Author Archives: David Maddison

Infer all the branches!!!!!

I’ve already sent this image out into the Twitterverse, but I thought I should record the thought here as well.  Sometimes us phylogeneticists are rather obsessed about having a complete phylogeny. In one moment when I was dreaming of having all Bembidion … Continue reading

Posted in Tree of Life | Tagged | Leave a comment

Return of the Taxa

Those who might follow my blog may have noticed a rather long lull in my posts.  For this I apologize, but life happens, and my attentions were elsewhere.  I hope to make up for that in the coming months.  In the meantime, … Continue reading

Posted in Fieldwork, Revising Bembidiina, Taxonomic Process | Tagged , , , , , , | 4 Comments

A Love of Leptoferonia

For many years I had wondered who Hilary A. Hacker was.  In the carabidological literature she appeared on the scene in 1968 with the publication of one of the best revisions of a carabid group that had been done to date, and then … Continue reading

Posted in Fieldwork, Taxonomic Process | Tagged , , , , | 8 Comments

Mesquite version 3.0 and Zephyr 1.0 released

Wayne and I have been working hard over the last few weeks to release Mesquite version 3.0, and today we released it! The main changes in this version of Mesquite are architectural, both in how the user interface is organized, … Continue reading

Posted in Software Development | 3 Comments

42 years between golden buprestids

In the summer of 1972, I was doing what I did every summer around then, which was to spend a few glorious weeks at a cottage my family rented around Lake of Bays, in the Muskoka district of Ontario. At … Continue reading

Posted in Fieldwork | 2 Comments

Map of unrecognized species in Bembidiina

Here’s an addendum to the post about Unrecognized species in Bembidiina.  The map below shows the known distribution of most (but not all) of the unrecognized taxa of Bembidiina in America north of Mexico.  Notably absent are some of the … Continue reading

Posted in Revising Bembidiina | 9 Comments

Unrecognized species of Bembidiina in the USA and Canada

I’ve been mentioning in this blog several unrecognized species which we have been finding in the fauna of Bembidiina in America north of México. By “unrecognized” I mean both undescribed species (those without a name), and species that have already … Continue reading

Posted in Revising Bembidiina, Taxonomic Process | 1 Comment