Key to Diploperla Species Adults

1 Lobe on sternum 7 narrow rounded apically, female subgenital plate broadly rounded (Fig. 7a) ………………………………………………… 2

1’ Lobe on sternum 7 broadly rounded apically (as in fig. 8.90, Kondratieff 2004), female subgenital plate broadly rounded, truncate (figs. 8.91, 8.99, Kondratieff 2004) or emarginate (fig. 8.95, Kondratieff 2004) ……………………………….. 3

2 Dorsal head pattern as Fig. 2b; body color pale brown to yellow (Fig. 1b); apex of male lateral stylets expanded ventrally, foot shaped (Figs. 4b, 6b); female subgenital plate broadly rounded (Fig. 7b). Distribution: AL, DE, GA, MD, MS, NC, PA, SC, TN, VA, WV ……………………………………….... D. duplicata

2’ Dorsal head pattern as Fig. 2a; body color yellow to light brown with dark brown to black markings; apex of the lateral stylets expanded dorsally and ventrally (Figs. 4a, 6a); female subgenital plate broadly rounded (Fig. 7a). Distribution: NC, VA ………………….. D. janeae

3 Epiproct sclerotized, prominent, long and slender, in dorsal view (fig. 8.88, Kondratieff 2004); apex of lateral stylets acute (fig. 8.88, Kondratieff 2004); subgenital plate nearly parallel side, apical margin broadly rounded or truncate (fig. 8.91, Kondratieff 2004). Distribution: WV, VA, NC …… D. kanawholensis

3’ Epiproct reduced (figs. 8.93, 8.97, Kondratieff 2004); apex of lateral stylets 2-pronged (figs. 8.93, 8.94, Kondratieff 2004) or rounded to acute (figs. 8.97, 8.98, Kondratieff 2004); subgenital plate broadly rounded (fig. 8.99, Kondratieff 2004) or with sides evenly tapered, apical margin usually emarginated medially (fig. 8.95, Kondratieff 2004) ………………………………........................ 4

4 Apex of lateral stylets 2-pronged (figs. 8.93, 8.94, Kondratieff 2004); subgenital plate with sides evenly tapered, apical margin usually emarginated medially (fig. 8.95, Kondratieff 2004); Distribution: NC, VA ………... D. morgani

4’ Apex of lateral stylets rounded to acute (figs. 8.97, 8.98, Kondratieff 2004); subgenital plate broadly rounded (fig. 8.99, Kondratieff 2004); Distribution: AL, CT, IL, IN, KY, MD, OH, PA, TN, VA, WV …………………………... D. robusta