Scarab’s shrewd cousin, Elytra warty like hide. Must be Trogidae! Photo details: Canon 100mm f2.8 macro lens on a Canon EOS 20D ISO 100, f/16, 1/250 sec, indirect strobe in white box
Archive for December, 2009
Friday Beetle Blogging: Trox Hide Beetle
Posted in arizona, beetles, Nature, tagged coleoptera, haiku, Photography, trogidae on December 4, 2009 | 1 Comment »
The trouble with phylogenetics
Posted in Navel-Gazing, Science, tagged Evolution, phylogenetics, systematics on December 3, 2009 | 6 Comments »
Here’s an issue that’s been on my mind as I’m shuffling trees around from several concurrent phylogenetic projects. The primary output from phylogenetics programs is tree diagrams depicting the relationships among organisms. Very clean, very crisp, very precise diagrams. Precision isn’t in itself a problem, but for the human foible of mistaking precision for accuracy. [...]
Bacteria let ants become herbivores
Posted in Ants, Nature, Science, tagged Ants, bacteria, Evolution, symbioses on December 1, 2009 | 10 Comments »
Why are there so many ants? This is a more perplexing question than it may seem. At first glance ants are predators and scavengers. Yet predators should be few in number, balanced on a narrow trophic peak and depending on high prey biomass to exist. Why are terrestrial ecosystems dominated by these little hunters?








