FAMILIA DIOSCOREACEAE Authors: Sosa, Victoria; Instituto de Ecología, A.C., Biología Evolutiva, Xalapa, Veracruz., Valdivieso, Ismael G.; Instituto de Ecología, A.C., Biología Evolutiva, Xalapa, Veracruz.

“…800), llegando a los trópicos y subtrópicos de América. Para México se han registrado un poco más de 100. Para el Bajio y regiones adyacentes se reconocen 12 especies de Dioscorea. …”

A new coleopteroid genus of Lethaeini (Hemiptera: Heteroptera: Lygaeoidea: Rhyparochromidae) Authors: Luis Manuel Cervantes Peredo

“…This species was found in an area of pine forest on the coast of the state of Jalisco, Mexico, which is known for the great number of endemic species of Heteroptera and some other groups of insects and plants, so it should be considered for conservation purposes.…”

Rubus macvaughianus sp. n. (Rosaceae), una frambuesa silvestre de posible interés hortícola Authors: Jerzy Rzedowski Rotter, GRACIELA CALDERON DIAZ BARRIGA

Nota sobre la estructura del estrato arbóreo del bosque mesófilo de montaña en los alrededores del campamento "El Triunfo", Chiapas Authors: María Guadalupe Williams Linera

A NEW COMBINATION AND A NEW NAME IN MEXICAN EUPHORBIACEAE Authors: VICTOR WERNER STEINMANN

New species, new combinations and new records of Veligaster (Sclerodermataceae) Authors: GASTON GUZMAN HUERTA, Fidel Tapia Padilla

“…In addition, V. mexicanus and V. singaporensis are described as new species from Mexico and Singapore, respectively. The new combinations V. nitidum (Berk) Guzmán & Tapia (a pantropical species), and V. pseudostipitanun (Petch) Guzmán & Tapia (known only from Sri Lanka), are proposed. …”

Duration and frecuency of chorus howling of the mexican wolf (Canis lupus baileyi) Authors: Servín, Jorge

“…I report the Mexican wolf chorus howling frequency through the year, from a pack with five adults (three males and two females) in captivity in "La Michilía" Biosphere Reserve at the Western Sierra Madre in Durango, Mexico. These is the first quantitative howling data reported for the Mexican wolf. …”

Anfibios y reptiles de Oaxaca. Lista, distribución y conservación. Authors: Casas-Andreu, Gustavo, Méndez De La Cruz, Fausto R., Camarillo, José Luis

Historia natural, alimentación y reproducción de la ardilla terrestre (Spermophilus mexicanus) en una pradera intermontana Authors: Valdez, Manuel, Caballos, Gerardo

“…En este trabajo presentamos información acerca de algunos aspectos de la historia natural, alimentación y reproducción de la ardilla terrestre (Spermophilus mexicana en el centro de México. Esta especie forma agregaciones en praderas intermontanas de tormentilla (Potentilla candicans), en donde construye madrigueras subterráneas formadas por galerías sinuosas y nidos. la composición de su dieta varía estacional- mente y se basa en plantas anuales (61%) e insectos (39%). …”

TOXICIDAD DE ACEITES, ESENCIAS Y EXTRACTOS VEGETALES EN LARVAS DE MOSQUITO CULEX QUINQUEFASCIATUS SAY (DIPTERA: CULICIDAE) Authors: Pérez-Pacheco, Rafael, Rodríguez Hernández, Cesáreo, Lara-Reyna, Joel, Montes Belmont, Roberto, Ramírez Valverde, Gustavo

“…Fifty-one species of plants from the state of Oaxaca, Mexico, were evaluated for toxicity: 39 as water extracts at 5 and 15% and 21 at 25% and three species as acetone extracts in five doses (0.1, 0.01, 0.001, 0.0001 and 0.00001%). …”

Evaluación estacional de la reproducción de esteroides sexuales en testiculos del ratón de orejas oscuras (Peromyscus melanotis Allen & Chapman, 1897) de diferentes clases de edad... Authors: Salame-Méndez, Arturo, Castro-Campillo, Alondra, Salgado-Ugarte, Isaías, Mendieta-Márquez, Enrique, Herrera-Muñoz, Joaquín, Ramírez-Pulido, José

