Density of Mexican woods by vegetation type based on J. Rzedowski’s classification: compilation Authors: Ordóñez Díaz, José Antonio Benjamín, Galicia Naranjo, Adolfo, Venegas Mancera, Nuria Julieta, Hernández Tejeda, Tomás, Ordóñez Díaz, María de Jesús, Dávalos-Sotelo, Raymundo

“…We conducted a literature review of the basic density of diverse species focused on timber species in Mexico by vegetation cover type. Ecosystems and species included are based on the classification of the vegetation of Mexico prepared by J. …”

Characterization and arrangement of forests of pinyon pine (Pinus cembroides subsp. orizabensis) from the Eastern Mexican Basin (Puebla, Tlaxcala and Veracruz) Authors: Granados Victorino, Ro Linx, Granados Sánchez, Diódoro, Sánchez-González, Arturo

“…Pinus cembroides subsp. orizabensis is the pinyon pine with the more southern distribution in America; most of its populations develop into the limits of the “Cuenca Oriental”, the only cold semiarid area in Mexico, and they are distributed in at least five isolated localities. …”

Avifauna de los bosques de cactáceas columnares del Valle de Tehuacan, Puebla Authors: Del Coro Arizmendi, María, Espinosa De Los Monteros, Alejandro

“…We present a list of the avifauna of the columnar cacti forests of central México in the Tehuacán Valley. We found 90 species grouped into 13 orders and 27 families. …”

FILOGENIA Y BIOGEOGRAFÍA DE CUBADRILUS (OLIGOCHAETA: OCTOCHAETIDAE), UN GÉNERO NUEVO DE LOMBRIZ DE TIERRA DE CUBA Authors: Rodríguez Aragonés, Carlos, Fragoso, Carlos

Revisión de Simulium (Psilopelmia) Enderlein en la región Neotropical y analisis cladistico de sus especies (Diptera: Simuliidae) Authors: Coscaron, Sixto, Ibáñez-Bernal, Sergio, Coscaron Arias, Cecilia L.

“…Endemism among amphibians and reptiles of the State is remakable, becsause is the higher than in any other region of Mexico. Comprising 93 species (26% of the Oaxaca´s Herpotofauna), 44 of amphibians and 47 of reptiles. …”

Natural regeneration of tree species in a medium subperennifolia forest disturbed by forest extraction Authors: Macario Mendoza, Pedro Antonio, Garcia Moya, Edmundo, Aguirre Rivera, Juan Rogelio, Hernández Xolocotzi, Efraím

“…Natural regeneration of eight species of trees in three different types of gaps caused by selective logging of mahogany in a rainforest of Quintana Roo, Mexico, was studied. Point centered quarter method was applied randomly in each of the 10 replications per site. …”

Codium picturatum sp. nov. (Chlorophyta), una especie extraordinaria del Pacífico tropical mexicano Authors: Pedroche, Francisco F., Silva, Paul C.

“…A very thin crustose Codium, occurring in the southern part of the Gulf of California and along the tropical Pacific coast of Mexico southward to Panama, Colombia, and the Galapagos Islands, is described as a new species, C. picturatum F.F. …”

Efecto de la concentración de glifosato presente en cuerpos de agua cercanos a campos de soya transgénica sobre la abeja Apis mellifera y la abeja sin aguijón Tetragonisca angustul... Authors: Ruiz-Toledo, Jovani, Sánchez-Guillén, Daniel

“…We evaluated the toxicity of field concentrations of glyphosate on the mortality of two bee species occurring in the Soconusco Region, Chiapas, Mexico. We did not find any significant difference in the mortality between exposed and control groups…”

Primer caso de nidificación de un geotrupino (Scarabaeoidea: Geotrupidae) en cuevas: un fenómeno excepcional Authors: Halffter, Gonzalo, Deloya, Cuauhtémoc

“…The Tasalolpan cave in the state of Puebla, Mexico is the only cave in the world where three species of Scarabaeoidea are found together: a geotrupine, a scarabaeine and an aphodine. …”

