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A new species of Parandrinae from the Central Andes of Colombia (Coleoptera: Cerambycidae) JULIANA CARDONA-DUQUE1, ANTONIO SANTOS-SILVA2 & MARTA WOLFF1 1 Laboratorio de Colecciones Entomológicas - GIEM, Instituto de Biología, Universidad de Antioquia AA 1226, Medellín, Colombia. E-mail:
[email protected];
[email protected] 2 Museu de Zoologia, Universidade de São Paulo. Caixa Postal 42594, 04299-970 São Paulo, São Paulo, Brasil. E-mail:
[email protected]
Abstract All known species of Parandra (Parandra) are distributed in Central America and the Caribbean region; a new species, Parandra (P.) antioquensis (Coleoptera: Cerambycidae: Parandrinae: Parandrini) from Colombia is here described. A key to the species of Parandra (Parandra) is presented. Key words: Cerambycidae, new species, Parandra, taxonomy.
Resumen Todas las especies conocidas de Parandra (Parandra) se distribuyen en Centroamérica y la región del Caribe; se describe una nueva especie de Colombia, Parandra (P.) antioquensis (Coleoptera: Cerambycidae: Parandrinae: Parandrini). Se presenta una clave para las especies de Parandra (Parandra). Palabras clave: Cerambycidae, nueva especie, Parandra, taxonomía.
Introduction During a revision of the specimens of Parandrinae deposited in Colombian entomological collections, we found a specimen which differed significantly from all known species of the subfamily. Through an examination of the specimen we determined that it represents a new species of the genus Parandra Latreille, 1804; this genus was reviewed by Santos-Silva (2002) in his revision of Parandrini. The species belonging to Parandra (Parandra) are keyed including the new species of the subgenus. The political instability makes it impossible to explore the area and look for more specimens that could be used in the description of the species; no additional specimens were found during the examination of many Colombian entomological collections and some field trips made to localities near Granada in order to collect Parandrinae were unsuccessful. The holotype is deposited at the Colección de Entomología of the Universidad de Antioquia (CEUA), in Medellín, Colombia.
Accepted by G. Morse: 3 Oct. 2007; published: 14 Dec. 2007
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Parandra (Parandra) antioquensis, new species (Figs. 1–7 and 9) Description. Female (Fig. 1). General coloration of the integument reddish-chestnut; head and mandibles dark chestnut; apical portion of the femora and tibial margins dark chestnut to black; elytral suture blackish. Dorsal surface of the head densely covered by large punctures (larger at the region between the eyes and the occiput, and closer to each other at the latero-anterior area) (Fig. 2). Ocular carina wide and barely marked. Eyes small, protruding, and reniform. Genae laterally with moderately large punctures, some of them with a microscopic hair. Apex of the labrum rounded and blackish. Hypostomal carina narrow and low. Hypostomal area glabrous and with large punctures, which are abundant at the mentum and sparser near to the gula; anterior margin narrow and elevated laterally, almost flattened medially. Mentum with large, confluent punctures, and some moderately long hairs laterally, more abundant antero-laterally than medially (Fig. 3–4). The galea is long, almost reaching the apex of the third segment of the maxillary palps, with long and sparse pilosity. Teeth of the mandibular internal margin wide, protruding and joined at the basal portion (just separated near the apex); internal dorsal face with thick and scattered punctures, and hairs barely concentrated close to the internal margin; ventro-apical tooth protruding. Antennae 1.2 times the length of the prothorax medially; scape glabrous and with large, abundant punctures; pedicel glabrous; antennomeres III–X with long hairs at distal third (Fig. 5); antennomere XI with long and sparse hairs from the middle to the apex; antennomeres III–XI with a wide ventral sensorial area (as wide as 2/3 of its length), which is divided by a low carina (Fig. 6); dorsal-apical sensorial area of the antennomere XI elliptic and clearly defined (Fig. 7).
FIGURE 1. Parandra (Parandra) antioquensis new species. Holotype, female, length, 19,4 mm.
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FIGURES 2–4. Parandra (Parandra) antioquensis new species head. 2, dorsal view; 3, ventral view; 4, mentum.
