Cephaloleia metallescens
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Ordo: Coleoptera
Familia: Chrysomelidae
Genus: Cephaloleia
Name
Cephaloleia metallescens Baly, 1885 – Wikispecies link – Pensoft Profile
- Cephaloleia metallescens Baly 1885[1]: 25. Weise 1911a[2]: 8 (catalog), 1911b[3]: 13 (catalog); Blackwelder 1946[4]: 719 (catalog); Papp 1953[5]: 19 (catalog); Uhmann 1957a[6]: 22 (catalog); Wilcox 1983[7]: 137 (catalog); Staines 1996[8]: 45 (Central America species), 1999[9]: 242 (mimicry), 2011[10]: 50 (faunal list); Staines and Staines 1999[11]: 524 (Baly species list); McKenna and Farrell 2005[12]: 119 (phylogeny), 2006[13]: 10949 (phylogeny).
- Cephalolia metallescens Baly. Donckier 1899[14]: 550 (catalog); Uhmann 1942[15]: 94 (noted).
- Cephaloleia metalescens Baly. Meskins et al. 2008[16]: 163 (misspelling, host plants).
Description
Broadly oblong-ovate; small; subdepressed; metallic blue; pronotum with lateral margin paler; venter and legs yellowish-red; antenna with antennomeres 1 and apical ½ of 11 reddish. Head: vertex punctate, medial carina present; frons not projecting; depressed between eyes. Antenna: ½ body length; slender; antennomeres 1–3 elongate; 1 and 3 subequal in length; 2 slightly shorter; 4–10 transverse, subequal in length; 11 2× length of 10, pointed at apex; 1–3 punctate with scattered setae; 4–11 setose. Pronotum: nearly twice as wide as long; lateral margin straight then rounding to anterior angle, canaliculate; anterior angle rounded, not produced; posterior angle acute; anterior margin emarginate behind head; disc transversely subconvex, depressed on each side; surface densely punctate; basal impression absent; pronotal length 0.6–0.7 mm; pronotal width 0.7–1.1 mm. Scutellum: pentagonal, impunctate. Elytron: lateral margin slightly curved, smooth, margined; apex rounded; sutural angle without tooth; humerus slightly produced, callus extends on base to scutellum; slightly constricted behind humerus; disc subconvex; moderately punctate-striate, interspaces sulcate; puncture rows obsolete at apex; elytral length 2.1–2.3 mm; elytral width 1.4–1.6 mm. Venter: pro- and mesosterna punctate; metasternum impunctate medially, punctate laterally; abdominal sterna punctate, each puncture with pale seta; suture between sterna 1 and 2 complete; last sternite with apical margin emarginate medially in male, rounded, entire in female. Leg: slender; punctate, each puncture with pale seta; tibia with fringe of setae on inner margin of apex. Total length: 3.1–3.3 mm.
Diagnosis
This is a very distinctive species with the flattened elongate body, the smooth rounded elytral apical margin, the smooth lateral margin of the pronotum, the lack of additional puncture rows on the elytra, the smooth lateral margins of the elytra, the lack of a declivity beginning at puncture row 7 on the elytra, and the unicolorous metallic blue dorsum.
Host plant
Bactris major Jacq., Chamaedorea wendlandiana Hemsl. (Arecaceae) (Meskins et al. 2008[16]).
Distribution
Costa Rica, Guatemala, Nicaragua, Panama.
Type material examined
Holotype: Type H. T. [white disk with red border]/ Guatemala, Vera Paz, San Juan, Champion/ B. C. A., Col. VI, 2. Cephaloleia metallescens, Baly/ Cephaloleia/ Cephalolia metallescens Baly, Guatemala [blue handwritten label] (BMNH).
Specimens examined
COSTA RICA: Alajuela- Brasilia, 3 April 1988 (MUCR). Cartago- Turrialba (DEI, USNM); Turrialba, Tayutic, Grano de Oro, 1100–1200 m (INBIO). Guanacaste- Estación Pitila, 9 km S Santa Cecilia, 600–700 m (INBIO); La Cruz, 9 km S Santa Cecilia, 600–700 m (INBIO). Limón- Est. Cuatro Equinas, 0 m, P.N. Tortuguero November 1991 (INBIO); Pococí, 30 km N Cariari, 100–200 m (INBIO); Pque Nal Corcovado, Est Sirena, 0–100 m (INBIO). NICARAGUA: Río San Juan- Refugio Bartola, 16 km ESE El Castillo, 26 April 1993 (USNM). PANAMA: Chiriquí- Reserva Fortuna, Continental Divide Trail, 25 May 1993 (CDFA). Colón- 5 mi NW Gamboa, 29 September 1969 (CMNC); Paraiso, 26 March 1911, 18 April 1911, 6 April 1911, 4 May 1911, 20 May 1911, 17 April 1911, 28 March 1911, 21 April 1911, 14 April 1911 (USNM). Colón- Parq. Nac. Soberania, Pipeline road, 23 May 1993 (EGRC). Panamá- Barro Colorado Is., 7 January 1929 (USNM); Cerro Campana, 800 m, 3 November 1969 (EGRC); Cerro Jefe, 700 m, 19 June, 76 (EGRC); Coco Solito Hosp., 11 December 1971 (EGRC); Llano Carti Rd. at km 9, 18 May 1993 (EGRC); Madden Forest, 14 May 1978 (USNM); Nusagandi area, I. K. U. S. A. Igar, 20 May 1993 (EGRC). Total: 69.
