896

Figures

Figs. 42-45. Locoptiris taiwanensis sp. nov, male. 42 – head, pronotum, and scutellum, dorsal view; 43 – head and pronotum, lateral view; 44 – abdomen, dorsal view; 45 – same, ventral view. Scales in mm.

Figs. 65–67. Left fore wings of Holoptilinae spp. 65 – Locoptiris taiwanensis sp. nov.; 66 – Ptilocerus kanoi Esaki, 1931; 67 – P. immitis Uhler, 1896. Scales in mm.

Figs. 54–58. Ptilocerus kanoi Esaki,1931, male. 54 – abdomen, dorsal view; 55 – same, ventral view; 56 – same, lateral view; 57 – genital capsule with segment VIII, lateral view; 58 – genital capsule, dorsal view. Legend: s2 = sternite II. Scales in mm.