Taxonomic Revision of the Flea Genus Agastopsylla Jordan & Rothschild
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An Acad Bras Cienc (2020) 92(1): e20181136 DOI 10.1590/0001-3765202020181136 Anais da Academia Brasileira de Ciências | Annals of the Brazilian Academy of Sciences Printed ISSN 0001-3765 I Online ISSN 1678-2690 www.scielo.br/aabc | www.fb.com/aabcjournal BIOLOGICAL SCIENCES Taxonomic revision of the flea genus Running title: The genus Agastopsylla Jordan & Rothschild 1923 Agastopsylla (Siphonaptera: Ctenophthalmidae) Academy Section: Biological sciences MARIA FERNANDA LÓPEZ-BERRIZBEITIA, JULIANA SANCHEZ, RUBÉN M. BARQUEZ & MÓNICA DÍAZ e20181136 Abstract: Fleas of Argentina are receiving renewed systematic interest, but the identification of many species associated with small mammals can be problematic. We review the taxonomy of the flea genus Agastopsylla including the re-description of two 92 (1) species and one subspecies, and designate neotype and neallotype for Agastopsylla 92(1) hirsutior, neotype for Agastopsylla nylota nylota from the “Colección Mamíferos Lillo Anexos” (CMLA), Universidad Nacional de Tucumán, Argentina, and neotype and neallotype for Agastopsylla pearsoni from the Natural History Museum (London, U.K.). Additionally, a key to identification of the species of Agastopsylla and a distribution map of the species of the genus are included. Key words: fleas, systematic, type specimens, rodents, key identification. INTRODUCTION Agastopsylla guzmani Beaucournu et al. 2011 (Beaucournu et al. 2014, Lareschi et al. 2016). In The genus Agastopsylla Jordan & Rothschild Argentina, only two species and two subspecies, 1923 (family Ctenophthalmidae, subfamily A. b. boxi, A. b. gibbosa and A. pearsoni (Lareschi Ctenophthalminae) is characterized by the et al. 2016) have been recorded. reduction in size and the coloration of the spines There are several issues that hinder the of the genal comb (Hopkins & Rothschild 1966). systematic study of the genus Agastopsylla. The distribution of the genus is restricted to For example the loss of type specimens in Perú, Chile and Argentina (Hopkins & Rothschild reference collections, or the incomplete original 1966, Beaucournu et al. 2014) and the known descriptions of some species described more species are associated mainly to cricetid rodents than 60 years ago, and the lack of voucher (Hopkins & Rothschild 1966, Beaucournu et al. specimens deposited in systematic collections. 2014, Lareschi et al. 2016). We here provide a review of the genus The genus Agastopsylla contains five Agastopsylla, which includes the re-description species and four subspecies: Agastopsylla boxi of two species and one subspecies. In boxi Jordan & Rothschild 1923, Agastopsylla boxi accordance with Article 75 of the International gibbosa Beaucournu & Alcover 1990, Agastopsylla Code of Zoological Nomenclature (ICZN 1999), hirsutior Traub 1952, Agastopsylla nylota nylota we designate neotype and neallotype for A. Traub 1952, Agastopsylla nylota euneomys Lewis hirsutior and Agastopsylla pearsoni and neotype 1984, Agastopsylla pearsoni Traub 1952 and An Acad Bras Cienc (2020) 92(1) MARIA FERNANDA LÓPEZ-BERRIZBEITIA et al. THE GENUS AGASTOPSYLLA for A. n. nylota and include the first description Nacional de Tucumán and in the Sam Noble of the male of A. hirsutior and of the female of Oklahoma Museum of Natural History (SNOMNH), A. n. nylota. Additionally, a