Rhyacophila biegelmeieri Malicky 1984a

Waringer, Johann, Karaouzas, Ioannis & Malicky, Hans, 2018, The larvae of Rhyacophila tsurakiana Malicky 1984, Rhyacophila gudrunae Malicky 1972, and Rhyacophila biegelmeieri Malicky 1984, including an update for the larval key to the Greek species of genus Rhyacophila Stephens 1836 (Rhyacophilidae, Trichoptera), Zootaxa 4508 (1), pp. 85-100 : 87

publication ID

https://doi.org/ 10.11646/zootaxa.4508.1.5

publication LSID

lsid:zoobank.org:pub:7C816EF3-658C-437D-82C0-E259782AB9A0

DOI

https://doi.org/10.5281/zenodo.3717675

persistent identifier

https://treatment.plazi.org/id/F60D87F9-A652-E270-BB8D-E9D6FC1EF81F

treatment provided by

Plazi

scientific name

Rhyacophila biegelmeieri Malicky 1984a
status

 

Description of the final instar larva of Rhyacophila biegelmeieri Malicky 1984a

Biometry. Body length 13.2 to 15.1 mm, head width from 1.05 to 1.22 mm (n = 4). All morphological characters identical to those of R. gudrunae except as noted below.

Head. Median brown pigmented areas restricted to posterior third of frontoclypeus, to triangular areas adjacent to posterior frontoclypeal suture, and to narrow pigmentation along margins of parietalia anterior of black posterior apophyses ( Figs 20–22 View FIGURES 16–20 View FIGURES 21–26 ).

Thorax. Arc–like pattern and other coloration in posterior half of pronotum light brown, weakly defined ( Figs 20–21 View FIGURES 16–20 View FIGURES 21–26 ). Pronotal notch shallow. Prosternum inconspicuous. Propleura without gills, pleura of meso- and metathoraces each with tufted gills originating from truncate base which subsequently splints into dorsal and ventral branches each bearing gill filaments ( Figs 24–25 View FIGURES 21–26 ).

Abdomen. Each abdominal segment with pair of tufted lateral gills matching morphology of gills on thoracic segments ( Fig. 26 View FIGURES 21–26 ). Abdominal dorsum IX with narrow sclerite with continuous black anterior and centrally interrupted posterior borders ( Fig. 28 View FIGURES 27–32 ). Anal claws each with one small and one large ventral tooth ( Fig. 27 View FIGURES 27–32 ). Ventral ‘bv’ sclerites well developed, each with ventral seta ( Fig. 29 View FIGURES 27–32 bv).

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