Theopea, Baly, 1864

Lee, Chi-Feng & Bezdĕk, Jan, 2018, Revision of the genus Theopea Baly (Coleoptera: Chrysomelidae: Galerucinae) of East Asia: species lacking modified clypeus in males and the T. sauteri species group, Zootaxa 4508 (3), pp. 334-376 : 336-337

publication ID	https://doi.org/ 10.11646/zootaxa.4508.3.2
publication LSID	lsid:zoobank.org:pub:4C0CAE39-B5C3-419C-9A4D-493806280141
DOI	https://doi.org/10.5281/zenodo.5957157
persistent identifier	https://treatment.plazi.org/id/03928782-A84A-FFC0-1E89-7350FA72FCFE
treatment provided by	Plazi
scientific name	Theopea
status

Treatment

Key to the species of Theopea in East Asia, excluding species with modified clypeus in males

1 Longitudinal ridges on elytra distinct...................................................................... 2

- Longitudinal ridges on elytra indistinct or reduced........................................................... 9

2 Elytra with extremely coarse punctures, space between punctures narrower than diameters of punctures; head and prothorax yellow except vertex and pronotum; Taiwan ( Figs 2 View FIGURES 2 D–2H)......................................... collaris Kimoto

- Elytra with coarse punctures, space between punctures broader than diameters of punctures; head and prothorax metallic blue or green except mouth parts............................................................................. 3

3 General color metallic green; longitudinal ridges on elytra apically abbreviated from apical 1/3 ( Figs 4 View FIGURES 4 A–4C); antennomeres III–VII straight in males ( Fig. 5A View FIGURES 5 ); Taiwan..................................................... T. cheni sp. nov.

- General color metallic blue; longitudinal ridges on elytra not apically abbreviated; antennomeres III–VII more or less curved................................................................................4. ( T. sauteri species group)

4 Males with longitudinal ridges on the elytra more or less reduced................................................ 5

- Males with longitudinal ridges on the elytra prominent...................................................... w8

5 Penis asymmetric, bent to the right ( Figs 14 View FIGURES 14 C–14E, 20C–20E)................................................. 6

- Penis symmetrical ( Figs 15 View FIGURES 15 C–15E, 18C–18F)............................................................... 7

6 Penis relatively slender, 10.0x longer than wide; dorsal sclerite of endophallus extremely elongate, 3.6x longer than basal piece; Laos ( Figs 20 View FIGURES 20 C–20E)............................................................... T. sekerkai sp. nov.

- Penis relatively broad, 9.0x longer than wide; dorsal sclerite of endophallus less elongate, 1.6x longer than basal piece; China ( Figs 14 View FIGURES 14 C–14E)............................................................... T. coerulea Gressitt & Kimoto

7 Triangular sclerites of endophallus elongate; ventral sclerites absent; basal piece longer than apical piece, with longitudinal row of tiny teeth along lateral margin; India ( Figs 15 View FIGURES 15 C–15E)...................................... T. geiseri sp. nov.

- Triangular sclerites of endophallus small; ventral sclerites present; basal piece shorter than apical piece, without tiny teeth; China, Laos, Vietnam ( Figs 18 View FIGURES 18 C–18F)...................................................... .. laosensis sp. nov.

8 Males with antennomeres III–X moderately curved ( Fig. 19A View FIGURES 19 ); swollen tarsomeres I of front legs not apically narrowed ( Fig. 19I View FIGURES 19 ); Taiwan............................................................................. T. sauteri Chûjô

- Males with antennomeres III–X straight ( Fig. 16A View FIGURES 16 ); swollen tarsomeres I of front legs apically narrowed ( Fig. 16E View FIGURES 16 ); Taiwan................................................................................... T. hainanensis . sp. nov.

9 Elytra with extremely coarse punctures, space between punctures narrower than diameters of punctures ( Figs 2 View FIGURES 2 A–2C); Japan..................................................................................... T. aureoviridis Chûjô

- Elytra with moderately coarse punctures, space between punctures broader than diameters of punctures ( Figs 8 View FIGURES 8 , 11 View FIGURES 11 )....... 10

10 General color sexually dimorphic, elytra yellowish brown with metallic green sides, pronotum and vertex metallic green in males; elytra entirely metallic green, prothorax and head yellow in females; hypomeron yellowish brown ( Fig. 11 View FIGURES 11 ); antenna in males relatively shorter, antennomeres V–IX less than six times longer than wide ( Fig. 12A View FIGURES 12 ); Taiwan........................................................................................................ T. kanmiyai (Kimoto)

- General color not sexually dimorphic, elytra, pronotum, and vertex metallic green or blue in both sexes; hypomeron dark or blackish brown ( Fig. 8 View FIGURES 8 ); antenna in males more slender, antennomeres V–IX more than six times longer than wide ( Figs. 9A, 9B View FIGURES 9 ); Taiwan........................................................................ T. irregularis Takizawa