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Body length (from apex of vertex to tip of forewings): male 9.2–9.3 mm (n=3).
Color pattern of anterior dorsum and face as in Figs 23–27. General appearance as in Lacusa digitata sp. n., but the body much larger. Male genitalia. Pygofer short, upper 1/3 very narrow in lateral view, dorsal margin strongly concave, posterior margin angle producted near the middle; (Fig. 28). Anal tube in dorsal view with ratio length to maximum width 4.1 (Fig. 29). Genital styles long, apex approximately round in lateral view, dorsolateral with a small hook process near posterior margin (Fig. 28). Aedeagus with 2 dorsally directed, spinose processes, dorsally directed at medioventral margin, and exceed the end of aedeagal shaft; mediolateral of aedeagus with 2 long spinose processes; base of aedeagus on dorsal side with 1 spinose process (Figs 30, 31).
Holotype: ♂, China: Yunnan Province, Xishuangbanna, Mengla County, Mohan, 25 July 2013, coll. Jichun Xing (GUGC); paratypes: 2♂♂, Yunnan Province, Xishuangbanna, Mengla County, Mohan, 25 July 2013, coll. Yuan Liu and Yangyang Liu (GUGC).
This species is similar to Lacusa digitata sp. n. but can be distinguished by the mediolateral of aedeagus with two long spinose processes, genital style dorsolaterally with a small hook process near posterior margin, the anal tube relatively long.
The species name is derived from the Latin word “producta”, indicating that the mediolateral of aedeagus with two long spinose processes.
- Xing, J; Chen, X; 2014: Taxonomic study of the planthopper genus Lacusa Stål, 1862 (Hemiptera, Fulgoromorpha, Lophopidae) ZooKeys, 405: 139-148. doi