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Category Archives: Fieldwork
Discovering Insect Species: Overview in Rearview
When last I blogged, the Discovering Insect Species course was in full swing; we were excitedly waiting for the DNA sequence results from our first big field trip, which was to Klamath Marsh National Wildlife Refuge. I’m sorry I didn’t … Continue reading
The Bembidion acutifrons story
There are a number of subgroups within Bembidion subgenus Trepanedoris whose structure of gene flow and species boundaries are not understood. The morphological data indicates several forms within these subgroups, but whether this variation is indicative of separate species is not yet … Continue reading
Discovering Insect Species: Klamath Marsh!
We had a great trip last weekend to the Klamath Marsh National Wildlife Refuge as part of our Discovering Insect Species course. One of our main goals was to see what species of Trepanedoris lived in the large marshland complexes of southern … Continue reading
The oak tree grows pretty close to where the acorns dropped
Here’s my mom, at age 82, collecting some of what will be the type series of a new species of Bembidion from Jasper National Park in Canada. This was in 2011, during a great trip she and I made around … Continue reading
Posted in Fieldwork, Revising Bembidiina
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Sharing the joy of discovery
Nine undergraduate students, my graduate student John Sproul, and me. Over the next ten weeks we will go into the field, find beetles, look at them under the microscope, do dissections, photograph them, make predictions about species boundaries, extract their DNA, PCR … Continue reading
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 Bembidion, curtulatum, genitalia, Lindrochthus, Mount Tamalpais, Plataphus, wickhami
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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 Carabidae, history, Leptoferonia, Pterostichini, revisions
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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
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The Group Photo
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
Posted in Fieldwork, Musings
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Lindrochthus at Mount Tamalpais
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 Bembidion, genitalia, Lindrochthus, Mount Tamalpais
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David Maddison