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INSECTA: HEMIPTERA) RECORDS from COLOMBIA Nuevos Registros De Heteroptera (Insecta: Hemiptera) Para Colombia

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INSECTA: HEMIPTERA) RECORDS from COLOMBIA Nuevos Registros De Heteroptera (Insecta: Hemiptera) Para Colombia www.unal.edu.co/icn/publicaciones/caldasia.htm Caldasia 28(1):125-128.Forero 2006 NEW HETEROPTERA (INSECTA: HEMIPTERA) RECORDS FROM COLOMBIA Nuevos registros de Heteroptera (Insecta: Hemiptera) para Colombia DIMITRI FORERO Laboratorio de Entomología, Museo Javeriano de Historia Natural, Pontificia Universidad Javeriana, Bogotá, Colombia. Present address: Department of Entomology, Cornell University, Ithaca NY, 14853, USA; and American Museum of Natural History, Division of Invertebrate Zoology, New York, New York 10024-5192, USA. [email protected]. ABSTRACT Two species of the genus Vilga Stål and the genus Dicysta Champion are recorded for the first time from Colombia. Key words. Hemiptera, Heteroptera, Colombia insects, Dicysta, Vilga. RESUMEN Se registran por primera vez para Colombia dos especies del género Vilga Stål, y por primera vez el género Dicysta Champion. Palabras clave. Hemiptera, Heteroptera, Insectos de Colombia, Dicysta, Vilga. INTRODUCTION Laboratorio de Entomología, Museo de Historia Natural, Pontificia Universidad The Heteroptera, or “true bugs”, are among Javeriana, Bogotá, Colombia (MUJ); the most diverse groups within the Hemiptera, Instituto Alexander Von Humboldt, Villa and are usually identified by the strong odor de Leyva, Colombia (IAVH); and National produced by the metathoracic scent glands History Museum, Smithsonian Institution, (Schuh & Slater 1995). The Hemiptera is Washington D.C., USA (USNM). the fifth largest group of insects with at least 80.000 described species (Gaston 1991), Vilga Stål (Coreidae: Pseudophloeinae) with the Heteroptera being the largest group The Pseudophloeinae can be distinguished with more than 35.000 species (Slater 1982). from other Coreidae subfamilies by having The true bugs that occur in Colombia are the tibiae terate, without a dorsal sulcus; lack poorly known. The data for many groups of a median dorsal impression on the head; is sparse and no comprehensive account or enlarged posterior abdominal angles of the checklist exists for the country. Here, two seventh segment; eighth female paratergite species of the genus Vilga Stål and the genus without a functional spiracle; particular Dicysta Champion are recorded for the first genitalic characters; and by the structure of time from Colombia. The specimens were the scent-gland auricle, in which the peritreme examined during curatorial activities at the has a dorsal ridge entire or shortly bilobed, not MUJ and IAVH collections. The acronyms of with a Y-shape (Dolling 1977, 1978, 1986). depositary institutions are as follow: Instituto The subfamily includes 28 genera distributed de Ciencias Naturales, Universidad Nacional in all geographic areas, except non-tropical de Colombia, Bogotá, Colombia (UNCB); Australia (Dolling 1986). The species of 125 New Heteroptera (Insecta: Hemiptera) records from Colombia Pseudophloeinae are frequently associated 1986, [curso] Sist. avanzada [UNCB]; 1♂, with Fabaceae herbs, although no host- Sasaima, C. Cordova [UNCB]. records exist for Neotropical species (Dolling 1977, 1978, 1986). Pseudophloeinae includes Dicysta Champion (Tingidae) three genera in the New World: Coriomeris The Tingidae are called “lace bugs” due to Westwood, Ceraleptus Costa, and Vilga Stål. the delicate body reticulation found in many The first two are Holartic (Froeschner 1963, of their species (Drake & Ruhoff 1965, Schuh Dolling & Yonke 1976, Dolling 1977), while & Slater 1995). Madrigal (1978) listed and Vilga is Neotropical, with V. mexicana Distant commented the species present in Colombia, 1893 ranging from Southern Arizona to El based partially in the world catalogue of Salvador (Dolling 1977, 1986). The projecting Drake and Ruhoff (1965). The genus Dicysta lobe of the seventh abdominal tergum of the has been so far recorded from Panama, males unites the species included in Vilga Peru, Brazil, Paraguay, Australia, and New (Dolling 1977). The genus includes 13 species Caledonia (Drake & Ruhoff 1965, Guilbert accommodated in six subgenera (Dolling 1997). Species of this genus have frequently 1977, 1986). Dolling (1977) commented that been associated with Bignoniaceae species specimens of this genus are rare in collections, (Drake & Ruhoff 1965). After Champion’s maybe due to cryptic habitats. (1897) description of the monotypic Dicysta, Drake (1922, 1922a), Drake & Hambleton In Colombia only V. dissimilis Distant, (1935, 1939, 1940), Drake & Poor (1939), 1893 has been previously reported (Dolling and Monte (1940) added several new species 1977). V. westwoodi (Kolenati, 1845) (Fig. from the Neotropical region. The genus has 1A), which is a widespread taxon in the never