Chilocorus, Leach, 1815

Li, Wenjing, Huo, Lizhi, Wang, Di, Ahrens, Dirk & Wang, Xingmin, 2018, Contribution to the genus Chilocorus Leach, 1815 (Coleoptera: Coccinellidae: Chilocorini), with descriptions of two new species from China, European Journal of Taxonomy 469, pp. 1-34 : 4-5

publication ID	https://doi.org/10.5852/ejt.2018.469
publication LSID	lsid:zoobank.org:pub:09F625AD-D58F-4D26-98B7-832743127667
DOI	https://doi.org/10.5281/zenodo.3846295
persistent identifier	https://treatment.plazi.org/id/9535853E-240D-1D6D-FF43-FECFF837A423
treatment provided by	Valdenar (2020-05-13 16:41:57, last updated 2024-11-26 06:08:04)
scientific name	Chilocorus
status

Treatment

Key to species of the genus Chilocorus View in CoL View at ENA from China

1. Elytra without spots .......................................................................................................................... 2 – Elytra with spots ..............................................................................................................................11

2. Elytra entirely black or outer margin black ...................................................................................... 3 – Elytra entirely red ( Fig. 1a View Fig ) ......................................................................... C. politus Mulsant, 1850

3. Elytra entirely black .......................................................................................................................... 4 – Only outer margin of elytra black ..................................................................................................... 7

4. Body round ....................................................................................................................................... 5 – Body heart-shaped ( Fig. 2a View Fig ) ....................................................... C. yunlongensis Cao & Xiao, 1984

5. Dorsum without metallic lustre ........................................................................................................ 6 – Dorsum with bluish lustre ( Fig. 3a View Fig ) ........................................ C. nigricaeruleus Li & Wang sp. nov.

6. Pronotum mostly black except lateral parts yellow ( Fig. 4c View Fig ) ................. C. nigrita ( Fabricius, 1798) – Pronotum black except anterior angles yellow ( Fig. 5c View Fig ) .................................. C. melas Weise, 1898

7. Ground colour of elytra red .............................................................................................................. 8 – Ground colour of elytra yellow ....................................................................................................... 10

8. Body roundish.................................................................................................................................... 9 – Body heart-shaped ( Fig. 6a View Fig ............................................................................. C. rubidus Hope, 1831

9. Scutellum black ( Fig. 7 View Fig a–c); abdominal postcoxal line not reaching posterior margin of abdominal ventrite 1 ( Fig. 7d View Fig ) ................................................................................ C. chinensis Miyatake, 1970

– Scutellum red ( Fig. 8 View Fig a–c); abdominal postcoxal line reaching posterior margin of abdominal ventrite 1 ( Fig. 8d View Fig ) ........................................................................................ C. rufitarsis Motschulsky, 1853

10. Head black, pronotum and outer margin of elytra black with bluish lustre ( Fig. 9 View Fig ac) .................................................................................................................... C. hauseri Weise, 1895

– Head and pronotum yellow, outer margin of elytra black without bluish lustre ( Fig. 10 View Fig ac) ................................................................................................... C. circumdatus ( Gyllenhal, 1808)

11. Elytra with a pair of spots ............................................................................................................... 12 – Elytra with two or three pairs of spots ............................................................................................ 17

12. Black areas of dorsum with bluish lustre ........................................................................................ 13 – Black areas of dorsum without any metallic lustre ......................................................................... 14

13. Penis guide as long as parameres ( Fig. 11h View Fig ) ....................................... C. chalybeatus Gorham, 1892 – Penis guide distinctly shorter than parameres ( Fig. 12g View Fig ) ............................. C. shirozui Sasaji, 1968

14. Elytral spots small, apex of penis blunt .......................................................................................... 15 – Elytral spots relatively larger, penis constricted to a pointed tip ( Fig. 13a View Fig , e–f) ................................ ........................................................................................................... C. hupehanus Miyatake, 1970

15. Penis and tegmen moderately stout ................................................................................................ 16 – Penis and tegmen strongly stout, penis guide subtriangular, widest at base, gradually converging apically to blunted tip in ventral view ( Fig. 14e, h View Fig ) .................... C. strenotubus Li & Wang sp. nov.

