Published January 13, 2025 | Version v1
Taxonomic treatment Open

Paracricotopus glaber Saether 1980

  • 1. Department of Environmental and Life Sciences, Trent University, 1600 West Bank Drive, Peterborough, Ontario, Canada.
  • 2. Department of Fisheries Sciences, Faculty of Natural Resources, University of Kurdistan, Sanandaj, Iran. & Department of Fisheries and Aquatic Ecology, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.

Description

Paracricotopus glaber Saether, 1980

Figs. 6 & 7B

Material examined. 1 male, 3 pharate males, 2 pupae; USA, South Carolina, Oconee Co; seepage area, granite outcrop, Jocassee Overlook, Hwy 413, 17.iv.1977; leg. P. L. Hudson; dep. PLH.

Description. The adult male as described by Saether (1980b) with the following additions and corrections:

Male (n = 4, unless otherwise stated).

Total length 2.7–2.8 mm. Wing length 1.6 mm, wing width 0.5 mm (n = 1). Haltere 281 μm long (n = 1).

Coloration. Haltere brown.

Head (Fig. 6 A-B). AR 0.70–0.95; last flagellomere with 8 sensilla chaetica (n = 1). Temporal setae 3, including 2 inner verticals and 1 frontal (n = 1). Tentorium 207 μm long (n = 1). Clypeus 72 μm long and 135 μm wide bearing 12 setae, setae 78–86, 82 μm long (n = 1). Palpal segments length (in μm): 69, 44, 74, 97, 147 (n = 1).

Thorax (n = 1; Figs. 6C). Prealars 3, scutellars 6.

Wing (n = 1; Figs. 6D). R with 6 setae. Costa extension 54 μm long.

Legs (n = 1). Hind and mid femurs with keel. Fore tibia spur 43 μm long, mid tibia spurs 20 and 16 μm long, hind tibia spurs 50 and 17 μm long, hind tibia comb with around 14 spines. Lengths and proportions of legs as in Table 6.

Abdominal tergite setation (Fig. 7B). Tergites I with 2 lateral setae, anterior basal setae, and posterior marginal setae arranged in 4 diagonal rows in 1/1/3/1 format. Tergites II–VIII with 4 lateral setae, anterior basal setae, and posterior marginal setae in two parallel, slightly diagonal rows.

Hypopygium (Fig. 6E). Anal point 23–31, 27 μm long and 15–24, 19 μm wide at the base. HV 3.6 (n = 1). Gonostylus with conspicuous preapical crista dorsalis.

Female. As described by Saether, 1980.

Pupa (n = 5). As described by Saether (1980b) with the following addition: Thoracic horn 100–135 μm long and 25–42 μm wide (Fig. 6F).

Larva. As described by Saether (1980b).

Distribution. Nearctic: USA (Alabama, Georgia, North and South Carolinas).

Notes

Published as part of Namayandeh, Armin & Ghaderi, Edris, 2025, A review of Paracricotopus (Brundin, 1947), with the description of two new species and redescription of the adult males of Paracricotopus niger (Kieffer, 1913) and Paracricotopus uliginosus (Brundin, 1947) sensu Saether (1980) (Chironomidae: Diptera), pp. 138-158 in Zootaxa 5569 (1) on pages 149-150, DOI: 10.11646/zootaxa.5569.1.5, http://zenodo.org/record/14703998

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Linked records

Additional details

Biodiversity

Event date
1977-04-17
Verbatim event date
1977-04-17
Scientific name authorship
Saether
Kingdom
Animalia
Phylum
Arthropoda
Order
Diptera
Family
Chironomidae
Genus
Paracricotopus
Species
glaber
Taxon rank
species
Taxonomic concept label
Paracricotopus glaber Saether, 1980 sec. Namayandeh & Ghaderi, 2025

References

  • Saether, O. A. (1980 b) The Females and immatures of Paracricotopus Thienemann and Harnisch, 1932, with the description of a new species (Diptera: Chironomidae). Aquatic Insects, 2, 129 - 145. https: // doi. org / 10.1080 / 01650428009361018