Editorial Special section on ecological restoration of ecosystems Authors: Méndez-Toribio, Moisés, Gómez-Ruíz, Pilar A.

“…The generation of innovative knowledge together with its application is essential for the advancement and progress of restoration interventions and of this scientific discipline in Mexico and Latin America. The expectation is that the discussion around the issues addressed in this special section (and other relevant ones) will allow us to investigate the research areas that should be promoted in the medium and long term in our country.…”

Flora y vegetación acuáticas de localidades selectas del estado de Querétaro Authors: Martínez, Mahinda, García Mendoza, Adriana

“…The aquatic vascular flora and the vegetation of rivers, temporary ponds, dams and ditches of selected localities of the state of Querétaro, Mexico are studied. Several places are heavily infested with water hyacinth (Eichhornia crassipes) and Lemna spp. …”

El Cepario de Hongos del Instituto de Ecología, A.C. Authors: Dulce Salmones, Gerardo Mata

“…La colección de cepas de macromicetos resguarda especies de gran importancia comercial en México como el champiñón (Agaricus bisporus), las setas (Pleurotus spp.) y el shiitake (Lentinula edodes), además de otras especies con gran potencial para su cultivo comercial. …”

Conservación de germoplasma in vitro de "Lirio de todos Santos" Laelia anceps Lindl. subsp. anceps Lindl. f. semialba (Orchidaceae) Authors: MIGUEL CASTAÑEDA ZARATE, Martín Mata-Rosas

NUEVO REGISTRO DE GILLASPYTES JANZENI HOWDEN, 1980 (COLEOPTERA: SCARABAEOIDEA: MELOLONTHIDAE, DYNASTINAE) Authors: García Morales, J., Reyes-Castillo, P.

“…A new distribution locality is given for Gillaspytes janzeni Howden, 1980, in Tamaulipas, Mexico.…”

New Genus, new species and new records of Mexican Lygaeoidea (Hemiptera: Heteroptera) Authors: Harry Brailovsky, Luis Manuel Cervantes Peredo

“…Andercnemodus picachus is described and illustrated as a new genus and species of Myodochini (Lygaeoidea) from Baja California (Mexico). The following Lygaeoidea are recorded from Mexico for the first time: Ochrimnus foederatus (Van Duzee) (Lygaeidae), Thylochromus nitidulus Barber (Drymini), Sphragisticus nebulosus (Fallén) (Megalonotini) and Pseudopamera rubricata (Barber) (Myodochini). …”

Nuevo registro de forcipomyia (Pterobosca) incubans (Macfie) (Diptera: Ceratopogonidae) como parásito de Odonata Authors: Huerta, Herón

“…This is the first record of Forcipomyia (Pterobosca) incubans (Macfie) on Dythemis sterilis Hagen (Libellulidae, Odonata) from Veracruz State, Mexico.…”

FAMILIA URTICACEAE Authors: Steinmann, Victor W.; Instituto de Ecología, A.C., Centro Regional del Bajío, Pátzcuaro, Michoacán.

“…Por lo general viven en sitios húmedos y en México llegan a su mayor diversidad en el bosque mesófilo de montaña. …”

FAMILIA PODOCARPACEAE Authors: Zamudio, Sergio; Instituto de Ecología, A.C., Centro Regional del Bajío, Pátzcuaro, Michoacán.

“…Aunque alcanza su mayor desarrollo en el Hemisferio Sur; se extiende hacia el norte hasta China, Japón, México, Centroamérica y el Caribe. En México sólo está representada por el género Podocarpus. …”

New Genus and three new species of leaf-litter-inhabiting Ozophorini (Hemiptera: Heteroptera: Lygaeoidea: Rhyparochromidae: Rhyparochrominae) Authors: Harry Brailovsky, LUIS MANUEL CERVANTES PEREDO

“…One new genus, Pseudomenotelus from Mexico, is proposed within Lygaeoidea (Ozophorini) based on the new species P. oculatus from the state of Chiapas in Mexico. …”