16. Penis guide approximately ¾ length of parameres in lateral view, distinctly expanded at basal ¼ in ventral view ( Fig. 15 View Fig g–h) ......................................................................... C. kuwanae Silvestri, 1909

– Penis guide approximately 4/5 length of parameres in lateral view, approximately parallel from base to basal ½ ( Fig. 16 View Fig g–h) .................................................................................. C. esakii Kamiya, 1959

17. Ground colour of elytra black ......................................................................................................... 18 – Ground colour of elytra brown ....................................................................................................... 19

18. Body length: 3.40–3.70 mm, broadly oval, dorsum with bluish lustre ( Fig. 17a View Fig ) .................................................................................................... C. alishanus Sasaji, 1968 – Body length: 4.30–5.30 mm, heart-shaped, dorsum without any metallic lustre ( Fig. 18a View Fig ) .............. .................................................................................................................... C. bijugus Mulsant, 1853

19. Body length: 3.33–3.67 mm, elytra dark brown, with three pairs of roundish yellow spots, arranged in a row before centre, penis guide as long as parameres ( Fig. 19a, g View Fig ) .............................................. ....................................................................................................... C. bipustulatus ( Linnaeus, 1758)

– Body length: 3.80–4.67 mm, elytra dark brown, with a pair of transverse yellow strips, situated before centre, about ¾ elytra width, penis guide slightly longer than parameres ( Fig. 20a, g View Fig ) ........................................................................................................... C. geminus Zaslavskij, 1962

References

Cao C. Y. & Xiao N. N. 1984. New species of Coccinellidae from Yunnan, China. Entomotaxonomia 6: 109 - 132. [In Chinese.]

Fabricius J. C. 1798. Supplementum entomologiae systematicae. Proft and Storch, Copenhagen.

Gorham H. S. 1892. Coleoptera from Central China and the Korea. The Entomologists 25 (4) (Supplement): 81 - 85.

Gyllenhal L. 1808. [New taxa.] In: Schonherr C. J. (ed.) Synonyma Insectorum, oder: Versuch einer Synonymie aller bisher bekannten Insecten; nach Fabricii Systema Eleutheratorum & c. geordnet. Erster Band. Eleutherata oder Kafer. Zweiter Theil. Sprechus-Cryptocepalus. C. F Marquard, Stockholm.

Hope F. W. 1831. Synopsis of the new species of Nepaul insects in the collection of Major General Hardwicke. In: Gray J. E. (ed.) Zoologica 1 Miscellany: 21 - 32. Treutel, Wurtz and Co, London.

Kamiya H. 1959. A revision of the tribe Chilocorini of Japan and the Loochoos (Coleoptera: Coccinellidae). Kontyu 27 (2): 99 - 105.

Linnaeus C. 1758. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species cum chatacteribus, differentiis, synonymis, locis. Holmiae: Laurentii Salvii Vol. 1 Edn 10 (reformate).

Miyatake M. 1970. The East-Asian Coccinellid beetles preserved in the California Academy of Sciences. Tribe Chilocorini. Memoirs of the College of Agriculture, Ehime University 14 (3): 19 - 56.

Motschulsky V. 1853. Diagnoses de Coleopteres nouveaux, trouves par M. M. Tatarinoff et Gasckewitsch aux environs de Pekin. Etudes entomologiques 2: 44 - 51.

Mulsant M. E. 1850. Species des Coleopteres Trimeres Securipalpes. Annales des Sciences physiques et naturelles, d'Agriculture et d'Industrie, Societe nationale d'Agriculture, Lyon, deuxieme serie 2.