“…The spatial analysis of the Papilionoidea showed that the highest richness and abundance occurred in the locality of Santa Catarina, México State. In spite of the similarities of the specific richness between occidental and oriental slopes, their faunistic composition were different. …”

Comparison of the efficiency and ethical implications of pitfall and Tomahawk traps on Virginia opposums (Didelphis virginiana) Authors: Glebskiy, Yury, Cano-Santana, Zenón

Nuevos registros de Scolytinae (Coleoptera: Curculionidae) en bosques templados de Durango Authors: Fernández-García, Jorge Alberto, Marrufo-Madrid, Raúl, Equihua-Martínez, Armando, Estrada-Venegas, Edith Guadalupe, Segura-León, Obdulia Lourdes

“…On the other hand, the highest abundance was from site six with 119 captures, while Monarthrum tuberculatum was the most abundant species during the study. 13 new state records are reported Corthylus burgosi, C. nudus, Hylocurus femineus, Hylurgops longipennis, Monarthrum ca. scutellare, M. dentigerum, M. huachucae, M. tuberculatum, M. xalapensis, Pityophthorus ca. miniatus, P. cacuminatus, P. infulatus, P. virilis, P. granulatus, and one for Mexico Pityophtorus infulatus. The results represent an increase of 12.17% of the known diversity for the state of Durango, compared to the 115 species previously registered, which amounts to a total of 129 species for the state.…”

Cotorra argentina (Myiopsitta monachus), especie anidando con éxito en el sur de la Península de Baja California Authors: Tinajero, Romeo, Rodríguez Estrella, Ricardo

Panbiogeographic analysis of Vexillata (Nematoda: Ornithostrongylidae) and its hosts (Mammalia: Rodentia) Authors: Escalante, Tania, Martínez-Salazar, Elizabeth A., Falcón-Ordaz, Jorge, Linaje, Miguel, Guerrero, Ricardo

“…It proposes the existence of two biogeographical nodes, the first is located between the northern coast of Venezuela and Central America, on the boundaries of northeast Colombia and Panama (Colombia node); and the other in Central Mexico. Those track and nodes overlap with some proposed by other authors. …”

Identification and population fluctuation of the leaf miner Liriomyza trifolii in jalapeño pepper in norther Sinaloa. Authors: Valenzuela-Escoboza, Fernando Alberto, Bautista Martínez, Néstor, Lomeli Flores, José Refugio, Valdez Carrasco, Jorge Manuel, Cortez Mondaca, Edgardo, Palacios Torres, Rogelio Enrique

“…Mexico is one of the main producers of pepper. Near 140,000 ha are sown per year and the production rises to 1’180,000 t. …”

Bloom of Peridinium quinquecorne abé in la Ensenada de la Paz, Gulf of California (july 2003) Authors: Gárate-lzárraga, Ismael, Muñetón-Gómez, María del Socorro

Is Annona lutescens a synonym of A. reticulata (Annonaceae)? Use of geometric morphometric and coloration data to solve this controversy Authors: Ocampo, Gilberto, Castro-Moreno, Marisol

“…Further studies allowed to locate this taxon in Chiapas, Mexico. However, some authors consider it as a synonym of A. reticulata, a species of American origin that is widely cultivated in many parts of the world. …”

A reassessment of Mappia (Icacinaceae) taxonomy using environmental data Authors: Duno de Stefano, Rodrigo, Loera, Israel, Angulo, Diego Francisco

“…Key results: Ecological differentiation between M. multiflora distributed from southeast Mexico to Costa Rica and M. racemosa occurring in Cuba, Jamaica, and Puerto Rico (Greater Antilles) was found, but not between the infraspecific taxa within the Antilles (M. racemosa var. brachycarpa, and M. racemosa var. racemosa). …”

Biocuration and biodiversity: process, successes, failures, solutions and perspectives Authors: Castillo, Maribel, Michán, Layla, Martínez, Armando Luis

“…The National System of Information on Biodiversity (SNIB) from the National Commission for Knowledge and Use of Biodiversity (CONABIO) integrates information of about six million records of biological organisms and observations mainly from zoological collections and herbaria in Mexico. To manage this information CONABIO has established quality control mechanisms of the data that are included in the SNIB, that allows to integrate the information of different sources and make it consistent and interoperable with other information systems. …”