FIGURES 5–7. Parandra (Parandra) antioquensis new species. 5, antennomeres apical hairs; 6, sensorial ventral area of antennomeres III–XI; 7, sensorial dorsal-apical area of antennomere XI. A NEW SPECIES OF CERAMBYCIDAE FROM COLOMBIA
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Prothorax transverse, wider near the head; curved laterally; pronotum with lateral margins upturned, mainly at apical two-thirds; anterior margin weakly sinuate; posterior angles obtuse; punctuation coarse and dense, mainly laterally. Metasternum with large, sparse punctures laterally, with fine and abundant punctures antero-medially; postero-medial area with punctures like those antero-medial ones, but more concentrated. Metepisternum with sparse punctures, similar to those at the lateral region of the metasternum. Elytra with large punctures, clearly larger than those of the head and pronotum, such punctuation is concentrated and well-defined except at the area around the scutellum, where punctures are shallower and more widely separated. Abdominal sternites I–IV glabrous and with moderately abundant, large punctures; abdominal sternite V with punctures like those of the previous abdominal sternites at its basal third, with granules at the apical twothirds and hairs laterally and apically (which are longer near the apex). Tarsal paroniquium with one seta. Dimensions in mm. Total length (excluding mandibles): 19,4; largest width of the prothorax: 4,7; pronotum length at the mid point: 3,4; humeral width: 4,8; elytral length: 11,4. Etymology. This species is named after the Antioquia department, the locality where the type specimen was collected. Type material. Holotype female, COLOMBIA, Departamento de Antioquia: Granada, III.1998, M. Londoño col. (CEUA 12428). The specimen was collected in the northern Central Andes of Colombia, in the municipality of Granada, Antioquia department. The label of the specimen only had written the municipality of Granada as it collection locality; nonetheless, we added some new information about this locality as follows: Granada is located at 06°08’48’’ N, 75°11’18’’ W in eastern Antioquia, most of the area is mountainous including temperate and cold habitats, the mean temperature being 16ºC (IGAC 1996). Granada covers elevations between 700–2100 m; the annual precipitation ranges between 2000–4000 mm, and the region presents three Holdridge life zones: tropical moist forest, premontane rain forest, lower montane rain forest (Cuartas et al. 1997). Discussion. The new species was assigned to Parandra (Parandra) Latreille, 1804. However it is very similar to members of the genus Acutandra Santos-Silva, 2002. Generally, females of Acutandra have the anterior margin of the pronotum strongly sinuous; an alternative condition is seen in Parandra which exhibits such margin almost straight or weakly sinuous; nevertheless, exceptions to either condition could be found in both genera. Santos-Silva (2002) defined the quantity of setae at the tarsal paroniquium in an attempt to separate the genera Acutandra from Parandra: Acutandra exhibits one or two setae, whereas Parandra has just a single seta. Likewise, the dorsal-apical sensorial area of the XI antennomere in P. antioquensis new species is clearly defined (Fig. 7); a character that occurs in all the known species of Parandra and can be present or not in Acutandra (Santos-Silva 2002). The main differences between those genera are present in the males (SantosSilva 2002), where the apex of the labrum is truncated in Parandra and acute in Acutandra, and the mandibles are falciform in the former and subtriangular in the latter. Parandra (Parandra) antioquensis new species is the first species of this subgenus occurring in South America (Fig. 8). The remaining species occur in Central America and the Caribbean. This species largely looks like Parandra (Parandra) pinchoni Villiers, 1979, from the islands of Martinique and Dominica, and differs from it by having a more slender body (Fig. 1), by presenting a carina which splits the sensorial region of antennomeres III–IV, and by the shape of the posterior angles of the pronotum which are obtuse and barely protrude (Fig. 9). Parandra (P.) pinchoni has a more robust body (Fig. 13), the sensorial areas of antennomeres III–IV are not divided by a carina, the posterior angles of the pronotum protrude almost at a right angle (Fig. 10). Parandra (P.) angulicollis Bates, 1879 is the species of the subgenus that presents the nearest geographical distribution to Parandra (P.) antioquensis new species. Differences between both species are: the punctuation of head and pronotum which is clearly finer and denser in Parandra (P.) antioquensis new species (Fig. 9), and the shape of the posterior angles of pronotum which are rounded in the new species, and at a right angle in Parandra (P.) angulicollis (Figs. 9 and 11).
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FIGURE 8. Type locality.
FIGURES 9–12. Head and pronotum, females. 9, Parandra antioquensis new species; 10, Parandra pinchoni; 11, Parandra angulicollis; 12, Parandra cribata.
Key to the American species of Parandra (Parandra) (Santos-Silva, 2002 modified) NOTE: Parandra cubaecola Chevrolat, 1862 is not included because the taxonomical validity of the species needs to be revised; apparently it is a synonym, but this must to be confirmed or not with the detailed study of specimens from Cuba.