Mulsant M. E. 1853. Supplement a la Monographie des Coleopteres Trimeres Securipapes. Annales de la Societe linneenne de Lyon (Nouvelle Serie) (2) 2: 129 - 333.

Silvestri F. 1909. Nuovo Coccinellide introdotto in Italia. Rivista Coleotterologica Italiana 7: 126 - 129.

Zaslavskij V. A. 1962. Novyy palearkticheskiy vid Chilocorus (Coleoptera, Coccinellidae). Entomologicheskoe Obozrenie 41: 398 - 401.

Figures

Fig. 1. Chilocorus politus Mulsant, 1850. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 2. Chilocorus yunlongensis Cao & Xiao, 1984. a. Dorsal view. b. Penis. c. Tegmen, lateral view. Scale bars: 0.1 mm. (FIQB)

Fig. 3. Chilocorus nigricaeruleus Li & Wang sp. nov., holotype. a. Dorsal view. b. Lateral view. c. Frontal view. d. Prothorax. e. Antenna. f. Maxilla. g. Mandible. h. Labium. i. Front leg. j. Hind leg. k. Tarsal claw. l. Abdomen. m. Penis. n. Apex of penis. o. Tegmen, lateral view. p. Tegmen, ventral view. Scale bars: 0.1 mm. (SCAU (E) 11287)

Fig. 4. Chilocorus nigrita (Fabricius, 1798). a. Dorsal view. b. Lateral view. c. Frontal view. d.Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. ovipositor. Scale bars: 0.1 mm. (SCAU)

Fig. 5. Chilocorus melas Weise, 1898. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. ovipositor. Scale bars: 0.1 mm. (SCAU)

Fig. 6. Chilocorus rubidus Hope, 1831. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia: i. ovipositor. j. spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 7. Chilocorus chinensis Miyatake, 1970. a. Dorsal view.b. Lateral view. c. Frontal view. d.Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. Ovipositor. Scale bars: 0.1 mm. (SCAU)

Fig. 8. Chilocorus rufitarsis Motschulsky, 1853. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 9. Chilocorus hauseri Weise, 1895. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 10. Chilocorus circumdatus (Gyllenhal, 1808). a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 11. Chilocorus chalybeatus Gorham, 1892. a–b. Dorsal view. c. Lateral view. d. Frontal view. e. Abdomen. f. Penis. g. Apex of penis. h. Tegmen, lateral view. i. Tegmen, ventral view. j–k. Female genitalia. j. Coxit. k. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 12. Chilocorus shirozui Sasaji, 1968. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (NCHU)

Fig. 13. Chilocorus hupehanus Miyatake, 1970. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 14. Chilocorus strenotubus Li & Wang sp. nov., holotype a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. Scale bars: 0.1 mm. (SCAU (E) 11037)

Fig. 15. Chilocorus kuwanae Silvestri, 1909. a. Dorsal view. b. Lateral view. c. Frontal view. d.Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. ovipositor. Scale bars: 0.1 mm. (SCAU)

Fig. 16. Chilocorus esakii Kamiya, 1959. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 17. Chilocorus alishanus Sasaji, 1968. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e–f. Female genitalia. e. Ovipositor. f. Spermatheca. Scale bars: 0.1 mm. (NCHU)

Fig. 18. Chilocorus bijugus Mulsant, 1853. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i–j. Female genitalia. i. Ovipositor. j. Spermatheca. Scale bars: 0.1 mm. (SCAU)

Fig. 19. Chilocorus bipustulatus (Linnaeus, 1758). a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. ovipositor. Scale bars: 0.1 mm. (SCAU)

Fig. 20. Chilocorus geminus Zaslavskij, 1962. a. Dorsal view. b. Lateral view. c. Frontal view. d. Abdomen. e. Penis. f. Apex of penis. g. Tegmen, lateral view. h. Tegmen, ventral view. i. ovipositor. Scale bars: 0.1 mm. (SCAU)