The Coleopterists Bulletin, 64(2): 109-112. 2010.

Description of the Female of Ceraspis jaliscoensis Delgado and Navarrete-Heredia, and a Key to the Mexican and Central American Species of Ceraspis LePeletier and Serville (Coleoptera: : : )

Eder F. Mora-Aguilar Instituto de Biotecnologia y Ecologia Aplicada Universidad Veracruzana. Apartado Postal 250 91090 Xalapa, Veracruz, MEXICO [email protected]

AND

Leonardo Delgado Instituto de Ecologia A. C, Apartado Postal 63 91000 Xalapa, Veracruz, MEXICO [email protected]

Abstract

The female of Ceraspis jaliscoensis Delgado and Navarrete-Heredia is described and illustrated for the first time. A key to the Mexican and Central American species of Ceraspis LePeletier and Serville is presented.

Key Words: morphology, scarab , key to species, biology

Resumen

Se describe e ilustra por primera vez la hembra de Ceraspis jaliscoensis Delgado and Navarrete-Heredia. Se présenta una clave para identificar Ias espécies mexicanas y centroamericanas dei género.

Ceraspis LePeletier and Serville, 1828 is a Neo- known female of C. jaliscoensis and include a new tropical genus with 102 described species. Its dis- key to the Mexican and Central American species. tribution extends from Argentina to Mexico, and most species (92) are endemic to a single coun- Ceraspis jaliscoensis Delgado and try. Ninety-one species occur in South America, Navarrete-Heredia, 2004 mostly (67) in Brazil. Eight species are found in (Figs. 1-3) Central America and six in Mexico (Frey 1962; Delgado et al. 1987; Evans 2003; Delgado and Material Examined. "MEXICO: Jalisco, Mpio. Navarrete-Heredia 2004; Katovich 2008; Evans Talpa de Allende, Loc. Los Sauces; Julio 2006; and Smith 2009). 20°28'38"N, 104°45'23"; bosque de pino-encino, Among the six Mexican species, three are shared Alt. 1476 m, trampa de luz, H. Jimeno y E. Sevilla with Central America and three are endemic to Col" (1 male, I female). Both specimens depos- Mexico: Ceraspis velutina (Bates) from Guerrero, ited in the collection of E. Mora-Aguilar (Xalapa, Ceraspis oaxacaensis Delgado from Oaxaca, andVeracruz, Mexico). Ceraspis jaliscoensis Delgado and Navarrete- Description. Female (Fig. 1). Total length Heredia from Jalisco (Delgado et al. 1987; Delgado 12.5 mm; maximum width (at middle of elytra) 2001; Delgado and Navarrete-Heredia 2004). 6.1 mm. Similar to male except in the following Ceraspis jaliscoensis was described in 2004 based respects (mouthparts are here described for the first on four male specimens collected near Mascota, time): Body more robust; color dull reddish brown Jalisco. Recently, two specimens were collected on head, pronotum, elytra, and abdomen. Clypeus at Los Sauces, Talpa de Allende, Jalisco, near andthe frons with sparser punctures. Clypeus slightly type locality. Herein we describe the previously emarginate.un- Labrum wide, medially concave, and

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Figs. 1-2. Dorsal habitus of Ceraspis jaliscoensis. 1) Female; 2) Male. Scale = 1 mm.

coarsely punctate; labium with prementum diagnostic charactersquad- of this species, /. e. clypeus rate, ventral surface with a longitudinal, flat, bilobed broad or slightly emarginate, pronotum and groove, with apex sinuate; maxilla elytrawith with5 teeth, appressed scales arranged in a longi- one of them trifid, lacinia setose with tudinal anpattern, apical elytra microreticulate, and dull red- minute tooth; mandible with 2 blunt dish apical brown. teeth, Also, as in many species of this genus, scissorial area setose, molar area large. the sexual Pronotum dimorphism displayed by C. jaliscoensis less convex. Abdomen almost flat in is lateralseen mainly view, on the clypeus (bilobed or distinctly sides of abdominal sternites with scale-like setae emarginate in males or slightly emarginate in fe- and glabrous medially; first visible abdominal ster- males), pronotum (strongly swollen in males, less nite flat, abdominal sternites 2-4 somewhat longer convex in females), elytra (longer and less wide in at sides than at middle, sternite 5 with same length males), abdomen (concave, with sternites longer, from side to side, last abdominal sternite not pro- and pygidum longer and convex in males; almost duced at apex, entirely setiferous, with apical margin flat, with sternites shorter, and pygidium shorter smooth and without membranous border. Pygidium and less convex in females), and legs (males with nearly as wide as long, less convex, surface glabrous femora and tibiae longer, protibiae without inter- toward the disc. Femora and tibiae shorter; protibiae nal spur, tarsi shorter and thickened; females with with internal preapical spur not exceeding the base femora and tibiae shorter, protibiae with internal of first tarsomere. Tarsi longer and slender. Upper spur, tarsi longer and slender) (Figs. 1, 2). genital plates semirectangular, longer than wide, Distribution. Ceraspis jaliscoensis is known with moderately dense punctures, and long, golden only from the state of Jalisco in four nearly adja- setae (Fig. 3). cent localities situated in the municipalities of Remarks. The morphological structures shown Mascota and Talpa de Allende. This species in- by the female of C. jaliscoensis do not alter the habits cloud forest and oak-pine forest (Quercus

