Three new species of cockroach genus Hemithyrsocera Saussure, 1893 (Blattodea: Ectobiidae: Blattellinae) with redescriptions of two known species from China Author Wang, Zongqing Author Che, Yanli text Zootaxa 2017 4263 3 543 556 journal article 33071 10.11646/zootaxa.4263.3.6 892554a9-032d-4aee-a5d1-da1a46043dfa 1175-5326 573667 A08F6DE4-9A1D-4687-B84B-57E1E67C4720 5. Hemithyrsocera longiseta sp. nov. Figs. 18–19 , 68–79 Measurementes (mm). Male , overall length including tegmina: 17.0–19.5; pronotum length × width: 3.5 × 4.0– 4.53; tegmina length: 14.0–15.5. Body blackish brown. Head black ( Fig. 18 ). Occiput region pale yellow. Maxillary palpomeres blackish brown. Antennae black with base brown. Pronotum black with anterior and lateral margins yellow ( Fig. 18 ). Tegmina pale brown with subcostal zone brown or black. Legs black or blackish brown. Abdominal terga and sterna blackish brown. FIGURES 56–67 . Hemithyrsocera spinibarbis sp. nov. male: 56 head; 57 maxillary palp segments 3–5; 58 pronotum; 59 front femur; 60 tegmen; 61 hind wing; 62 seventh abdominal tergum; 63 supra-anal plate and paraprocts, ventral view; 64 subgenital plate, dorsal view; 65 hook-like phallomere (L3); 66 median phallomere (L2vm); 67 right phallomere (R2 and R3). Scale bars = 0.5 mm. FIGURES 68–79 . Hemithyrsocera longiseta sp. nov. male: 68 head; 69 maxillary palp segments 3–5; 70 pronotum; 71 front femur; 72 tegmen; 73 hind wing; 74 seventh abdominal tergum; 75 supra-anal plate and paraprocts, ventral view; 76 subgenital plate, dorsal view; 77 hook-like phallomere (L3); 78 median phallomere (L2vm); 79 right phallomere (R2 and R3). Scale bars = 0.5 mm. Vertex with interocular space slightly less than distance between antennal sockets ( Fig. 68 ). The third and fifth maxillary palpomeres about same length, both slightly longer than the fourth ( Fig. 69 ). Pronotum nearly elliptical, slightly convex at mid of hind margin ( Fig. 70 ). Hind wing with narrow radius area, R1 with 4 branches, posterior branches of R extended behind the base of anterior rami of radius and bifurcated at apical; M simple, Cu with two branches; apical triangle distinct. Front femur Type A3 ( Fig. 71 ). Seventh abdominal tergum specialized with relatively huge, densely group of setae medially, laterally near each posterior corner with clubbed, minutely setose lobe ( Fig. 74 ). Supra-anal plate in ventral view with hind margin strongly convex, right and left intercercal processes absent; right and left paraprocts dissimilar, right one subtriangular with clubbed and short sclerotisation, left one longer with slender sclerotisation, and both with spines at base and apices membranous and setose ( Fig. 75 ). Subgenital plate in dorsal view strongly asymmetrical ( Fig. 76 ) and the posterolateral corners produced into process, the left one broad with apex bearing a group of long setae, the right one shorter and smaller; a small clubbed stylus situated near the right corner; one flat extension near the stylus, and hind margin scattered with setae ( Fig. 76 ). Male genitalia. L3 ( Fig. 77 ) long and slender, hook portion small and without preapical incision; L2vm ( Fig. 78 ) elongated, distally enlarged, base broadly rounded, with densely brush-like setae; R2 ( Fig. 79 ) with 2 large and irregular sclerite, one nearly triangular, the other nearly C-shaped. R3 ( Fig. 79 ) with 2 obvious sclerites, one of which large and inversed Y-shaped, the other nearly L-shaped, whose base with 2 spines. Material examined. Holotype : ♂ , China , Guangdong , Fengkai County , Heishiding , 20–22 July 2007 , leg. Jia Fenglong. Paratypes : 1 ♂ , Guangdong , Fengkai County , Heishiding , 11 July 2000 , leg. Luo Qing. Remarks. This species resembles H. marginalis (Hanitsch, 1933) , but differs in the following characteristics: 1) seventh abdominal tergum specialized with relatively huge, densely group of setae medially, laterally with setose lobe, while in H. marginalis , densely group of setae medially and setose lobe absent; 2) right and left intercercal processes absent, present in H. marginalis ; 3) the left side of subgenital plate with one process bearing a group of long setae, while in H. marginalis , two processes bearing spines present in the left side of subgenital plate. Etymology. The Latin term “longisetus” refers to the robust process of subgenital plate bearing a group of long setae. Distribution . China ( Hainan Prov.).