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Chelicerata: Arachnida) SECCIÓN BOLETÍN: SECCIÓN BOLETÍN: Notas sobre los arácnidos de mi casa (Chelicerata: Arachnida) Luis F. de Armas Apartado Postal 27, San Antonio de los Baños, La Habana 32500, Cuba. [email protected] Resumen: Revista Ibérica de Aracnología Se registran 39 especies de arácnidos que fueron halladas entre los meses de mayo y ISSN: 1576 - 9518. agosto de 2003, en una vivienda y sus correspondientes patio y jardín (200 m2 en total), Dep. Legal: Z-2656-2000. en la ciudad de San Antonio de los Baños, provincia La Habana, Cuba. En total se Vol. 8, 31-XII-2003 detectaron 7 órdenes, 24 familias y 36 géneros. El orden más diverso fue Araneae (16 Sección: Artículos y Notas. familias, 29 géneros y 31 especies), tres de cuyas familias (Salticidae, Araneidae y Pp: 143 – 149 Theridiidae) resultaron las más diversificadas: la primera con cinco especies y cuatro géneros; las otras dos con cuatro especies y tres o cuatro géneros. Once (28,2%) de las especies halladas son sinantrópicas y otras cinco (12,8%) constituyen endemismos Edita: cubanos. Se incluyen datos sobre la historia natural de casi todas las especies Grupo Ibérico de Aracnología observadas, para algunas de las cuales estos son los primeros que se aportan. (GIA) Palabras claves: Arachnida, Acari, Amblypygi, Araneae, Schizomida, Scorpiones, Solifugae, Grupo de trabajo en Aracnología ecología, taxonomía, Cuba. de la Sociedad Entomológica Aragonesa (SEA) Notes on the arachnids found at my home (Chelicerata: Arachnida) Avda. Radio Juventud, 37 50012 Zaragoza (ESPAÑA) Abstract: Tef. 976 324415 Between May and August, 2003 a total of 39 arachnid species were collected in and 2 Fax. 976 535697 around a house (200 m as a whole) located at San Antonio de los Baños, La Habana C-elect.: [email protected] province, Cuba. Those species belong to 7 orders, 24 families and 36 genera. The most Director: A. Melic diverse order was Araneae (16 families, 28 genera, 31 species), within which three families (Salticidae, Araneidae, and Theridiidae) were the most diverse: the first with five species belonging to four genera; each of the other two families with four species Información sobre suscripción, belonging to three or four genera. Eleven (28.2%) of the species were synanthropic, índices, resúmenes de artículos on whereas five (12.8%) species were Cuban endemics. Also, data on the natural history line, normas de publicación, etc. en: of most observed species are given, some of them being the first ones for such species. Key words: Arachnida, Acari, Amblypygi, Araneae, Schizomida, Scorpiones, Solifugae, Indice, resúmenes, abstracts vols. ecology, taxonomy, Cuba. publicados: http://entomologia.rediris.es/sea/ publicaciones/ria/index.htm Página web GIA: Introducción http://entomologia.rediris.es/gia En términos generales, existe un buen nivel de conocimientos sobre la fauna cubana de Página web SEA: arácnidos, aunque ésta ha sido estudiada fundamentalmente desde el punto de vista http://entomologia.rediris.es/sea taxonómico (Armas, 1995). En este contexto, los hábitats cuyas comunidades de arácnidos han recibido mayor atención son las cuevas (Armas et al., 1989, 1990). Respecto a los arácnidos cubanos sinantrópicos y a aquellos que en cierto modo toleran la presencia humana y su cada día más intensa actividad transformadora del medio, la información disponible es muy escasa y está dispersa en innumerables artículos de índole taxonómica. En el presente trabajo se ofrecen las observaciones realizadas por el autor sobre la aracnofauna presente en su propia casa, incluidos el patio y el pequeño jardín, durante la última parte de la primavera y los primeros meses del verano de 2003. Además, se incluye la relación de las especies capturadas con anterioridad y de aquellas que potencialmente pudieran estar presentes, pero que no fueron observadas. 144 Luis F. de Armas Material y métodos Las observaciones fueron realizadas casi diariamente, desde el 1º de mayo hasta el 31 de agosto de 2003. La recolecta de especímenes se realizó únicamente por simple inspección, tanto de día como de noche. Las horas informadas correspon- den al horario de verano. En el caso de los ácaros, el muestreo fue menos intenso, por lo que es de esperar que la cifra de especies sea mucho mayor. El área de estudio está ubicada en la parte noroeste del pueblo de San Antonio de los Baños (22° 53’ 27” N, 82° 30’ 07” W; 75 m snm), provincia La Habana, distante 400 m del río Ariguanabo y del bosque semideciduo que lo bordea en forma de una estrecha franja. Los muestreos se realizaron en la vivienda, con sus correspondientes patio y jardín. La vivienda principal es de mampostería y techo de concreto; termina en una amplia terraza cubierta con tejas acanaladas de