Orthocladius (Euorthocladius)

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 : 241

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.4442649
persistent identifier	https://treatment.plazi.org/id/03F487F1-FFA4-FFBD-FF22-FBD1AFC1FA87
treatment provided by	Plazi (2020-12-29 00:20:21, last updated 2024-11-25 23:27:53)
scientific name	Orthocladius (Euorthocladius)
status

Treatment

Orthocladius (Euorthocladius) View in CoL ( Fig. 57 View FIGURES 54–59 )

This is a new morphotype, not listed in Brooks et al. (2007).

Head capsule dark brown with black occipital margin. Mentum triangular in shape with weak striation and light brown teeth. Median tooth and first lateral teeth rounded, first lateral narrower at the base. Ventromental plates characteristic: darkly pigmented, extended well below seta submenti, angling inwards apically, with an obvious bulb at the base. Setae submenti positioned below the base of ventromental plates. Mandible with first inner tooth large, outer margin smooth.

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.

Figures

FIGURES 54–59. Metriocnemus fuscipes-type: 54—head capsule. Orthocladius (Orthocladius) dentifer-type: 55—head capsule. Orthocladius (Mesorthocladius) frigidus: 56—head capsule (arrow indicates seta submenti). Orthocladius (Euorthocladius): 57—head capsule. Parametriocnemus/Paraphaenocladius: 58 (arrow indicates seta submenti). Parorthocladius: 59—head capsule.