Araneomorphae in a Quercus forest from Pico de Orizaba Volcano

Dr. Fernando Alvarez Padilla


Welcome

The Pico de Orizaba spider inventory pages include 1,142 images for 99 morphospecies of Araneomorphae spiders and 7 morphospecies of pseudoscorpions. Only six spider families of the 29 collected in this oak forest inventory are presented, the separation and imaging of most specimens still a work in progress.

We collected approximately 60,000 adult spiders from two oak forests separated by 15 kms. Inside each forest two one hectare plots were established visited three times a year from 2012 to 2014. Sampling protocols included six methods divided by hours during day and night. Collecting methods included 'beating', 'cryptic' and pitfall traps; 'looking up' and 'looking down' were combined in 'vegetation' because of the steep slope were the plots were established. In addition leaf litter was processed with 24 Berlese funnels of 45 cm in diameter per plot and 30 pitfall traps left for six active days. For more information about these methods and sampling protocol go to the references at the Inventories Home Page.

Locality data: Mexico, Veracruz, Pico de Orizaba Volcano. Atotonilco de Calcahualco. Plot I: 19° 8' 17.4" N. 97° 12' 16.2" W 2,300 m. Plot II: 19° 8' 30.2" N. 97° 12' 21.5" W 2,388 m. Spring 2012- 2013. Leg. Lab. Aracnologia FC-UNAM.

Send your comments and identifications to this email: fap@ciencias.unam.mx


Acknowledgments

We would like to thank Armando Fuertes from the National Park Volcan Pico de Orizaba for all his support and presenting us to the wonderful people from Atotonilco de Calcahualco; we would like to thank in particular Mr. Isidoro Contreras, Ms. Mercedes Contreras, Mr. Nicolas and Ms. Noemi for all thier help and delicious meals. Thanks to the International collaborators Facundo Labarque, Danielle Polotow and Thiago Silva for their participation in one of the 2012 expeditions. And also thanks to the following students that participated in this inventory: Uriel Garcilazo Cruz, Francisco Andrés Rivera Quiroz, Miguel Hernández Patricio, Francisco Javier Salgueiro Sepulveda, Dulce Flor Pierda Jiménez, Mariana Servín Pastor, Maira Saraí Montejo Cruz, Leonel Perez Miguel and Francisco Emmanuel Méndez Castro.

Funding was provided by UNAM-DGAPA-PAPIIT project IN213612.

Picture captions: Left picture standing: Mr. Francisco, Andrés, Mariana, Fernando, Miguel, Salgueiro. Sitting: Dulce, Mr. Isidoro's daughter, Uriel, Mr. Nicolas daughther, Ms. Mercedes, Mr. Isidoro, Ms. Noemi and Mr. Nicolas with his daughter. Right picture caption: Andrés, Salgueiro, Facundo, Danielle, Uriel, Miguel, Fernando and Thiago.


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