Registro del enrollador de las hojas, Amorbia cuneana (Walsingham) (Lepidoptera: Tortricidae), en zarzamora en Rancho Huatarillo, Peribán, Michoacán Authors: Juárez-Gutiérrez, Ana Celestina, Martínez, Ana Mabel, Figueroa, José Isaac, Rebollar-Alviter, Ángel, Aguilera-Peña, María Martha, Pineda, Samuel

“…The leafroller, Amorbia cuneana (Walsingham) (Lepidoptera: Tortricidae), is recorded for the first time in blackberry (Rubus sp. cultivar Tupi) in Rancho Huatarillo, Municipality of Peribán, in the state of Michoacán, Mexico. It is important to assess the damage that this insect may cause to the plants, in order to avoid the possibility that it reach the pest status in the later crop.…”

A new variety of Cyrtocarpa edulis (Anacardiaceae) Authors: León de la Luz, José Luis, Pérez Navarro, José Juan

Five additions to the genus Acourtia (Asteraceae: Mutisieae) Authors: Cabrera R., Leticia

“…All the new taxa are endemic to Mexico. The new species are described and their morphological affinities to other species of the genus discussed.…”

Identidad de Physalis coztomatl Moc. & Sessé ex Dunal como el coztómatl de Francisco Hernández Authors: Martinez, Mahinda

“…& Sessé ex Dunal is the same species as P. stapelioides (Regel) Bitter, over which it has priority and has to be used for the common shrub of the forests in Mexico. The name of the species comes from the work of Francisco Hernández, and the description is based on a drawing of the Icones Pictorum of Sessé & Mociño.…”

Taxonomic review of the genus Tetranema (Scrophulariaceae) Authors: Mendez-Larios, Isidro, Villaseñor, Jose Luis

“…A taxonomic revision of Tetranema (Scrophulariaceae), a genus of four species distributed in eastern and southeastern Mexico, Guatemala and Honduras, is presented. A cladistic analysis, based on morphological characters, explores phylogenetic relationships among species. …”

Clasificación de los géneros de gramíneas (Poaceae) mexicanas Authors: Valdes Reyna, Jesus, Davila A., Patricia D.

“…The grass family (Poaceae) is extremely well represented in Mexico, with six subfamilies, 26 tribes, 30 subtribes, 206 genera, and slightly more than 1,000 species. …”

Dos nuevas especies de Commelina (Commelinaceae) mexicanas Authors: Lopez-Ferrari, Ana Rosa, Espejo Serna, Adolfo, Ceja Romero, Jacqueline

“…The former is known only from Las Adjuntas, municipio of Pueblo Nuevo in the state of Durango and the other was collected in the neighborhood of Tenería, municipio of Tejupilco in the state of México.…”

FAMILIA MALVACEAE Authors: Fryxell, Paul A. ; U. S. Department of Agriculture, Agricultural Research Service en cooperación con Texas A&M University College Station, Texas

“…En México se encuentran 55 géneros, de los cuales 28 pertenecen a la región de esta Flora.A esta familia pertenecen varias plantas cultivadas como Gossypium hirsutum L. …”

FAMILIA PTEROSTEMONACEAE Authors: Pérez-Calix, Emmanuel ; Instituto de Ecología, A.C., Centro Regional del Bajío, Pátzcuaro, Michoacán.

“…Familia que comprende un solo género que se distribuye en el centro y sur de México; habita principalmente en zonas áridas y semiáridas. …”

FAMILIA LYTHRACEAE Authors: Graham, Shirley A. ; Department of Biological Sciences Kent State University

“…Algunas especies de Cuphea nativas de México también se han vuelto populares como plantas de jardines y hogares, en particular la fruticosa C. hyssopifolia (“romerito”) de flores moradas, nativa del este de México y de Centroamérica, así como C. ignea de flores rojas con ápices negros, originaria de Oaxaca y Chiapas. …”

FAMILIA PIPERACEAE Authors: Samain, Marie-Stéphanie; Instituto de Ecología, A.C., Centro Regional del Bajío, Tebbs, Margaret Cecilia; Royal Botanic Gardens

“…En México la familia solo está representada por Piperoideae, con Piper y Peperomia, los dos se registran en la zona de estudio. …”