fibrocemento. Separa- das de ésta y ocupando parte del patio, se hallan un cuarto de Fig. 1. Tela de la araña Wulfila inmaculatus, construi- desahogo, de madera y techado con tejas acanaladas de da en el envés de una hoja de papayo. Escala: 10,0 fibrocemento; y un pequeño cuarto de mampostería y techo de mm. concreto. El patio de tierra (14 m de largo x 4 m de ancho) posee un limonero (Citrus sp.) de 8 años de edad, un guayabo (Psidium guajaba) de dos años y un cerezo (Malpighia ORDEN ARANEAE. punicifolia) de 18 años; el resto está sembrado con plantas ornamentales y medicinales, entre las que crecen algunas ! Familia Anyphaenidae. Anyphaena? sp. A mediados de gramíneas pequeñas. El jardín posee dos rectángulos de tierra: junio se recolectó un espécimen muy juvenil, en el envés el mayor, de 1,21 m X 3,30 m, está sembrado de brujitas de una hoja de malanga trepadora [Syngonium sp. (Ara- (Zephyranthes spp.) y posee una palma pequeña y dos cactos ceae)], a 0,5 m del suelo. columnares (Harrisia sp. y Leptocereus sp.). El otro rectángu- ! Hibana velox (Beckeer, 1879). Especie de hábitos lo de tierra (1,21 m X 1,80 m) está sembrado de césped nocturnos, ampliamente distribuida en Cuba (Alayón (Zoisia matrella) y posee una palma. En ambos casos, las García, 1994). Durante los cuatro meses del muestreo palmas y los cactus están rodeados en su base por grandes resultó muy frecuente en el follaje del cerezo y de otros piedras. arbustos del patio y el jardín, habiéndose observado El solar contiguo de la derecha está edificado y carece numerosos adultos e inmaduros. El día 2 de mayo una de patio de tierra y de árboles; el de la izquierda es parecido hembra construyó una ooteca en el extremo de una rama a éste, pero posee un guayabo y un árbol de mango (Mangife- del cerezo, a 1,70 m del suelo, la cual cuidó hasta el 17 ra indica), ambos de 35 años de edad. Al fondo linda con un del propio mes. Ese día, la ooteca estaba eclosionada y la patio de tierra sembrado de plátano (Musa sp.) y yerbas araña construyó otro refugio con dos hojas adyacentes a la diversas. ooteca. Esa misma noche, las arañuelas iniciaron la Los datos sobre las arañas del municipio de San dispersión y la hembra se mudó a otra rama no muy Antonio de los Baños fueron tomados de Navarro Díaz & distante. Durante los cuatro meses de muestreo se obser- Alayón García (1997); los de Cuba, proceden de Alayón varon ootecas; una de ellas, eclosionada el 6 de julio, García (1994, 2000). contenía alrededor de 40 arañuelas. El 21 de julio se El ordenamiento en que aparecen los táxones es hallaron un macho adulto y una hembra preadulta que únicamente alfabético. compartían el mismo refugio; evidentemente, el macho El material examinado está depositado en la colección estaba a la espera de la próxima muda de la hembra para aracnológica del Instituto de Ecología y Sistemática (IES), fecundarla. Ciudad de La Habana, excepto algunas arañas que fueron ! Wulfila inmaculatus Banks, 1914. Se distribuye en Cuba depositadas en la colección personal de Giraldo Alayón García e Isla Mona, Puerto Rico; en Cuba únicamente había sido (GAG), San Antonio de los Baños, y los ácaros, que fueron hallada en la Cordillera de Guaniguanico, occidente del depositados en el Laboratorio de Fauna Edáfica (LFE), país (Alayón García, 1994). A finales de junio se detecta- Facultad de Biología, Universidad de La Habana. ron dos especímenes inmaduros: un macho, refugiado en el envés de una hoja de papayo (Carica papaya), a 0,80 m del suelo, y una hembra en el envés de una hoja de Resultados malanga de jardín [Alocasia macrorhiza (Araceae)], a 0,70 m del suelo. El macho (GAG) efectuó la última muda ORDEN AMBLYPYGI. el día 29 de junio y la hembra (GAG), el 5 de julio. En ! Familia Phrynidae. Paraphrynus cubensis Quintero, ambos casos el proceso de muda ocurrió por la noche. 1983. Endemismo del occidente de Cuba, país donde Otra hembra inmadura fue detectada el 20 de julio, en el constituye el único amblipígido sinantrópico (Armas & envés de una hoja de malanga trepadora (Syngonium sp.), Ávila Calvo, 2001). Durante los meses del muestreo a 1,35 m del suelo; efectuó la última muda tres días fueron observados cuatro especímenes, uno en el interior después. Esta especie construye una pequeña tela plana, de la vivienda, dos en el interior del cuarto de desahogo, doble, de 9 a 13 mm de largo y 6 a 8 mm de anchura y otro en una grieta de la pared del patio, al nivel del máxima, abierta en ambos extremos (Fig. 1); en su parte suelo, bajo un amontonamiento de ramas y hojas en anterior la anchura es ligeramente mayor y en general se descomposición. parece mucho a la tela que construyen a veces los inmadu- Arácnidos de mi casa 145 ros de Hibana velox. Estos son los primeros datos que se (com.
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