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Key to the Adults of Mexican and Central American Species of Ceraspis

1. Elytra dark brown with two yellowish red

spots on base and middle

Γ. Elytra variously colored, but without spots

2. Elytral surface evenly convex 4 5 / 2'. Elytra with costae raised, feebly convex, or

sometimes flat and smooth

3. Elytral setae arranged in parallel stripes

3 ' . Elytral setae irregularly distributed

4 . Pronotum shiny black; elytra testaceous

4'. Pronotum yellowish red; elytra brown with

coppery reflections 5. Pronotum and elytra without scales, with

sparse setae only

5'. Pronotum and elytra with scales XL- 6. Pronotum almost entirelyJty, covered with re- JéyZ cumbent scales (reclining on the surface), not Figs. 3-7. forming a longitudinal Characters pattern of Ceraspis spp. 3) Genital plates of C. jaliscoensis; 4) Dorsal view of clypeus of C. centralis; 6'. Pronotum 5)with Lateral appressed scalesview (closely of clypeus C. centralis; 6) Dorsal view of clypeus of C. oaxacaensis; 7) Lateral applied to the surface) forming longitudinal view of clypeus of C oaxacaensis. Scales: Fig. 3 = 0.5 mm, vittae Figs. 4-7 = 1 mm.

7. Elytra microreticulate, dull

excelsa Liebm. [Fagaceae], Pinus jaliscana Perez de la Rosa, 7'. Elytra smooth, shiny Pinus maximinoii Moore, and Pinus oocarpa 8. Femora and tibiaeSchiede dark reddish brown [Pinaceae]) located between 1,400-1,476 m elevation.

Biological 8'. Femora and tibiae yellow to lightNotes. red Adults of this species have been collected on grass, under moss, in a carrion trap baited 9. Pronotum and elytra light redwith squid (probably accidental), and attracted to light traps in June and July. Adults of this 9'. genus Pronotum seem and elytra to darkfeed reddish on flowers,brown while the larvae feed to black on roots in pastures and, to a lesser de- gree, in 10. crops Clypeus (Capistrán bilobed and and Aquino deeply 1992; concave Pardo- (Figs. 4,

Lorcano 5) et al 2005). Frey (1962) grouped the species of this genus 10'. Clypeus broadly emarginated (males) (Fig. 6) into three species-groups differing mainly in the or straight (females) and flat or slightly con- type of vestiture (setae, scale-like setae, or scales). cave (Fig. 7) Delgado (2001) and Delgado and Navarrete-Heredia (2004) used Acknowledgments this same character to construct a key to separate the Mexican species. However, there are problems We thank Esteia Sevilla,in Hector Jimeno,distinguishing and the types of vestiture, because David Jimeno the for collecting and donatingthickness, the width, and length of the setae and specimens. We thankscales Fernando Escobar for pro- show a gradual variation. For these reasons, viding logistical we support and Brendapresent Lagunes a new key based on other char- acters to for her help withseparate the photographs. We thank two the Mexican and Central American species anonymousof reviewers forthis their useful comments. genus.

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References Cited Evans, A. V, and A. B. T. Smith. 2009. An Electronic Checklist of the New World Chafers (Coleoptera: Capistrán, F., and O. Aquino. 1992. Observaciones Scarabaeidae: Melolonthinae). Version 3, 353 pp. sobre la biologia de Ceraspis pilatei Harold (Co- Available at: www.museum.unl.edu/research/ leoptera: Melolonthidae), en el área de Catemaco, entomology/SSSA/NW-Melo-v3.pdf (Accessed Veracruz, México. Folia Entomológica Mexicana 20 December 2009). 85: 119-122. Frey, G. 1962. Revision der Gattung Ceraspis Serv., Delgado, L. 2001. A new species of Ceraspis, with a nebst Beschreibung einer dazugehörigen neuen key to the Mexican species of the genus (Coleop- Gattung (Coleoptera, Melolonthidae) Entomolo- tera: Melolonthidae; Melolonthinae). Journal of gischen Arbeiten aus dem Museum Georg Frey the New York Entomological Society 109(1): 13: 1-66. 167-170. Katovich, K. 2008. A generic-level phylogenetic Delgado, L., C. Deloya, and M. A. Moron. 1987. review of the Macrodactylini (Coleoptera: Descripción del macho de Ceraspis velutina (Bates) Scarabaeidae: Melolonthinae). Insecta Mundi 23: y nuevos registros de C. centralis (Sharp) para 1-78. México (Coleoptera: Melolonthidae; Macrodac- Pardo-Locarno, L. C, J. Montoya-Lerma, A. C. tylini). Folia Entomológica Mexicana 71: 47-54. Belloitti, and A. V Schoonhoven. 2005. Struc- Delgado, L., and J. L. Navarrete-Heredia. 2004. ture and composition of the white grub complex Ceraspis jaliscoensis, a new species from México (Coleoptera: Scarabaeidae) in agroecological (Coleoptera: Scarabaeidae: Melolonthinae). Zootaxa systems of northern Cauca, Colombia. Florida 787: 1-7. Entomologist 88(4): 355-363. Evans, A. V. 2003. A checklist of the New World cha- fers (Coleoptera: Scarabaeidae: Melolonthinae). (Received 14 January 2010; accepted 16 March 2010. Zootaxa 211: 1-419. Publication date 21 June 2010.)

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