Bamboosiella antennatus , Dang, Li-Hong & Qiao, Ge-Xia, 2016

Dang, Li-Hong & Qiao, Ge-Xia, 2016, Species of the Poaceae-associated genus Bamboosiella (Thysanoptera, Phlaeothripidae) from China, with three new species, Zootaxa 4184 (3), pp. 541-552: 543

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Bamboosiella antennatus

sp. n.

Bamboosiella antennatus  sp. n.

( Figs 11–12View FIGURES 7 – 12, 19, 26View FIGURES 13 – 28, 39, 46View FIGURES 29 – 46, 58View FIGURES 55 – 66)

Female macroptera. Small body, bicoloured ( Fig. 58View FIGURES 55 – 66); head and thorax brown; abdominal segments I –VIII yellow with sides of III –IV faintly shaded, IX yellowish brown and tube brown; antennal segments I –III and V yellow, IV and VI brown with yellow bases, VII –VIII brown; all coxae brown, all femora yellow with mid-femora brown at basal half, all tibiae yellow with median area shaded; wings slightly shaded.

Head almost as long as wide, dorsal surface smooth with weak sculpture posteriorly; postocular setae shorter than eye, expanded apically ( Fig. 11View FIGURES 7 – 12); cheeks weakly rounded; mouth-cone short and pointed, maxillary stylets wide apart, restricted to mouth-cone; antennae about 2 times as long as head, segment VIII not pedicellate, broadly joined to VII, III and IV with 1+1 and 1+2 1 sense cones respectively ( Fig. 19View FIGURES 13 – 28). Pronotum smooth, 4 pairs of major setae well developed, expanded apically, am reduced to minute setae ( Fig. 19View FIGURES 13 – 28); notopleural sutures complete; basantral plates absent; mesopresternum complete, narrowed at middle; metanotum with reticulate sculpture, median setae well-developed, pointed apically; metathoracic sternopleural sutures absent; forelegs normal, fore tarsal tooth absent; fore wing slightly constricted at middle, with 3 duplicated cilia, subbasal wing setae well developed, expanded apically, S1 almost as long as S2, S3 the longest ( Fig. 46View FIGURES 29 – 46). Pelta hat-shaped ( Fig. 26View FIGURES 13 – 28); abdominal tergites II –VII each with two pairs of wing retaining setae; tergite IX setae S1 as long as S2, shorter than tube with apices expanded, S3 a little longer than tube, pointed apically ( Fig. 12View FIGURES 7 – 12); tube slightly shorter than head, anal setae almost as long as tube ( Fig. 12View FIGURES 7 – 12).

Measurements (holotype female). Body length 1600. Head length 150, from anterior margin of eyes 150, width across eyes 180; eye length 80; antenna length 300, segments I –VIII length (width): 30(35), 40(30), 45(25), 50(30), 45(25) 40(25), 35(20), 30(20). Pronotum length 100, width across median part 200; length of major setae: aa 20, am 5, ml 20, pm 5, pa 30, epim 40; fore femur width 80; fore wing length 590, subbasal setae S1–S3 length: 25, 25, 40. Pelta length 60, width at base 60, width at apex 50; tergite IX length 60, S1–S3 length 70, 55, 80; tube length 100, width at base 60, at apex 30; anal setae length 110.

Male. Unknown.

Material studied. Holotype female, China, Yunnan, Mengla County, 20.xi.1988, dead leaves of bamboo, Yun-fa Han. 

A single paratype female with same data as holotype.

Etymology. This species is named in one Latin word, “antenna”, based on the unusual antenna.

Comments. This new species is distinguished from other Bamboosiella  species by the special antennae with segments VII and VIII fused but separated by a complete suture ( Fig. 19View FIGURES 13 – 28). And antennal segment V yellow with IV and VI brown ( Fig. 58View FIGURES 55 – 66) in contrast to the graduated colour from III to VIII in other species.