Zealeuctra, RICKER, 1952

Verdone, Chris J., Beaty, Steven R., Holland, Victor B. & Kondratieff, Boris C., 2019, A New Species Of Zealeuctra Ricker, 1952 (Plecoptera: Leuctridae) From North Carolina, U. S. A., Illiesia 15 (3), pp. 65-78 : 74

Emended key to Zealeuctra males.

The following couplets from the key to Zealeuctra males are from Grubbs et al. (2013). New couplets are proposed to include the new species.

9 Epiproct comprised of two prominent spines, a large posterior spine plus an accessory anterior spine (fig. 10B, Grubbs et al. 2013) ……………………...… Z. warreni Ricker & Ross

9’ Epiproct bearing only a small, subterminal cusp posterior to the main spine ( Figs. 10–12 & 20 , figs. 1B, 4C, Grubbs et al. 2013) ………… 10

10 Cleft narrowly U-shaped anteriorly and divergent posteriorly with the inner margins sinuate ( Figs. 7–9 ); currently known only from North Carolina …………………..… Z. uwharrie Verdone, Beaty , Holland & Kondratieff

10’ Cleft broadly U-shaped ( Fig. 21 , figs. 1A, 4 A, Grubbs et al. 2013); known only from Texas or widely distributed …………………………… 11

11 Epiproct base bearing a conspicuous, slightly concave cusp anteriorly (figs. 1B–C, Grubbs et al. 2013); known only from Texas (fig. 12, Grubbs et al. 2013) ..… Z. arnoldi Ricker & Ross

11’ Epiproct base simple ( Fig. 20 ) and lacking a prominent cusp, at most, only a very small rounded projection anteriorly ( Fig. 20 , fig. 4C, Grubbs et al. 2013); sporadically distributed across the central and eastern USA (fig. 11, Grubbs et al. 2013) ..… Z. fraxina Ricker & Ross

Figures

Figs. 10–12. Zealeuctra uwharrie sp. n., adult male epiproct, lateral. 10. Unnamed spring tributary to Little River, Montgomery Co., NC (inset: Little Creek, Montgomery, Co., NC). 11–12. Little Creek, Montgomery, Co., NC.

Figs. 20–22. Zealeuctra fraxina, adult, Burden Branch, Pope Co., IL. 20. Male terga 8–10, dorsal. 21. Male terminalia, lateral. 22. Female sterna 7–10.

Figs. 7–9. Zealeuctra uwharrie sp. n., adult, unnamed spring tributary to Little River, Montgomery Co., NC. 7–8. Male terminalia, dorsal. 9. Male tergum 9, dorsal.