Taxon Treatment
- Staines, C; García-Robledo, C; 2014: The genus Cephaloleia Chevrolat, 1836 (Coleoptera, Chrysomelidae, Cassidinae) ZooKeys, 436: 1-355. doi
Images
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Other References
- ↑ Baly J (1885) Hispidae. In: Godman F Salvin O (Eds) Biologia CentraliAmericana, Zoology, Insecta, Coleoptera, Phytophaga. London, 6(2): 1124.
- ↑ Weise J (1911a) Coleopterorum Catalogus, Chrysomelidae: Hispinae. W. Junk. Pars 35: 1–94.
- ↑ Weise J (1911b) Coleoptera Phytophaga fam. Chrysomelidae, subfam. Hispinae. In: Wytsman P (Ed) Genera Insectorum, Brussels, fasc. 125: 1–123.
- ↑ Blackwelder R (1946) Checklist of the Coleopterous insects of Mexico, Central America, the West Indies, and South America. United States National Museum Bulletin 185: 551–763.
- ↑ Papp C (1953) The Hispinae of America. 3rd Contribution for promoting the scientifical results of the International Hylean Amazon Institute in Manaos, Brazil. Portugaliae Acta Biologica (B) 4: 1–147.
- ↑ Uhmann E (1957a) Coleopterorum Catalogus. Supplementa. Chrysomelidae: Hispinae, Hispinae Americanae. W. Junk, Gravenhage. Pars 35(1): 1–153.
- ↑ Wilcox J (1983) Checklist of the beetles of Canada, United States, Mexico, Central America and the West Indies. Vol. 1, pt. 7. The Leaf Beetles. Biological Research Institute of America, Latham, NY, 166 pp.
- ↑ Staines C (1996) The genus Cephaloleia (Coleoptera: Chrysomelidae) in Central America and the West Indies. Special Publication No. 3 of the Revista de Biología Tropical, 87 pp.
- ↑ Staines C (1999) Possible mimetic complexes in Central American Cephaloleia (Coleoptera: Chrysomelidae: Hispinae). In: Cox M (Ed) Advances in Chrysomelidae Biology 1. Backhuys Publishers, Leiden, 239–246.
- ↑ Staines C (2011) Hispines (Chrysomelidae, Cassidinae) of La Selva Biological Station, Costa Rica. ZooKeys 157: 45–65. doi: 10.3897/zookeys.157.1338
- ↑ Staines C, Staines S (1999) Joseph Sugar Baly: The man and his entomological works. Beiträge zur Entomologie 49: 489–530.
- ↑ McKenna D, Farrell B (2005) Molecular phylogenetics and evolution of host plant use in the Neotropical rolled leaf ‘hispine’ beetle genus Cephaloleia (Chevrolat) (Coleoptera: Cassidinae). Molecular Phylogenetics and Evolution 37: 117–131. doi: 10.1016/j.ympev.2005.06.011
- ↑ McKenna D, Farrell B (2006) Tropical forests are both evolutionary cradles and museums of leaf beetle diversity. Proceedings of the National Academy of Sciences 103(29): 10947–10951. doi: 10.1073/pnas.0602712103
- ↑ Donckier H (1899) Catalogue systématique des Hispides. Annales de la Société Entomologique de France 68: 540–615.
- ↑ Uhmann E (1942) Der Borstenkegel und das Pygidium bei Cephalolia-Arten. (Coleoptera: Chrysomelidae). 96. Beitrag zur Kenntnis der Hispinen. Arbeiten über Morphologische und Taxonomische Entomologie aus Berlin-Dahlem 9: 93–102.
- ↑ 16.0 16.1 Meskins C, Windsor D, Hance T (2008) A comparison of hispine beetles (Coleoptera: Chrysomelidae) associated with three orders of monocot host plants in lowland Panama. International Journal of Tropical Insect Science 27(¾): 159–171.
