Introducción Autorzy: Luz María del Carmen Huerta Crespo

Moscas y Mosquitos (Dípteros) Autorzy: Sergio Ibáñez-Bernal

Sacred Mushrooms and Man: Diversity and Traditions in the World, with Special Reference to Psilocybe Autorzy: GASTON GUZMAN HUERTA

Localización y características geográficas, políticas y socioeconómicas del Municipio de Jilotepec. Autorzy: Luz María del Carmen Huerta Crespo

Situación actual de la ganadería en Jilotepec, Veracruz Autorzy: Magdalena Cruz-Rosales

Ecological engineering for controlling water pollution in Latin America Autorzy: Maria Elizabeth Hernandez

THREE SPECIES OF FACULTATIVE MYODOCHINI (LYGAEOIDEA: RHYPAROCHROMIDAE: MYODOCHINI) ASSOCIATED WITH FIGS IN MEXICO Autorzy: LUIS MANUEL CERVANTES PEREDO, Sagrario Gámez Virués

Patrones climáticos de ocupación de áreas invernales en aves migratorias: selección de sitios óptimos Autorzy: HEIDI YOHANA PEREZ MORENO

Letaheini (Hemiptera: Lygaeoidea: Rhyparochromidae) associated with figs in Mexico, with the description of a new species of Cistalia Autorzy: LUIS MANUEL CERVANTES PEREDO, Sagrario Gámez Virués

Nurse Plants vs. Nurse Objects: Effects of Woody Plants and Rocky Cavities on the Recruitment of the Pilosocereus leucocephalus Columnar Cactus Autorzy: MIGUEL ANGEL MUNGUIA ROSAS, Vinicio De Jesús Sosa Fernández

First record of the genus Xestocoris (Hemiptera-Heteroptera: Lygaeoidea: Rhyparochromidae: Rhyparochrominae: Lethaeini) from Mexico, with description of three new species Autorzy: LUIS MANUEL CERVANTES PEREDO, Harry Brailovsky

Two new species and distribution records of the genus Acroleucus in Mexico (Hemiptera: Heteroptera: Lygaeidae: Lygaeinae) Autorzy: Harry Brailovsky, LUIS MANUEL CERVANTES PEREDO

The Landscape Approach: Designing New Reserves for Protection of Biological and Cultural Diversity in Latin America Autorzy: Sergio Antonio Guevara Sada, Javier Laborde

A comparative study of Odonata (Insecta) assemblages along an altitudinal gradient in the sierra de Coalcomán Mountains, Michoacán, Mexico Autorzy: Rodolfo Novelo-Gutiérrez, JOSE ANTONIO GOMEZ ANAYA

Different arbuscular mycorrhizal interactions in male and female plants of wild Carica papaya L. Autorzy: MARIA DEL ROCIO VEGA FRUTIS, Roger Guevara Hernández

Tree species diversity driven by environmental and anthropogenic factors in tropical dry forest fragments of central Veracruz, Mexico Autorzy: Guadalupe Williams_Linera, Francisco Lorea-Hernández

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

Identity and delimitation of the American species of Litsea Lam. (Lauraceae): a morphological approach. Autorzy: NELLY DEL CARMEN JIMENEZ PEREZ, Francisco Lorea-Hernández

New species of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae; Macrodactylini) from Mexico Autorzy: ROBERTO ARCE PEREZ, MIGUEL ANGEL MORON RIOS

Two new species of Amnestus from Guatemala, with new records for some other Guatemalan burrower bugs (Hemiptera: Heteroptera: Cydnidae) Autorzy: MARÍA CRISTINA MAYORGA MARTINEZ, LUIS MANUEL CERVANTES PEREDO