FAUNA DE COLEOPTERA SCARABAEOIDEA DE CUETZALAN DEL PROGRESO, PUEBLA , MÉX ICO Authors: Carrillo Ruiz, Hortensia, Morón Ríos, Miguel Ángel

“…In this work a comparative analysis of the scarab beetles of Cuetzalan del Progreso, Puebla, México is presented. Data were obtained from March 1998 to March 1999 in tropical rain forest, induced pasture land and secondary vegetation, between 400-1000 m above sea level. …”

Record of an alleged Solitary Eagle in Oaxaca is a Great Black Hawk Authors: Clark, William S., Clinton-Eitniear, Jack, Phillips, Ryan A.

“…The same authors also cite a case of the nesting of the Solitary Eagle in Mexico (Smith, 1982). However, after reviewing photos of the young, we consider that this record is probably the Common Black Hawk (B. anthracinus). …”

Bioclimatic classification of the Mexican Pacific slope and its relationship with potential vegetation Authors: Macías Rodríguez, Miguel Ángel, Peinado Lorca, Manuel, Giménez de Azcárate, Joaquín, Aguirre Martínez, Juan Luis, Delgadillo Rodríguez, José

“…In this study we address the relationship between climate and vegetation in the territory of the Mexican Pacific rim, a strip of 100 km wide that extends from the coast landwards with its north and south limits coinciding with Mexico’s border with the United States of America and Guatemala, respectively. …”

Survival and growth of seedlings of an endemic coastal dune shrub under drought conditions Authors: Martinez, M. Luisa, Moreno-Casasola, Patricia, Rincon, Emmanuel

“…The rain pattern in coastal sand dunes along the Gulf of Mexico is clearly seasonal, and the dry season can last from 3 to 4 months. …”

Importancia de la lignina en las contracciones de la madera: revisión bibliográfica Authors: Bárcenas Pazos, Guadalupe, Dávalos Sotelo, Raymundo

“…Temperate hardwood species, both from México and the United States undergo a greater shrinkage percentage than tropical hardwoods and softwoods from both countries. …”

Seroprevalence to and influence of exposure to bovine reproductive disease causative agents on pregnancy and preweaning calf survival of elk (Artiodactyla: Cervidae) Authors: Bender, Louis C., Rosas-Rosas, Octavio C.

“…Success of recent introductions of elk (Cervus elaphus Linnaeus, 1758) in Mexico partly depends upon elk livestock interactions and conflicts. …”

Cebos feromonales para la captura de Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae) en cultivos de maíz adyacentes a cultivos de fresas Authors: Cruz-Esteban, Samuel, Hernández-Ledesma, Patricia, Malo, Edi A., Rojas, Julio C.

“…Smith) (Lepidoptera: Noctuidae), is one of the main pests of maize and sorghum, in addition this insect begins to be a threat for strawberry crops in Michoacán, Mexico. Thus, it would be worth to have a monitoring system to detect early infestations of S. frugiperda and implement their control in time. …”

Cypringlea (Cyperaceae) revisited, a new combination and status Authors: Reznicek, Anton A., González Elizondo, M. Socorro

REGISTRO DE LA ASOCIACION DEPREDADORA DE ZAGLOBA BEAUMONTI CASEY (COLEOPTERA: COCCINELLIDAE) CON UNASPIS CITRI (COMSTOCK) (HOMOPTERA: DIASPIDIDAE) Authors: Coronado Blanco, Juana María, Ruíz Cancino, Enrique, Marín Jarillo, Antonio

“…Besides, Z. beaumonti is a new record for México.…”

A new species of Beaucarnea (Nolinaceae) Authors: Hernandez Sandoval, Luis

“…Beaucarnea hiriartiae sp. n. is described from the state of Guerrero, Mexico. This new species is similar to B. stricta Lemaire from the neighbor states of Puebla and Veracruz.…”