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Mexican Uroleucon (Hemiptera: Aphididae) from the Collection of the Muséum National D'histoire Naturelle of Paris with Eleven

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Mexican Uroleucon (Hemiptera: Aphididae) from the Collection of the Muséum National D'histoire Naturelle of Paris with Eleven 622 Florida Entomologist 94(3) September 2011 MEXICAN UROLEUCON (HEMIPTERA: APHIDIDAE) FROM THE COLLECTION OF THE MUSÉUM NATIONAL D’HISTOIRE NATURELLE OF PARIS WITH ELEVEN NEW SPECIES JUAN M. NIETO NAFRÍA, M. PILAR MIER DURANTE AND NICOLÁS PÉREZ HIDALGO Departamento de Biodiversidad y Gestión Ambiental. Universidad de León, E-24071, León, Spain ABSTRACT Very little is known about the Mexican fauna of Uroleucon; only 4 species have been re- corded, which is fewer than in Central America and the Caribbean. One hundred ninety two samples collected in 19 Mexican states from the Muséum national d’Histoire naturelle (Paris) collection have been studied and 30 species identified. Four of them are the species previously recorded (U. ambrosiae, U. erigeronense, U. pseudoambrosiae and U. sonchi). Fif- teen North American species are recorded for the first time from Mexico: U. astronomus, U. brevitarsus, U. chani, U. eupatoricolens, U. gravicorne, U. macgillivrayae, U. maximiliani- cola, U. nigrotuberculatum, U. obscuricaudatum, U. paucosensoriatum, U. penderum, U. rey- noldense, U. richardsi, U. stoetzelae and U. zerogutierrezis. Thirty-three new “aphid/host plant” relationships of these species have been established. Comments about the distribu- tion of the species are made. Eleven new species are described, illustrated and discussed: U. penae, U. mexicanum, U. gnaphalii, U. sinuense, U. munozae, U. zacatecense, U. queretarense, U. tlaxcalense, U. latgei, U. heterothecae and U. remaudiereorum. An appendix with modifi- cations for 17 keys in Blackman and Eastop’s work, “Aphids on the World’s Herbaceous Plants and Shrubs”, is presented and 3 additional keys are given. Key Words: Uroleucon, aphids, Mexico, host plants RESUMEN Se conoce muy poco sobre la fauna mexicana del género Uroleucon; sólo se han citado cuatro especies en el país, que son menos que las citadas en América Central y el Caribe. Se han es- tudiado 192 muestras recogidas en 19 estados Mexicanos de la colección del Muséum natio- nal d’Histoire naturelle (Paris), habiéndose identificado 30 especies. Cuatro de ellas son especies previamente citadas (U. ambrosiae, U. erigeronense, U. pseudoambrosiae y U. son- chi). Quince especies norteamericanas se citan por primera vez: U. astronomus, U. brevitar- sus, U. chani, U. eupatoricolens, U. gravicorne, U. macgillivrayae, U. maximilianicola, U. nigrotuberculatum, U. obscuricaudatum, U. paucosensoriatum, U. penderum, U. reynol- dense, U. richardsi, U. stoetzelae y U. zerogutierrezis. Se establecen 33 nuevas relaciones “pulgón / planta hospedadora” y se realizan comentarios sobre su distribución. Once nuevas especies son descritas, ilustradas y discutidas: U. penae, U. mexicanum, U. gnaphalii, U. si- nuense, U. munozae, U. zacatecense, U. queretarense, U. tlaxcalense, U. latgei, U. heterothecae y U. remaudiereorum. Se presenta un apéndice con modificaciones para 17 claves de Black- man e Eastop en “Aphids on the World’s Herbaceous Plants and Shrubs” y se establecen tres claves adicionales. Translation provided by the authors. The genus Uroleucon Mordvilko, 1914 (Aphid- and Divium Pashchenko, 2000 (not accepted by idae Aphidinae Macrosiphini) is a hyper-diverse Blackman & Eastop 2006), containing one species genus widely distributed throughout the world, each. mainly in territories of Laurasic origin. Based on In America 112 species have been recorded, data from Remaudière & Remaudière (1997), 102 of which are native (46% of the species in the Eastop & Blackman (2005), Blackman & Eastop genus) and 10 exo-American, mainly European, (2006), Nieto Nafría et al. (2007), Mier Durante & belonging to the subgenera Uroleucon, Uromelan, Ortego (2008) and Jensen et al. (2010), Uroleucon Lambersius and Satula. Ninety species, the 10 comprises 226 species plus 14 subspecies, some of exo-American and 80 native ones, are known in which are of doubtful validity. It is subdivided North America. Nine species have been recorded into 6 subgenera: the nominotypical one, in Central America and the Caribbean, 1 exo- Uromelan Mordvilko, 1914 and Lambersius Ol- American, 6 Nearctic and 2 native species not ive, 1965, which together contain 223 species, known in other parts of the world. Twenty-nine plus Belochilum Börner, 1931, Satula Olive, 1963, species have been recorded in South America, 4 Nieto Nafría et al.: Mexican Uroleucon (Aphididae) with Eleven New Species 623 exo-American, 4 Nearctic, and 21 Neotropical— is protuding in U. solidaginis. U. floricola and U. the latter restricted to the southern half of the stoetzelae are native Nearctic species, placed to- subcontinent. gether in the