16. Soyedina calcarea Grubbs, 2006

Karst Forestfly

http://lsid.speciesfile.org/urn:lsid: Plecoptera .speciesfile.org:TaxonName:6059

(Figs. 7, 109–114)

Soyedina calcarea Grubbs 2006:43 . Holotype male (Illinois Natural History Survey), small spring-fed stream, 7.5 km NW Bonnieville, Hart Co., Kentucky, USA

Soyedina calcarea Grubbs & Baumann, 2019:227

Distribution. USA: KY (DeWalt et al. 2022)

Male. Macropterous. Body length 4.8–5.7 mm, forewing length 6.8–7.6 mm (n = 7). Gills absent. Cerci simple and unmodified. Paraprocts with two lobes, inner lobes lightly sclerotized and inconspicuous, outer lobes sclerotized, in basal half bulbous, slightly tapered apically, concave along dorsal margin (Fig. 113). Epiproct asymmetric, typical for genus (Fig. 109); ventral sclerites partially recurved over abdomen, distinctly asymmetric, apically narrowly triangular (Fig. 109); dorsal sclerites distinctly asymmetric, appearing scaly at higher magnifications (Figs. 110‒ 112); open apically, inner member heavily sclerotized, flanged apically, lip asymmetric with apical half longer than basal portion (Figs. 110‒111).

Female. Macropterous. Body length 6.1–6.5 mm, forewing length 8.0– 8.9 mm (n = 4). Gills absent. Cerci simple and unmodified. Subgenital plate well-developed, subtriangular in shape; base broad, extending from posterior of seventh sternum entirely over eighth sternum and approximately ¼ over ninth sternum; terminating in broadly-rounded apex (Fig. 114).

Larva. Undescribed.

Comments. Soyedina calcarea is currently known only from the Mammoth Cave region of central Kentucky, USA (Grubbs & Baumann 2019, McRoberts & Grubbs 2021).