Isoperla sandbergi Szczytko and Kondratieff 2015
Creators: name: Grubbs, Scott A.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Perlodidae
Isoperla
Isoperla sandbergi

description: <i>Isoperla sandbergi</i> Szczytko and Kondratieff, 2015 Cheaha Stripetail (Figs. 7‒12) http://lsid.speciesfile.org/urn:lsid: Plecoptera.speciesfile.org: TaxonName:468960 <i>Isoperla sandbergi</i> Szczytko &amp; Kondratieff, 2015:229. Holotype &amp;male; (USNM), Dry Creek, above Cheaha Lake, Cheaha State Park, Cleburne Co., Alabama <b>Egg.</b> General shape oblong, cross-section concave (Figs. 7‒8); anterior and posterior poles broadly-rounded (Figs. 9‒10). Color pale yellow. Collar absent (Fig. 9). Hexagonal follicle cell impressions not visible; chorionic surface covered with small pits; eclosion line absent; micropyles with thickened openings, arranged in a row of 3 near anterior 1/3 of egg (Figs. 11‒12). <b>Material examined</b>. <b>Alabama</b>, Calhoun Co., spring into Cottaquilla Creek, 33.7656, -85.7166, 9 April 2010, S.A. Grubbs, 10&amp;male;, 8&amp;female; (WKUC); same but 7 March 2012, S.A. Grubbs, 1&amp;male; (WKUC); Jones Branch, 33.8570, -85.6187, 13 April 2012, A.L. Sheldon, 2&amp;male;, 1&amp;female; (WKUC); Jones Branch, 33.8454, -85.6273, 13 April 2012, A.L. Sheldon, 1&amp;male;, 2&amp;female; (WKUC); tributary to Jones Branch, 33.8457, -85.6280, 13 April 2012, A.L. Sheldon, 1&amp;female; (WKUC); tributary to Jones Branch, 33.8572, -85.6184, 13 April 2012, A.L. Sheldon, 1&amp;female; (WKUC); Clay Co., tributary to West Fork Hatchett Creek, 33.2945, -86.0615, 8 May 2005, A.L. Sheldon, 2&amp;male;, 1&amp;female; (WKUC); tributary to Talladega Creek, 33.3971, -85.8653, 9 May 2005, A.L. Sheldon, 1&amp;male; (WKUC); Talladega Creek, 33.4023, -85.8572; 9 May 2005, A.L. Sheldon, 3&amp;male;, 1&amp;female; (WKUC); same but 8 April 2008, A.L. Sheldon, 5&amp;male;, 10&amp;female; (WKUC); Talladega Creek, 33.4061, -85.8502; 9 May 2005, A.L. Sheldon, 1&amp;male;, 1&amp;female; (WKUC); same but 8 April 2008, A.L. Sheldon, 3&amp;male; (WKUC); tributary to Talladega Creek, 33.4009, -85.8559, 9 May 2005, A.L. Sheldon, 1&amp;male; (WKUC); tributary to Cheaha Creek, 33.4065, -85.8496, 8 April 2008, A.L. Sheldon, 1&amp;male;, 1&amp;female; (WKUC); tributary to Cheaha Creek, 33.4401, -85.8382, 8 April 2008, A.L. Sheldon, 4&amp;male;, 6&amp;female; (WKUC); tributary to Cheaha Creek, 33.4402, -85.8328, 12 April 2012, A.L. Sheldon, 1&amp;male; (WKUC); tributary to Cheaha Creek, 33.4398, -85.8376, 12 April 2012, A.L. Sheldon, 1&amp;male;, 1&amp;female; (WKUC); tributary to Cheaha Creek, 33.4398, -85.8389, 12 April 2012, A.L. Sheldon, 1&amp;male; (WKUC); Cleburne Co., tributary to Terrapin Creek, 33.8775, -85.5658, 22 May 2006, A.L. Sheldon, 1&amp;male; (WKUC); tributary to Terrapin Creek, 33.8777, -85.5700, 22 May 2006, A.L. Sheldon, 1&amp;female; (WKUC); tributary to Terrapin Creek, 33.8784, -85.5510, 9 April 2008, A.L. Sheldon, 1&amp;male;, (WKUC). <b>Distribution. USA</b>: AL (DeWalt et al. 2016). <b>Diagnosis.</b> Szczytko &amp; Kondratieff (2015) placed <i>I. sandbergi</i> in the <i>I. similis</i> (Hagen, 1861) Group with <i>I. bellona</i> Banks, 1911, <i>I. cherokee</i> Szczytko and Kondratieff, 2015, <i>I. distincta</i> Nelson, 1976, <i>I. major</i> Nelson and Kondratieff, 1983, <i>I. similis</i>, and <i>I. starki</i> Szczytko and Kondratieff, 2015. The eggs of <i>I. bellona</i> and <i>I. distincta</i> remain undescribed. The combination of a concave profile and lack of a collar easily distinguishes the eggs of <i>I. sandbergi</i> from <i>I. cherokee</i>, <i>I. major</i>, <i>I. similis</i>, and <i>I. starki</i>. The eggs of <i>I. major</i> and <i>I. similis</i> are round in crosssection, possess a low raised collar, and lack a concavity (Szczytko &amp; Kondratieff 2015, figs. 29.7, 51.15). The eggs of <i>I. cherokee</i> and <i>I. starki</i> have a concave profile but possess either a low, buttonlike collar (<i>I. cherokee</i>; Szczytko &amp; Kondratieff 2015, Figs. 7.24‒7.25) or a distinct, elevated collar (<i>I. starki</i>; Szczytko &amp; Kondratieff 2015, Fig. 55.21). <b>Comments.</b> This species appears to be the most common headwater <i>Isoperla</i> in the Talladega Mountain region (Sheldon &amp; Grubbs unpublished data).
description: Published as part of <i>Grubbs, Scott A., 2016, Taxonomic Notes On The Eggs Of Eastern Nearctic Isoperla (Plecoptera: Perlodidae: Isoperlinae), pp. 35-41 in Illiesia 12 (8)</i> on page 39, DOI: 10.5281/zenodo.4757733
description: {"references": ["Szczytko, S. W. &amp; B. C. Kondratieff. 2015. A review of the eastern Nearctic Isoperlinae (Plecoptera: Perlodidae) with description of twenty-two new species. Monographs of Illiesia, 1: 1 - 289.", "DeWalt R. E., M. D. Maehr, U. Neu-Becker, &amp; G. Stueber. 2016. Plecoptera species file online. Version 5.0 / 5.0. Available online: http: // Plecoptera. SpeciesFile. org [retrieved 15 June 2016]", "Hagen, H. A. 1861. Synopsis of the Neuroptera of North America. With a list of South American species. Smithsonian Miscellaneous Collections, 20: 1 - 347.", "Banks, N. 1911. Descriptions of new species of North American neuropteroid insects. Transactions of the American Entomological Society, 37: 335 - 360.", "Nelson, C. H. 1976. A new species of Isoperla (Plecoptera: Perlodidae) from Tennessee.", "Nelson, C. H. &amp; B. C. Kondratieff. 1983. Isoperla major, a new species of eastern Nearctic Isoperlinae (Plecoptera: Perlodidae). Annals of the Entomological Society of America, 76: 270 - 273."]}