Diamesa bertrami-, 1835

Chamutiová, Tímea, Hamerlík, Ladislav & Bitušík, Peter, 2020, Subfossil chironomids (Diptera, Chironomidae) of lakes in the Tatra Mountains an illustrated guide, Zootaxa 4819 (2), pp. 216-264 : 221

publication ID	https://doi.org/10.11646/zootaxa.4819.2.2
publication LSID	lsid:zoobank.org:pub:2459A542-6CF2-4545-9E6F-262C68838D99
DOI	https://doi.org/10.5281/zenodo.4441154
persistent identifier	https://treatment.plazi.org/id/03F487F1-FFB8-FFA1-FF22-FB08AB02FA4B
treatment provided by	Plazi (2020-12-29 00:20:21, last updated 2024-11-25 23:27:53)
scientific name	Diamesa bertrami-
status

Treatment

Diamesa bertrami- View in CoL View at ENA type ( Fig. 9 View FIGURES 9–14 )

Head capsule entirely dark brown. Apex of mentum with five tall, prominent teeth, median tooth single, second is taller than first, and 8 pairs of smaller lateral teeth, last one is minute. Mandible with a distinctive shape: first two inner teeth obviously long, second tooth is longer than first one.

Remarks: The D. bertrami - type described by Brooks et al. (2007) has apex of mentum with 6 teeth, i.e. median tooth is double. Rossaro & Lencioni (2015) report a single median tooth in some specimens of D. bertrami .

References

Brooks, S. J., Langdon, P. G. & Heiri, O. (2007) The Identification and Use of Palaearctic Chironomidae Larvae in Palaeoecology. QRA Technical Guide No. 10. QRA, London, 276 pp.

Rossaro, B. & Lencioni, V. (2015) A key to larvae of Diamesa Meigen, 1835 (Diptera, Chironomidae), well known as adult males and pupae from Alps (Europe). Journal of Entomological and Acarological Research, 47, 123 - 138. https: // doi. org / 10.4081 / jear. 2015.5516

Figures

FIGURES 9–14. Diamesa bertrami-type: 9—head capsule, A—mandible. Diamesa Tatra-type A: 10—head capsule, A—mandible. Diamesa Tatra-type A: 11—mentum (arrow indicates position of seta submenti). Diamesa Tatra-type B: 12—head capsule (arrows indicate mandible and genal setae). Diamesa Tatra-type B: 13—mentum (arrow indicates position of seta submenti). Pseudodiamesa branickii-type: 14—head capsule (arrow indicates antenna).