Category Archives: Fieldwork

The Group Photo

Posted on 27 November 2013 by David Maddison

One of the required products of a weekend field trip is a group photo. On our Big Loop Trip this summer, we joined up with the Essig Museum group for one weekend in the southern Sierras, and had a very … Continue reading →

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Lindrochthus at Mount Tamalpais

Posted on 22 October 2013 by David Maddison

In an earlier post, I wrote about how the distinctive subgenus Lindrochthus, viewed in the literature as consisting of the single species Bembidion wickhami, was actually at least two species.  And those two species live together at Mount Tamalpais, just … Continue reading →

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

Shutting down Lionepha lummi

Posted on 11 October 2013 by David Maddison

I am quite sure that this is the habitat of Lionepha lummi.  The picture below shows American Camp, on San Juan Island, not far from Friday Harbor, in Washington state.  And I think tomorrow would be a perfect day to … Continue reading →

Posted in Fieldwork, Revising Bembidiina | Tagged , | 2 Comments

Rainy-season beetles

Posted on 30 September 2013 by David Maddison

The rains have returned to the Pacific Northwest.  During the last few days a rain-drop symphony has been playing in my house in the woods, and the douglas fir and oaks are weeping in thanks for fall’s arrival after a … Continue reading →

Posted in Fieldwork, Revising Bembidiina | Tagged , , | 1 Comment

Who should be listed on collecting labels?

Posted on 23 September 2013 by David Maddison

One of the questions that all collectors face is “what should I put on the label?”  From a time in which the only label on a specimen might be a gold dot, or simply “Canada”, we are now at a … Continue reading →

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A surprise in Lionepha

Posted on 18 September 2013 by David Maddison

In the late spring I was in the final stages of a manuscript about the genus Lionepha.  This paper will describe the new species I have mentioned earlier, describe the male of Lionepha chintimini for the first time, document DNA … Continue reading →

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

Bountiful Bembidion

Posted on 6 September 2013 by David Maddison

Bembidion can be quite abundant on the shores of bodies of water, such as along the Willamette River near Corvallis, Oregon: Below are two videos showing me turning over some rocks on shore shown above.  There are four species that … Continue reading →

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“Local” carrots

Posted on 22 August 2013 by David Maddison

Here is a bag of carrots.  They were grown at a farm just outside of Corvallis, Oregon.  I bought them at the Farmers’ Market here in Corvallis.  I ate them in Corvallis. And while I should feel pleased to have … Continue reading →

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A new lineage of Bembidion?

Posted on 1 July 2013 by David Maddison

On my recent field trip around the west, something occurred that has never happened to me before in North America:  I knew, in the field, that I had found a previously undiscovered species.  This has happened to me in South … Continue reading →

Posted in Fieldwork, Revising Bembidiina, Taxonomic Process | Tagged , , , , | 9 Comments

BLT

Posted on 1 July 2013 by David Maddison

Our recent field work around the western USA, dubbed “The Big Loop Trip”, covered about 6165 miles (9922 kilometers) and almost one month.  My graduate student John Sproul was with me for the entire trip; my former postdoc (now UC … Continue reading →

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