[TABD] Fwd: Global climate change is good for butterflies

[James Mallet]

!Este parece interesante a mariposologos de los neotropicos!  Jim

Publicacion en la red:
http://people.su.se/~cpena/publications.html

>Date: Wed, 26 Mar 2008 21:35:33 +0100
>From: Carlos Pena <carlos.pena at zoologi.su.se>
>To: undisclosed-recipients:;
>Subject: Global climate change is good for butterflies
>
>Dear friends,
>
>Just to say that our last paper just came out online in Biology Letters:
>
>Pena, C., & N. Wahlberg. 2008. Prehistorical 
>climate change increased diversification of a 
>group of butterflies. Biology Letters. DOI: 10.1098/rsbl.2008.0062
>
> From the abstract:
>
>Satyrinae butterflies (Lepidoptera: Nymphalidae) 
>and grasses (Poaceae) are very diverse and
>distributed worldwide. Most Satyrinae use 
>grasses as host plants, but the temporal scale of
>this tight association is not known. Here, we 
>present a phylogenetic study of Satyrinae
>butterflies and related groups, based on 5.1 
>kilobases from six gene regions and 238 morphological
>characters for all major lineages in the 
>"satyrine clade". Estimates of divergence times calibrated
>using a fossil from the Late Oligocene indicate 
>that the species-rich tribe Satyrini diversified to
>its current 2200 species simultaneously with the 
>expansion and radiation of grasses during the
>dramatic cooling and drying up of the Earth in 
>the Oligocene. We suggest that the adaptive
>radiation of grass feeders in Satyrini has been 
>facilitated by the ubiquitousness of grasses since
>25 Myr ago, which was triggered by a change in global climate.
>
>
>Please find as attachment two PDF files:
>-PenaWahlberg2008.pdf  (4 pages)
>-supp_mat_Pena_Wahlberg_2008.pdf  (Electronic 
>Supp. Material, 29 pages for those with insomnia)
>
>
>
>best regards,
>
>
>carlos
>
>
>
>--
>
>Carlos Pena
>Department of Zoology
>Stockholm University
>S-106 91 Stockholm
>SWEDEN
>- E-mail: carlos.pena at zoologi.su.se
>- Phone: +46  8  16 4058
>- Cell:  +46 739 712 854
>          +51  1  947 323 60
>* The Nymphalidae Systematics Group
>http://nymphalidae.utu.fi/db.php
>
>
>

James Mallet
http://www.ucl.ac.uk/taxome/jim/