Tag Archives: DNA

Happiness is a Big Tree on the Wall

Posted on 4 December 2016 by David Maddison

  In the hallway outside my lab, about 800 species of Bembidiina, together in one tree.  🙂

Posted in Tree of Life | Tagged , , , , , , , | 1 Comment

Discovering Insect Species: preparing beetle DNA

Posted on 29 April 2015 by David Maddison

Over the last couple of weeks in our Discovering Insect Species course we have been processing samples from our Klamath Marsh trip, and worked with the DNA of the beetles.  Here’s a bit of what we have done. Extracting the … Continue reading →

Posted in Revising Bembidiina, Uncategorized, Z499 (Discovering Insect Species) | Tagged , , , | 2 Comments

Dreaming of Saint Helena

Posted on 7 December 2013 by David Maddison

Saint Helena is a small island in the Atlantic Ocean that is a very long way from any continent. It is approximately 1850 km from Africa, and about 3290 km from South America.  It is only 16 km by 8 … Continue reading →

Posted in Tree of Life | Tagged , , , , | 7 Comments

And then there were five…

Posted on 13 September 2013 by David Maddison

Earlier this week I spent three lovely days in the Bay Area with Dave Kavanaugh, and on Monday we went to collecting on the slopes of Mount Tamalpais.  There, along Cataract Creek, we found a series of small “Bembidion curtulatum” … Continue reading →

Posted in Revising Bembidiina, Taxonomic Process | Tagged , , , | 3 Comments

How to collect beetles for DNA studies

Posted on 12 April 2013 by David Maddison

Preserving beetles for DNA studies is easy, but a few rules need to be followed. You will first need to decide which specimens to preserve. It is ideal to have two or more specimens of a species preserved, so that … Continue reading →

Posted in Revising Bembidiina, Taxonomic Process | Tagged | 7 Comments