been revised and includes 14 described Neotropics, has been recorded from Trinidad, species (Drake & Ruhoff 1965, Guilbert Bolivia, Argentina, Paraguay, and Brazil; 1997). The specimen studied (Figs. 1B, 1C) and V. divaricata Distant, 1893 has been is the first generic record from Colombia. It recorded from Panama and Guyana (Dolling was collected at a Malaise trap in a tropical 1977). The specimens of V. divaricata and dry forest of the Caribbean coast. V. westwoodi listed below represent the first species records from Colombia. Several Dicysta specimens were examined at the USNM and compared to the Colombian Specimens examined: Vilga divaricata: specimen: D. amica (holotype), D. cara COLOMBIA. Tolima: 1♂, Melgar, 450 m, (holotype), D. fonsecai, D. hollandi, D. 5-III-91, [MUJ]; 1♂, Melgar, Base Aérea, lauta (holotype), D. limata (holotype), D. 18 jun 1974, H. León, leg. [UNCB]. Vilga neocaledonica, D. sagillata (holotype), westwoodi: COLOMBIA. Meta: 1♂, D. serrata, D. smithi, D. vitrea, D. parilia Villavicencio, 8 oct 1970, P. Rodríguez T., leg. (holotype) and D. peruviana (holotype). It was [UNCB]; 1♂, Acacías, Vda. Alto A., 730 m, not possible to assign it to any of the species 6 dic 1985, A. Sanchez, leg. [UNCB]; 2♂♂, examined in the collection. The only species Cumaral, via a Veracruz, 4°9’N 73°20’W, that could not be examined was D. brasiliensis, Vda. Laguna Brava, Fca. El Campin, 400 m, although from its description (Drake 1922) it 23 oct 1994, M. Ospina [IAVH]; 1♀, PNN differs from the Colombian specimen in that La Macarena, Caño La Curia, 580 m, , 24 dic the hemelytra is widened near the apex (not 1993, F. Fernández [IAVH]; [Boyacá:] 1♀, widened in the Colombian specimen), and that Laguna P’alagua, Pto. Boyaca, 10 nov 1976, the portion connecting the inflated part of the H. Bernal, leg. [UNCB]; Cundinamarca: middle carina bears three areoles (no areoles in 1♂, Medina, Vda. Choapal alt. 540 m, 29 jul the Colombian specimen). 126 Forero Figure 1. Dorsal photographs of Vilga and Dicysta. A., V. westwoodi, male, dorsal view; B., Dicysta sp., male, dorsal view, C. Dicysta sp., lateral view. Some differences distinguish the Colombian corrected the English version. C.I. Bohórquez specimen from other Dicysta species: the gave me useful comments on the manuscript. hemelytral tubercles are conical rather than concave anteriorly; the median carina is flat LITERATURE CITED in the first half and inflated in the posterior half. The most similar species is D. sagillata, CHAMPION, G. C. 1897-1901. Insecta. sharing with it the large hemispherical hood; Rhynchota. Hemiptera-Heteroptera. Volume the anterior part of the median carina without II. Pp. xvi + 1-416, 22 plates In: Godman, F. cells; the prominent hemelytral tubercles; D. & Salvin, O. (eds.), Biologia Centrali- and the paranota not strongly recurved. The Americana. Printed by Taylor & Francis. examined specimen differs from D. sagillata London. in the shape of the tubercles of the hemelytra, DOLLING, W. R. 1977. A revision of the which are conical instead of concave Neotropical genus Vilga Stål (Hemiptera: anteriorly; in the more flattened and expanded Coreidae). Systematic Entomology 2: 27-44. paranota; and in having a rather different DOLLING, W. R. 1978. A revision of the coloration pattern. With additional specimens Oriental pod bugs of the tribe Clavigrallini further studies may prove that this is a new, (Hemiptera: Coreidae). Bulletin of the yet undescribed, species. British Museum (Natural History), Entomology series 36(6): 281-321. Specimen examined: COLOMBIA. Bolívar: DOLLING, W. R. 1986. The tribe Pseudophloeini 1♂, SFF Los Colorados, 300 m, 9°51’33”N (Hemiptera: Coreidae) in the Old World 73°06’38”W, agosto 1996, Bosque seco, tropics with a discussion of the distribution of [trampa] Malaise, F. Escobar, leg. IAVH. the Pseudophloeinae. Bulletin of the British Museum (Natural History), Entomology ACKNOWLEDGEMENTS series 53(3): 151-212. DOLLING W. R. & T. R. YONKE. 1976. The T. J. Henry (USNM) kindly let me study the genus Coriomeris in North America. Tingidae collection under his care. G. Fagua Annals of the Entomological Society of (MUJ), F. Fernández (IAVH), and G. Amat America 69(6): 1147-1152. (UNCB) facilitated the study of their respective DRAKE, C. J. 1922. IX. The genus Dicysta collections. J. Darbro (Cornell University) Champion (Hemiptera). Annals of the 127 New Heteroptera (Insecta: Hemiptera) records from Colombia Carnegie Museum 13(3-4): 269-273. FROESCHNER, R. C. 1963. The genus Ceraleptus DRAKE, C. J. 1922a. Neotropical Tingitidae Costa in the Western Hemisphere. Journal with descriptions of three new genera of the Kansas Entomological Society 36 and thirty-two new species and varieties (2): 109-113. (Hemiptera). Memoirs of the Carnegie GUILBERT, E. 1997. Two new species of Museum 9 (2): 351-378, 1 plate. Dicysta (Hemiptera, Tingidae) from New DRAKE, C. J. & E. J. HAMBLETON. 1935.
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