corresponding key with U. paucosen- Very little is known about the Mexican fauna soriatum (Hille Ris Lambers, 1960) and U. gravi- of Uroleucon. Only 4 species have been recorded corne (Patch, 1919), respectively; Robinson (1988) (Peña-Martínez 1985; Holman et al. 1991; Yáñez- defined the characteristics differentiating them. Morales & Peña-Martínez 1991; Trejo-Loyo et al. U. vernonicola (Holman 1974) and U. zayasi (Hol- 2004), which is fewer than in Central America man 1974) are native American species known in and the Caribbean, despite the fact that the lati- Central America and the Caribbean; Holman tude, altitude and vegetation in Mexico are favor- (1974) defined the characteristics that differenti- able for the existence of a large diversity within ate them from U. ambrosiae (Thomas 1878) and the genus. U. luteolum (Williams 1911) respectively, being In the aphid collection of the Muséum national these last two species included in the mentioned d’Histoire naturelle in Paris (France) the genus keys (Robinson 1985, 1986). Uroleucon is very well represented, with approxi- mately 60% of the species in the genus, including RESULTS AND DISCUSSION paratypes of 42 species, and the samples from Mexico are abundant. To widen our knowledge of Thirty species of the genus, Uroleucon, have Uroleucon fauna in Mexico, a study of the speci- been identified, as follows: 4 species previously mens in this genus from Mexico present in the mentioned in the country, 15 species recorded for collection was carried out. the first time in Mexico, and 11 new ones; but this does not include all the species present in the country, because further collecting would proba- MATERIALS AND METHODS bly turn up more species. One hundred and ninety-two samples collected An asterisk before a plant genus name indi- in 19 Mexican states (including the Federal Dis- cates that the corresponding aphid species is not trict) were studied, a sample being the group of included in the key by Blackman & Eastop (2006) specimens collected on the same species of plant for the identification of aphids living on plants in in a locality on a specific date. The names of those this genus. who collected most of the samples are abbreviated The records refer to states (including the Fed- as follows: ALMV for Ana-Lilia Muñoz Viveros, eral District) or to the “Valle de México”; this val- GR for Georges Remaudière, JPL for Jean-Paul ley is a natural region and the Federal District Latgé, and RPM for Rebeca Peña Martínez. and parts of the states of Hidalgo, Mexico and Most of the studied specimens have been Tlaxcala are located there. mounted on microscopic slides since the 1980s, some of which had to be remade due to damage SPECIES PREVIOUSLY RECORDED IN MEXICO caused by air entering the slide. Specimens pre- served in 70% alcohol were also mounted on The species are presented in alphabetic order. slides. The localities of U. ambrosiae, U. erigeronense and The voucher specimens reside in the collection U. sonchi, are not indicated because they are rel- of the Muséum national d’Histoire naturelle atively common frequent species. (Paris, France) [henceforth CMNHN] with some duplicates in the zoological collection of the Uni- Uroleucon ambrosiae (Thomas, 1878) versidad de León (Leon, Spain) [henceforth CZULE]. Previous Records.—Guanajuato, Morelos, San The keys by Blackman & Eastop (2006), Rob- Luis Potosi, Tamaulipas and Veracruz plus “Valle inson (1985, 1986), Nieto Nafría et al. (2007) and de México”. Mier Durante & Ortego (2008), the original de- New Records (from 79 samples).—AGUASCALI- scriptions, and some later ones were used to iden- ENTES, BAJA CALIFORNIA, COAHUILA, DURANGO, tify the specimens. Also, comparisons were made FEDERAL DISTRICT, GUANAJUATO, GUERRERO, with species from other parts of the world, using HIDALGO, JALISCO, MEXICO, MICHOACAN, MORE- specimens deposited in CMNHN and CZULE. LOS, QUERETARO, ZACATECAS. Ageratum sp., A. Three species are missing from the keys by corymbosum; Ambrosia sp., A. artemisifolia; Bac- Robinson (1985, 1986), because their presence in charis sp.; Bidens sp., B. pilosa; Chrysanthemum North America was detected after 1986: U. sol- µmaximum; *Erigeron sp.; Eupatorium sp., E. idaginis (Fabricius, 1779), U. floricola Robinson, aschenbornianus, E. morfolina; Gnaphalium sp., G. 1988 and U. stoetzelae Robinson, 1988. U. sol- brachypterum, G. inornatum; Helianthus sp., H. an- idaginis is an introduced European species; in the nuus; Lactuca sativa; Melampodium perfoliatum; corresponding key (1985), it would be placed with Parthenium sp., P. bipinnatifi ; Senecio sp., S. U. simile, from which it is differentiated in that heracleifolius, S. salignus; *Simsia sp., S. amplexi- the primary rhinarium of the antennal segment V caulis; Sonchus oleraceus; Tithonia tubaeformis; 624 Florida Entomologist 94(3) September 2011 Verbesina sp., V. virgata; Xanthium sp.; Zinnia mul- Recorded in Europe
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