Category Archives: Morphological Techniques

Pointing and Pinning Block v6

Posted on 21 September 2021 by David Maddison

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 , , , | 2 Comments

Permanent male genitalic mini-preps

Posted on 3 February 2021 by David Maddison

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

Mirror, mirror, …

Posted on 28 August 2013 by David Maddison

… but not on the wall. This image hurts my brain.  A lot. I suspect that other folks who study Bembidion have sore brains as they look at this, too. Why?

Posted in Morphological Techniques, Revising Bembidiina | Tagged , | 8 Comments

3D printing and custom tools in entomology

Posted on 20 August 2013 by David Maddison

I am excited about 3D printing. Here’s why: That’s a pinning block, an aid to pinning insects.  It’s a custom-designed one, however, not the standard sort you can buy at an entomology supply company.  This one is specifically built for … Continue reading →

Posted in Miscellany, Morphological Techniques | Tagged | 1 Comment