Category Archives: Revising Bembidiina

There and back again

We made it back to Corvallis a few hours ago, after having logged 6165 miles (9922 km) on the road trip.   Herbert (“El Tigre”) was very glad to arrive in Corvallis, as he noted that it is much moister … Continue reading

Posted in Fieldwork, Revising Bembidiina | Leave a comment

On the Road

I’m now in Moab, Utah, on day 16 of a long field trip. On 26 May my graduate student John and I drove south from Corvallis, Oregon, collecting our way down to Concord, California, where we met up with my … Continue reading

Posted in Fieldwork, Revising Bembidiina | 5 Comments

Off into the wilds!

Kip Will, John Sproul, and I are about to embark on a 3-week trip from the Bay Area to New Mexico, Colorado, Utah, and Nevada.  If you want to see pictures of the trip, check out my Instagram feed (@bembidion). … Continue reading

Posted in Fieldwork, Revising Bembidiina | Leave a comment

The Bembidion ulkei mystery: solved

In an earlier post, I discussed the mystery of Bembidion ulkei.  Here’s a quick summary:  according to Lindroth’s (1963) study, Bembidion obscuripenne is a widespread species in the west,  from California north to Washington. In contrast, Lindroth knew B. ulkei only … Continue reading

Posted in Revising Bembidiina, Taxonomic Process | Tagged , , | Leave a comment

What should I name this beetle?

Along some creek and pond shores in the Sierra Nevada of California there lives a pretty, spotted Bembidion, and this Bembidion has no name.  It belongs to the subgenus Liocosmius, a group of Bembidion that range from BC to Baja … Continue reading

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

Names approved!

In two earlier posts, I wrote about the dangers of naming species after the name of the first peoples of an area, as well as the concerns about using a word from a native language. In the first of those … Continue reading

Posted in Revising Bembidiina, Taxonomic Process | Tagged , , | Leave a comment

How to collect beetles for DNA studies

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

More hidden species in Bembidion: a multiplicity of “Bembidion kuprianovi”

In Lindroth’s magnificent 1963 treatment of Bembidion of Canada and Alaska (and the northern contiguous States), he notes the extent of structural variation within species. Some species he notes to be relatively uniform, others more variable. As I delve into … Continue reading

Posted in Revising Bembidiina, Taxonomic Process | Tagged , , | Leave a comment

Four?

In western North America small, dark Bembidion (Plataphus) are common on gravel river shores.  Most of these are called Bembidion curtulatum.   They are the smallest members of subgenus Plataphus (sensu Lindroth) in North America, at about 3.5 mm long. As … Continue reading

Posted in Revising Bembidiina, Taxonomic Process | Tagged , , | 1 Comment

Photography of beetle microsculpture

Here’s the setup I use to photograph microsculpture of beetles.  I also use the same setup to photograph whole beetles, or other parts, including genitalia, although there is some variation in lighting, position, etc., depending upon the part.  In some … Continue reading

Posted in Revising Bembidiina, Scientific Illustrations, Taxonomic Process | Tagged | 1 Comment