1. Ventral sensorial area of antennomere XI divided by an incomplete carina (generally, from the mid region to the apex). Puerto Rico ........................................................Parandra (P.) tavakiliani Santos-Silva, 2002 - Ventral sensorial area of antennomere XI divided by a complete carina (from the base to the apex)......... 2 2(1).Elytral punctures small and shallow ........................................................................................................... 3 A NEW SPECIES OF CERAMBYCIDAE FROM COLOMBIA
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- Elytral punctures large and deep.................................................................................................................. 4 3(2).Prothorax conspicuously transverse (width more than 1.5 times the length) and with wide lateral margin in both sexes; anterior angles of prothorax almost right and scarcely projected; apex of mandible of the males with three teeth in dorsal view (tooth of the internal margin located joined to the apical ones). México ................................................................................................................. Parandra (P.) lata Bates, 1884 - Prothorax not clearly transverse (width less than 1.5 times the length) and with slightly protruding lateral margin in both sexes; anterior angles of prothorax at an acute angle and usually evidently projected; apex of mandible of the males with two teeth in dorsal view. Cuba, Hispaniola and Jamaica ............................. .............................................................................................................. Parandra (P.) laevis Latreille, 1804 4(2).Punctuation of the dorsal face of the head and pronotum (Figs. 9 e 10) copious and concentrated .......... 5 - Punctuation of the dorsal face of the head and pronotum (Figs. 11 e 12) more sparse .............................. 6 5(4).Sensorial area of antennomeres III–IV not divided by a carina. Dominica and Martinica .......................... ........................................................................................................... Parandra (P.) pinchoni Villiers, 1979 - Sensorial area of antennomeres III–IV divided by a carina. Colombia......................................................... ........................................................................................................Parandra (P.) antioquensis new species 6(4).Sensorial area of antennomeres III–X (Fig. 14) clearly narrow and long (some specimens could not present such character in all the mentioned antennomeres). Cuba.. Parandra (P.) cribrata Thomson, 1861 - Sensorial area of antennomeres III–X (Fig. 15) not clearly narrow and long. Mexico to Panama ............... ......................................................................................................... Parandra (P.) angulicollis Bates, 1879
FIGURE 13. Parandra pinchoni female.
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FIGURES 14–15. Sensorial area of antennomeres III–X, females. 14, Parandra (P.) cribrata; 15, Parandra (P.) angulicollis.
Aknowledgements We thank to the Laboratorio de Colecciones Entomológicas Universidad de Antioquia for the loan of the type specimen. We also thank D. Calderón and J. F. Díaz for their help in checking the English version of the manuscript, the former helped with useful literature, and Dr. Michael Thomas from Florida State Collection of Arthropods for his review of the final manuscript. The first author thanks Grupo de Entomología, Universidad de Antioquia (CEUA-GIEM) for its support, and extends her deepest gratitude to Dr. Frank T. Hovore (passed away September 22, 2006) for his support during these years, and his motivation for the publication of this work.
References Bates, H.W. (1879). Biologia Centrali-Americana, Insecta, Coleoptera. London, Britsh Museum (Natural History). Vol. 5, 1–16. Bates, H.W. (1884). Biologia Centrali-Americana, Insecta, Coleoptera, suppl. to Longicornia. London, Britsh Museum (Natural History). Vol. 5, 225–248. Cuartas, C.A., Giraldo, R. & M. Peña. (1997) Estudio de la fauna y flora del municipio de Granada. Convenio Cornare municipio de Granada. Informe de CORNARE, 68 pp. IGAC. (1996). Diccionario Geográfico de Colombia. Versión Electrónica. Instituto Geográfico Agustín Codazi. Latreille, P.A. (1804). Histoire Naturelle, générale et particuliére des Crustacés et des Insectes. Paris, F. Duffart. Vol. 11, 424 pp. Santos-Silva, A. (2002). Notas e descrições em Parandrini (Coleoptera, Cerambycidae, Parandrinae). Iheringia, Série Zoologia, 92, 29–52. Thomson, J. (1861). Monographie de la famille des parandrides. Musée Scientifique, 2, 73–87. Villiers, A. (1979) Diagnose préliminaire d'un nouveau Parandra antillais (Coleoptera, Cerambycidae). Revue Française d’Entomologie, (n.s.) 1, 182.
A NEW SPECIES OF CERAMBYCIDAE FROM COLOMBIA
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