key to identification University of Oklahoma (Norman, OK). and a distributional map of the species of We used the morphological characters Agastopsylla are also included. observed in this study as well as the published morphological information for species and subspecies (Jordan & Rothschild 1923, Traub 1952, MATERIALS AND METHODS Beaucournu & Alcover 1990, Sanchez & Lareschi Fleas were obtained from rodents collected in the 2014) to formulate supportive illustrations for the provinces of Salta and Tucumán, Argentina. The characters in the identification key. To illustrate rodents were captured with Sherman live traps the distribution of the genus Agastopsylla, the baited with peanut butter and oats. Fleas were coordinates of the localities recorded for the removed with forceps and brushes, prepared species were obtained from the literature and following conventional techniques for taxonomic the missing coordinates in the bibliography were identification (Hastriter & Whiting 2003) and determined using Google Earth Pro Version 2018. photographed with a digital camera AxioCam The map was designed with ArcGis 10.1 program ERC5S and processed with Microscope Imaging (ESRI 2011). ArcGIS Desktop: Release 10. Redlands, software ZEISS ZEN 2012-Blue edition (Germany). California: Enviromental Systems Research For the identification of the taxa, the original Institute, using the shapefile of Morrone`s (2015) descriptions of the species and the identification biogeographical regionalization (Lowenberg- keys (Johnson 1957, Hopkins & Rothschild 1966, Neto 2015). Beaucournu et al. 2011) were used. Anatomical terms were adapted from Rothschild & Traub RESULTS (1971) and the classification of Whiting et al. (2008) was followed. Unless otherwise specified, Systematic counts of setae represent only one side of the GENUS AGASTOPSYLLA JORDAN & ROTHSCHILD flea. Specimens ofAgastopsylla boxi boxi [one 1923 male holotype (BMNH 1923-615), one female AGASTOPSYLLA BOXI JORDAN & ROTHSCHILD 1923 allotype (BMNH 1923-615)] from Argentina and AGASTOPSYLLA BOXI BOXI JORDAN & ROTHSCHILD Agastopsylla pearsoni [one male paratype (no 1923 number), one female paratype (no number)] Type host and locality. Abrothrix longipilis from Peru, deposited in the Natural History (Waterhouse 1837) [originally cited as Abrothrix Museum (London, U.K.) were examined. suffusus (Thomas 1903)]; Leleque, Chubut, Neotypes and neallotypes of the species of Argentina (Jordan & Rothschild 1923). Agastopsylla from Argentina were deposited in Other known hosts. Abrothrix olivacea the “Colección Mamíferos Lillo Anexos” (CMLA), (Waterhouse 1837), Akodon iniscatus Thomas Universidad Nacional de Tucumán, Argentina. 1919, Euneomys chinchilloides (Waterhouse Mammal nomenclature follows Wilson & Reeder 1839), Eligmodontia morgani J. A. Allen 1901, (2005), Barquez et al. (2006) and Patton et al. Geoxus valdivianus (Philippi 1858), Graomys (2015). The host specimens were deposited in griseoflavus (Waterhouse 1837), Loxodontomys the Colección Mamíferos Lillo (CML), Universidad micropus Waterhouse 1837, Phyllotis xanthopygus (Waterhouse 1837), Reithrodon An Acad Bras Cienc (2020) 92(1) e20181136 2 | 12 MARIA FERNANDA LÓPEZ-BERRIZBEITIA et al. THE GENUS AGASTOPSYLLA auritus (G. Fischer 1814) (Sanchez & Lareschi 700m, 42º31’32.90”S, 71º25’22.84”W. Neuquén Province: 2013, 2014, 2018). Km 2 Sendero Pla Quetrihue, PN, 1,091 m, 40º56’58.2”S, 71º39’35.1”W; 1 km