Brian J. Smith

3 Questions 7 Answers 0 Followers

Questions related from Brian J. Smith

Has anybody used multiple Hester-Dendy artificial substrates attached to a pole to measure aquatic insect colonisation in deep rivers?

Looking to sample net spinning caddisflies in deep water but also want to look at colonisation at different depths. I am thinking of using a pole eg 5 m with multiple Hester-Dendy attached along...

20 February 2018 9,142 2 View

What family does this Diptera belong to?

Is anybody able to identify this Diptera for me? A couple of specimens were collected from an emergence trap in a New Zealand river (Tukituki River). I presume they are aquatic: I know they are...

22 May 2015 8,647 6 View

Does anyone know about Lymnaea columella or Pseudosuccinea columella?

Hi there, can somebody in the freshwater mollusc-world clarify the correct nomenclature for Lymnaea columella or Pseudosuccinea columella? I see a bit of conflicting literature,so what is the...

16 May 2015 8,862 3 View