Podmosta macdunnoughi

• Main Authors: Grubbs, Scott A., Baumann, Richard W.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Plecoptera; Nemouridae; Podmosta; Podmosta macdunnoughi; Breton Island
• Online Access: https://doi.org/10.5281/zenodo.8056858; http://treatment.plazi.org/id/07181030DF3DFFB0FF12FB55FE69FF5D

8. Podmosta macdunnoughi (Ricker, 1947) Maritime Forestfly http://lsid.speciesfile.org/urn:lsid: Plecoptera.speciesfile.org:TaxonName:6113 (Figs. 4, 55‒60) Nemoura macdunnoughi Ricker 1947:403. Holotype male (Canadian National Collection), Baddeck, Cape Breton Island, Nova Scotia, Canada Nemoura ( Podmosta ) macdunnoughi : Ricker, 1952:42 Podmosta macdunnoughi : Illies, 1966:219 Nemoura ( Podmosta ) macdunnoughi : Harper & Hynes, 1971:1137 Nemoura ( Podmosta ) macdunnoughi : Hitchcock, 1974:100 Distribution. Canada: LB, NB, NF, NS, PE, PQ. USA: ME, MN, NY (DeWalt et al. 2022) Male. Macropterous. Body length 4.0– 4.8 mm, forewing length 4.7–4.9 mm (n = 3). Gills absent. Cerci simple and unmodified (Figs. 55‒56). Paraprocts undivided as a lightly sclerotized triangular lobe. Epiproct short and complex, anteriorly-recurved fully over abdomen (Figs. 55‒57); dorsal sclerite broadly rounded basally (Figs. 56‒ 58), extending anteriorly as paired lobes sparsely covered by small spinules (Figs. 56‒58) and dorsally as short bifurcated lateral arms (Figs. 57‒58); ventral sclerite narrow basally, laterally expanded in apical ½, overall t-shaped anteriorly, medially concave (Figs. 56‒57). Female. Macropterous. Body length 5.4–6.5 mm, forewing length 4.8–5.9 mm (n = 6). Gills absent. Cerci simple and unmodified (Figs. 59‒60). Subgenital plate of 8 th tergum scarcely extending over anterior margin of 9 th tergum, with a dark sclerotized medial band that is apically concave (Figs. 59‒60). The 7 th sternum is membranous and barely produced over the anterior margin of the 8 th tergum (Figs. 59‒60). Larva. Described by Harper & Hynes (1971). Ricker (1947) also provided a partial illustration. Comments. Podmosta macdunnoughi is the only species of this Holarctic genus distributed in eastern North America (DeWalt et al. 2022). Published as part of Grubbs, Scott A. & Baumann, Richard W., 2023, The Nemourinae (Insecta, Nemouridae) of the eastern Nearctic, pp. 1-53 in Zootaxa 5306 (1) on pages 18-19, ...