aguas abajo puente RN 40 sobre Known geographical distribution. Southern Río Neuquén, Chos Malal, 819 m, 37º24’58.7”S, Argentina and Chile (Beaucournu et al. 2014, 70º13’31.6”W; Establecimiento Sorzana, 3 km E RN 22, Lareschi et al. 2016, Sanchez & Lareschi 2018) Zapala, 1,036 m, 38º55’51”S, 70º04’35”W; ANP Domuyo: Aguas Calientes, 1,438 m, 36º40’54.0”S, 70º3’44.2”W. (Fig. 1). Río Negro Province: Laguna Blanca, Antiplanicie del Somuncurá, 1,413 m, 41º25’36”S, 66º57’20”W; Cerro Corona, Antiplanicie del Somuncurá, 1,354 m, 41º27’11”S, 66º53’49”W. Santa Cruz Province: Pali Aike, 13 m, 50º06’30”S, 68º27’37”W; Puerto Santa Cruz, 118 m, 51º56’09”S, 69º34’26”W. CHILE: XI Region Aysén, Coyhaique Province: El Largo land, Coyhaique Alto, 750 m. 45º29’22.47 “S, 71º35’37.08”W; Coyhaique National Reserve, Municipal Camp Trapananda, 600 m, 45º32’04. 46”S, 71º57’51.95”W; Experimental Plots, 700 m, 45º31’46.35 “S, 71º58’3.11”W; General Carrera Province: General Carrera, El Salto, Puerto Ingeniero Ibañez, 380 m, 46º33’54.49”S, 72º05’38.35”W; Puerto Ingeniero Ibañez, Rocky Bluff, 380 m, 46º33’54.49”S, 72º05’38.35”W; Chile Chico (Aerodrome), 330 m, 46º32’55.92”S, 71º44’30.92”W. XII Region Magallanes, Ultima Esperanza Province: Pudeto ranch, 47 m, 51º04’59.47”S, 72º59’59.87”W. Agastopsylla boxi gibbosa (*) (Beaucournu & Alcover 1990, Beaucournu et al. 2014). ARGENTINA: Neuquén Province: Lago Huechulafquen, 1,057 m, 39º42’53.84”S, 71º31’46.90”W; Rio Curruhue, 6 km de Junín de Los Andes, 781 m, 39º57’3.93”S, 71º4’14.52”W; Rio Quilquihue, 821 m, 40º4’39.62”S, 71º11’32.49”W; Cerro Chapelco, 314 m, 38º55’43.07”S, 68º7’1.81”W; Lago Lolog, 918 m, 40º1’48.70”S, 71º25’26.40”W; Lago Curruhue, 314 m, 38º56’17.61”S, 68º5’47.95”W; Lago Norquinco, 1,056 m, 39º8’13.58 “S, 71º17’25.41 “W; Pampa, 265 m, 38º58’5.41”S, 68º3’44.19”W; Rio Alumine, Figure 1. Map illustrating documented Andean 1,086 m, 39º26’6.32”S, 70º56’33.98”W. CHILE: IX Region distribution of species of Agastopsylla. Araucania, Malleco Province: Lonquimay, Paso Pino The localities that follow are listed for each species Hachado, 1,730 m, 38º39’00.00 “S, 70º54’00.00 “W. and subspecies of Agastopsylla. The specific localities Agastopsylla guzmani (■) (Beaucournu et al. 2011). include country, province and/or department, specific CHILE: I Region Tarapacá, Parinacota Province: locality, altitudes, and coordinates. Symbols adjacent Chungará, 4,585 m, 18º15’00.00”S, 69º09’00.00”W. to each species are listed on map. Agastopsylla boxi Agastopsylla hirsutior (▲) (Traub 1952; this study). boxi (+) (Beaucournu et al. 2014, Sanchez & Lareschi, ARGENTINA: Tucumán Province, Tafi Viejo Department: 2013, 2014, 2018). ARGENTINA: Chubut Province: Cabo Ciénaga Grande, San José de Chasquivil, 2830 m, Raso, 7 m, 44º20’23”S, 65º14’59”W; Pico Salamanca, 26º41’8.74” S, 65º39’30.79”W. PERU: Mariscal Nieto 542 m, 45º24’32”S, 67º24’58”W; Cañadón de la Madera, Province, Moquegua Department: Caccachara, 50 Sierra Tepuel, 969 m, 43º52’33”S, 70º42’40”W; Carhué miles Southwest of Ilave, elev. 16,000 ft (4,876.8 m), Niyeu, 1,147 m, 42º49’21”S, 68º23’56”W; Establecimiento 16º44’57.26 “S, 70º6’59.93”W. Agastopsylla nylota Gorro Frigio, 361 m, 43º02’26”S, 69º19’55”W; Estancia nylota ( ) (Traub 1952; this study). ARGENTINA: Salta El Maitén, 702 m, 42º03’34”S, 71º09’48”W; Estancia Province, Chicoana Department: 15 km W Escoipe, Leleque, La Potrada, 614 m, 42º19’56”S, 70º59’00”W; on Provincial road No.