Lilioceris subpolita Gressitt & Kimoto 1961
Creators: name: Xu, Yuan
name: Xiong, Yun
name: Liang, Hongbin
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae
Lilioceris
Lilioceris subpolita

description: Lilioceris subpolita (Motschulsky, 1861) (Figs 2, 11–12, 19, 23, 29)   
 Crioceris subpolita Motschulsky, 1861: 22 (Siberia)   
 Lilioceris subpolita: Heinze, 1943: 103   
 Material examined. Total 14 specimens. Russia: one specimen (BMNH, sex undetermined), SYN-TYPE / Type, Motschulsky [in Baly's handwriting] / Crioceris subpolita Motsch, Siberia; Japan: 2♂, Minomo, Osaka / 1932.VIII.3, S. YIE; 1♂, Mont Takao / Pres. Hachioji / Japan, 1930.V.9, Edme-Gallois; 2♀, MINOMO OSAKA / 1932.VIII.3, S. YIE coll.; 2♀, Mont Takao / Pres. Hachioji, Japan / 2008.VI.1, Edme-Gallois; 1♀, Mt. Takao / 1932.VI.11; 2♀, Nippon Moyen / Env. De. Tokio / Et Alpes De Nikko / J. Harmand, 1901; 1♀, Jozankei / 1924.VIII / Y. Ouchi; 1♀, Japan / D.E.N.M / Crioceris subpolita Motsch; 1♀ (MBSU), Mozi Kyusyu, Japan, 1938.IV. 30, H. Okawa / Crioceris subpolita Motschulsky, Det M. Chujo / En-077528, MBSU.   
Diagnosis. Femora black; antennomeres 5–10 twice as long as wide; pronotal disc with sparse fine punctures; elytral punctures large at base, diminishing posteriorly, sparse or absent in apex; apex of mesoventral process slightly widened.  
Redescription. BL 7.0–12.0 mm, BW 3.3–4.2 mm. Head, antennae, scutellum prosternum, mesoepisternum, mesoepimeron, metaepisternum, lateral sides of mesoventral, lateral sides of sternite, and legs black, remainders brownish red.  
Head (Figs 2, 11–12). HL/HW 1.1–1.3; vertex with a deep groove in middle, punctate and setose laterally; occiput with a shallow furrow medially, densely punctate; frontal tubercle glabrous, slightly raised; frontoclypeal area triangular, disc with punctures and setae laterally; labrum transverse, with long setae; antennae filiform, nearly half as long as body length, antennomeres 1–4 nearly globular, 2 shortest, 5–10 each cylindrical, twice as long as wide; antennomeres 1–2 sparsely pubescent and punctate, 3–11 densely pubescent and punctate.  
Pronotum (Figs 2, 11, 19A). PW/HW 1.1–1.2, PL/PW 1.0–1.2; anterior angle protruding, posterior angle not protruding; side constricted in middle; disc with sparse fine punctures; anterior and posterior transverse impression absent, basal transverse groove weak. Scutellum triangular and densely pubescent.  
Elytra (Figs 2, 11). EL/EW 2.1–2.2; sutural angle rounded; humeri protruding, humeral groove distinct, basal impression distinct; intervals with sparse fine punctures; strial punctures sparse, coarse at base, diminishing posteriorly, much sparser or absent at apex, scutellary striole composed of 2–5 punctures; epipleura with upper margin strongly raised, with a row of fine punctures laterally.  
Mesoventrite pubescent; apical portion of mesoventral process slightly widened apically, convex, tuberculate, horizontally connected with metaventrite (Fig. 19B); metaventral disc with a long arcing setose area, extending from posterior margin to anterior margin (Fig. 19C); metepisternum densely pubescent.  
Abdominal sternite with setae and punctures, transverse impressions distinct on sternites 2–5, with dense punctures and pubescence.  
Legs slender; tibiae with dense punctures, pubescence and two spurs; femora with dense pubescence on dorsal surface, with sparse setae on ventral surface.  
Male genitalia (Figs 23A–D). Median foramen occupying 1/5 length of median lobe aedeagus (Fig. 23A); apex triangular (Fig. 23B); tegmen Y shaped, slender, basal piece of tegmen triangular, lateral lobes strongly scleritized, combined with second connecting membrane; internal sac membranous, with dorsal, median, and ventral sclerites moderately scleritized, distal part of dorsal sclerite squarely shaped (Figs 23C–D).  
Female reproductive organs (Figs 29A–C). Tergites 8 and 9, sternites 8 and 9 of female sclerotized, posterior areas of tergite 8 and sternite 8 with dense setae, without apodemes, spiculum gastrale long, Y shaped, strongly widened in distal part, apical margin rounded; vaginal palpi with dense setae, cylindrical and long; spermatheca complicatedly folded.  
Distribution (Fig. 30). Russia (Siberia), Japan (Heinze, 1943; Medvedev, 1958; Kimoto, 1961; Naito, 2012).  
 Host plant and habitat. Smilax china L. and S. riparia A. DC in Japan (Naito, 2012). Habitat unknown.   
 Remarks. This species can be distinguished from L. neptis by the following features: pronotal disc nearly smooth, without rows of punctures; elytral punctures sparse in base. In L. neptis, the pronotal disc has two rows (rarely one row) of large punctures; elytral punctures are dense in base.
description: Published as part of Xu, Yuan, Xiong, Yun & Liang, Hongbin, 2021, A review of the neptis species group of the genus Lilioceris (Coleoptera: Chrysomelidae: Criocerinae), pp. 300-316 in Zoological Systematics 46 (4) on pages 308-313, DOI: 10.11865/zs.2021404, http://zenodo.org/record/7176018