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Associated with Senna Neglecta (Vogel) HS Irwin and Barneby This article was downloaded by: [University Federal Do Parana], [Jéssica Viana] On: 06 August 2013, At: 10:18 Publisher: Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer House, 37-41 Mortimer Street, London W1T 3JH, UK Journal of Natural History Publication details, including instructions for authors and subscription information: http://www.tandfonline.com/loi/tnah20 Bruchines (Coleoptera: Chrysomelidae) associated with Senna neglecta (Vogel) H.S. Irwin and Barneby (Fabaceae: Caesalpinioideae): a new host plant for the subfamily Jéssica Herzog Viana a & Cibele Stramare Ribeiro-Costa a a Laboratório de Sistemática e Bioecologia de Coleoptera (Insecta), Departamento de Zoologia , Universidade Federal do Paraná , Curitiba , Brazil Published online: 06 Aug 2013. To cite this article: Journal of Natural History (2013): Bruchines (Coleoptera: Chrysomelidae) associated with Senna neglecta (Vogel) H.S. Irwin and Barneby (Fabaceae: Caesalpinioideae): a new host plant for the subfamily, Journal of Natural History To link to this article: http://dx.doi.org/10.1080/00222933.2013.791882 PLEASE SCROLL DOWN FOR ARTICLE Taylor & Francis makes every effort to ensure the accuracy of all the information (the “Content”) contained in the publications on our platform. However, Taylor & Francis, our agents, and our licensors make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for any purpose of the Content. Any opinions and views expressed in this publication are the opinions and views of the authors, and are not the views of or endorsed by Taylor & Francis. The accuracy of the Content should not be relied upon and should be independently verified with primary sources of information. Taylor and Francis shall not be liable for any losses, actions, claims, proceedings, demands, costs, expenses, damages, and other liabilities whatsoever or howsoever caused arising directly or indirectly in connection with, in relation to or arising out of the use of the Content. This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan, sub-licensing, systematic supply, or distribution in any form to anyone is expressly forbidden. Terms & Conditions of access and use can be found at http://www.tandfonline.com/page/terms- and-conditions Downloaded by [University Federal Do Parana], [Jéssica Viana] at 10:18 06 August 2013 Journal of Natural History, 2013 http://dx.doi.org/10.1080/00222933.2013.791882 Bruchines (Coleoptera: Chrysomelidae) associated with Senna neglecta (Vogel) H.S. Irwin and Barneby (Fabaceae: Caesalpinioideae): a new host plant for the subfamily Jéssica Herzog Viana* and Cibele Stramare Ribeiro-Costa Laboratório de Sistemática e Bioecologia de Coleoptera (Insecta), Departamento de Zoologia, Universidade Federal do Paraná, Curitiba, Brazil (Received 14 September 2011; final version received 29 March 2013) The structures of the exoskeleton and genitalia of bruchines preying on Senna neglecta (Vogel) H.S. Irwin and Barneby seeds were studied. Three new species are described and S. neglecta is recorded as a new host plant for the subfamily. The six bruchine species associated with S. neglecta are Amblycerus hoffmanseggi (Gyllenhal 1833) (Amblycerini), Acanthoscelides multimaculatus sp. nov., Sennius bondari (Pic 1929), Sennius nappi Ribeiro-Costa and Reynaud 1998, Sennius margarete sp.nov.andSennius ricardo sp. nov. (Bruchini). Sennius bondari is the most polyphagous species, while Sennius margarete sp.nov.andSennius ricardo sp. nov. are currently only known from S. neglecta. Descriptions, redescriptions or diagnoses are presented, including revised characters based on electron microscope images of the denticles at the base of the elytra striae, and the lateroventral carina of the hind tibia. An identification key, illustrations, a list of host plants and geo- graphical distribution records are also included. http://www.zoobank.org/urn:lsid:zoobank.org:pub:4293CF55-AA92-4FD5-8343- E51BB9EE5ABD Keywords: Amblycerus; Acanthoscelides; Sennius; seed-beetles; Cassieae Introduction Senna Mill. is a large genus with about 350 species distributed mainly within the trop- ical Americas (Marazzi et al. 2006). A total of nine genera of bruchines (Coleoptera: Chrysomelidae) have already been recorded as predators on the seeds of this legume (e.g. Kingsolver 1971; Arora 1977; Johnson 1989; Delobel et al. 1995; Casari and Texeira 1997; Ribeiro-Costa 1998; Romero and Johnson 2000, 2004). Senna neglecta (Vogel) H.S. Irwin & Barneby occurs in northeastern, southeast- ern, and southern Brazil (Irwin & Barneby 1982) in fields, secondary vegetation, and forest edges and interiors (Rodrigues et al. 2005). Studies of this species