Bambusicaliscelis guttatus Chen & Gong

Gong, Nian, Yang, Lin & Chen, Xiang-Sheng, 2018, Two new species of the bamboo-feeding genus Bambusicaliscelis Chen & Zhang, 2011 from China (Hemiptera, Fulgoromorpha, Caliscelidae), ZooKeys 776, pp. 81-89: 85

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Bambusicaliscelis guttatus Chen & Gong

sp. n.

Bambusicaliscelis guttatus Chen & Gong  sp. n. Figs 13-24


Body length (from apex of vertex to tip of abdomen): male 4.2 mm (N = 1); forewing length: male 1.7 mm (N = 1).


Coloration. Body mainly yellowish brown to blackish brown. The longitudinal stripe from apex of vertex to tip of abdomen pale yellowish white (Figure 13). Frons (Figure 16) dark brown with the small pustules yellowish brown between lateral and submedian carinae. Clypeus brown. Eyes and antennae dark brown. Forewing (Figs 13-14, 18) brown with one large yellowish white marking near apical margin. Legs brown.

Head and thorax. Vertex with anterior margin subtruncated, width of vertex (Figure 15) including eyes as long as pronotum. Vertex (Figure 15) with length in middle line 0.8 times than width at base. Frons (Figure 16) 1.3 times longer in middle line than widest part, submedian carinae slightly keeled, areas between submedian carinae and lateral carinae slightly depress. Pronotum (Figure 15) shorter in middle line than vertex (1:1.6). Mesonotum (Figure 15) 0.7 times as long as vertex and pronotum together in middle line. Forewing (Figure 18) with length 1.3 times than broad at widest part, veins obscure.

Male genitalia. Anal segment in dorsal view (Figure 19) with length 1.3 times longer in middle line than widest part, two lateral margins concave; in lateral view (Figure 20) dorsal margin slightly convex, the widest at apical 1/2, thence constricted, ventral margin slightly concave in the middle. Pygofer in lateral view (Figure 20) with posterior margin with upper half roundly convex, lower half truncated; in posterior view (Figure 21) nearly oval, with length 1.7 times as long as widest part; in ventral view (Figure 23) with posterior margin with two stout and short medioventral processes, anterior margin slightly convex, lateral margins subparallel. Genital style in lateral view (Figure 22) with basal 1/2 basally narrowing, median portion widest, apical margin slightly concave, with length 3.1 times as long as widest part, a strong finger-like process apically arising from dorsal margin, directed basad; in ventral view (Figure 23) long and narrow, with apex inward bent, nearly hook-like. Aedeagus with phallobase (Figs 20, 24) slender, long and tubular. Phallus (Figs 20, 24) tubular, much slender and longer, tapering apically, apical 1/2 beyond apical margin of phallobase, then apical 1/4 distinctly bent.

Type material.

Holotype: ♂, China: Guangxi, Damingshan National Natural Reserve (23°54'N, 108°37'E), 10 August 2011, Zai-Hua Yang.

Host plant.



China (Guangxi).


The specific name is derived from the Latin words " guttatus  " which refer to its forewing with a large yellowish white marking.

Differential diagnosis.

B. guttatus  sp. n. is similar to B. fanjingensis  , but differs in: 1) forewing brown with one large yellowish white marking (blackish brown, without any marking in fanjingensis  ); 2) pygofer in posterior view, ventral margin with two medioventral processes (medioventral process single in fanjingensis  ); 3) genital style in lateral view with dorsal process located apically, large and apical margin roundly convex (dorsal process located near apex, relatively slender and apex sharp in fanjingensis  ).