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BioImages: The Virtual Field-Guide (UK)
Macan, T.T., 1973
A Key to the Adults of British Trichoptera
A short introduction followed by dichotomous keys to the adults. Many of the genera are distinguished by details of wing venation which can be difficult to see (especially the hindwing). The species usually rely on external genitalia which must be carefully oriented to match the illustrations. This is not helped by confusing labelling of the figures and related species often being illustrated from different angles!
| Publisher |
Freshwater Biological Association (FBA) |
| Volume |
28 |
| Pages |
151 |
| ISBN |
900386 19 3 |
| Comments and Corrigenda |
Macan is perhaps too dismissive of identification of dried specimens. The genitalia do distort, but can usually still be interpreted.
The treatment of Hydropsyche is not reliable.
Ian Wallace has written a paper listing the problems (errata, new species, splits etc) likely to be encountered using this work. |
| Coverage |
All the British species known at the time. |
| Illustrations |
Line drawings in text (including male and female genitalia of most spp) and 4 black and white plates of wings at the back. |
| Identify |
Under a Stereo Microscope (also useful to examine under a Compound Microscope). |
| Specimen Prep. |
Pinned (pull legs away from body so can see tibial spurs, open wings on one side so can see veination) or in spirit. |
| Difficulty |
Some quite difficult. |
Malcolm Storey
Taxonomic Scope
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