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Author Archives: David Maddison
Truth versus firehoses of falsehoods
As a result of one of my more traumatic experiences as a graduate student, I became familiar with Knoll’s Law of Media Accuracy, “Everything you read in the newspaper is absolutely true, except for that rare story of which you … Continue reading
Prior and Current Ignorance: Struggles with Bayesian analyses
Many years ago I dressed up for Halloween with a piece of paper taped to my rear with “Pr” on it, in one hand holding a small crowbar, and in the other an engagement ring in a small box (see … Continue reading
Posted in Phylogenetics
1 Comment
Who are those people?
In 2019, I went to Vancouver, Canada, to spend some time with family. While there, I went into a funky little store called Urban Source. It’s a great place that has all sorts of odds and ends that might be … Continue reading
Posted in fun stuff, Musings
4 Comments
Pointing and Pinning Block v6
I’ve finally revised the 3D design of pointing and pinning block mentioned in my previous post. This new version of the block has the standard holes of a pinning block (in the center of each level) as well as holes … Continue reading
Posted in Miscellany, Morphological Techniques
Tagged entomology, insect collection, specimen preparation, taxonomy
2 Comments
Permanent male genitalic mini-preps
For many insects, examination of the genital structures is vital to understand species diversity. The genitalia of each species are often distinct, and species can be easier to distinguish using genitalia than other morphological traits. In carabid beetles, male genitalia … Continue reading
Posted in Morphological Techniques, Revising Bembidiina
1 Comment
Development of the Dicaelus purpuratus drawing
In 2006, for George Ball’s 80th birthday, I presented him with a drawing of Dicaelus purpuratus. This was the species that captivated his attention and eventually led to his doing a PhD on the carabid beetle tribe Licinini, of which … Continue reading
Ten years later: the Lionepha paper is out
In September of 2009, I arrived in Oregon, excited to begin my new position at Oregon State University. I was also excited to live near Marys Peak, as the top of Marys Peak was the locality of capture of the … Continue reading
Posted in Academia, Fieldwork, Revising Bembidiina, Taxonomic Process
Tagged Lionepha, revisions
1 Comment
The Tree of Life Web Project: 25 years online
On 16 November 1994, we first made public the prototype version of the Tree of Life Web Project. At that time, it was a series of static web pages, with trees made out of text characters, created by a special … Continue reading
Posted in Tree of Life
1 Comment
In Memory of George
As the ship rolls gently upon the waves, I look east toward the Tasman Sea, The relentless surges swallowing time, As they have for millions of years, Through turn after turn of the Milky Way, Beneath and beyond the waves, … Continue reading
Posted in Uncategorized
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George Eugene Ball
25 September 1926 – 12 January 2019 There are those amongst us who, through their words and actions, radiate strength, courage, compassion, and generosity, causing a positive ripple to spread across the communities they touch, increasing the good in the … Continue reading
Posted in Uncategorized
2 Comments