have focused Downloaded by [University Federal Do Parana], [Jéssica Viana] at 10:18 06 August 2013 almost exclusively on their use in recuperating degraded areas, landscaping and drug production (Leal et al. 2004; Souza et al. 2004; Leal and Biondi 2006). There are no previous records in the literature of seed predation by bruchines and the knowledge of the diversity of seed beetles in this plant is important because these insects can limit successful seed production and therefore population propagation. Earlier unpublished ecological studies conducted by the first author with S. neglecta var. oligophylla in the Serra dos Órgãos National Park in the state of Rio *Corresponding author. Email: [email protected] © 2013 Taylor & Francis 2 J. Herzog Viana and C.S. Ribeiro-Costa de Janeiro, Brazil, and by the second author with S. neglecta var. neglecta in Curitiba, state of Paraná, recorded Amblycerus hoffmanseggi (Gyllenhal 1833) and Sennius nappi Ribeiro-Costa & Reynaud 1998, as predators of their seeds, although it was not pos- sible at that time to identify many specimens to the specific level. The present study reviewed the bruchines associated with S. neglecta and provides specific names and an identification key to facilitate their recognition. Material and methods The material studied came mainly from collections made on seeds of S. neglecta var. oligophylla at the Serra dos Órgãos National Park, Rio de Janeiro State, Brazil (22◦4518 S, 43◦0020 W), and in Curitiba, Paraná State (25◦4503 S, 49◦2426 W) on S. neglecta var. neglecta seeds. Other specimens (or their pho- tographs) were acquired on loan; the new species have been deposited in different national and international museums, these are listed below followed by the acronyms and the name of curator: BMNH, British Museum of Natural History, London, UK (Photos: S.P. Rosa); CEAM, Centro de Entomologia y Acarologia, Montecillo, Mexico (J.R. Nápoles); CNCI, Canadian National Collection of Insects, Ottawa, Canada (A.E. Davies); DZUP, Coleção de Entomologia Pe. J.S. Moure, Curitiba, Paraná, Brazil (C.S. Ribeiro-Costa); FIOC, Fundação Instituto Oswaldo Cruz, Rio de Janeiro, Rio de Janeiro, Brazil (S. de Oliveira); FSCA, Florida State Collection of Arthropods, Gainesville, FL, USA (M.C. Thomas); MCNZ, Museu de Ciências Naturais da Fundação Zoobotânica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil (M.H. Galileo); MNRJ, Museu Nacional/Universidade Federal do Rio de Janeiro, Rio de Janeiro, Rio de Janeiro, Brazil (M.A. Monné); MZSP, Museu de Zoologia, Universidade de São Paulo, São Paulo, Brazil (S. Casari); TAMU, Texas A&M University, College Station, TX, USA (E. Riley); USNM, National Museum of Natural History, Washington, D. C., USA (D.G. Furth). The date format of non-type specimens was standardized regardless of their label information to: day.month (in Roman numerals).year. Most characters were observed from dry and pinned insects. When neces- sary, specimens were boiled in water for 5 minutes and dissected under a LEICA MTU253 stereoscopic microscope. Drawings were made using the same equipment. To study the male genitalia, the pygidium was raised and the internal mass of abdom- inal muscles and organs, including the genitalia, was removed and boiled in 10% potassium hydroxide for a few minutes. This material was then washed in distilled water, placed on a slide, and observed under a Carl Zeiss–Standard 20 microscope; images were captured using a Sony Cyber-Shot DSC–W300 digital camera coupled Downloaded by [University Federal Do Parana], [Jéssica Viana] at 10:18 06 August 2013 to the microscope; drawings of the internal sac sclerites were made with the same equipment. Coloured images of the external morphology were captured with a LEICA DFC 500 digital camera (IMAGE MANAGER) attached to a LEICA MZ16 stereomicro- scope and subsequently processed using Auto-Montage Pro (Syncroscopy, Cambridge, United Kingdom) image processing software of the “TAXon line – Rede Paranaense de Coleções Biológicas” at the Departamento de Zoologia, UFPR. Images were made of non-metalized specimens at low vacuum levels using a Jeol JSM-6360LV scanning electron microscope at the Centro de Microscopia Eletrônica (CME) of UFPR. Journal of Natural History 3 The terminology adopted follows Johnson and Kingsolver (1973), with the descrip- tion of the internal sac of male genitalia in the everted position, and Silva et al. (2003). The host plants and the geographic distributions of each species were based on label data, the published literature and the Brucol Database (Romero & Johnson 2002), summarized in Table 1. All plant names were checked using the International Legume Database and Information Service (ILDIS)
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