FIGURES 2A-F in Leuctra usdi, a new stonefly (Plecoptera: Leuctridae) of the L. tenuis (Pictet) species group from the southeastern U. S. A. plus three new Alabama state records

FIGURES 2A-F. Scanning electron micrographs, male paraproct, lateral view. A, Leuctra usdi, sp. nov., 350X; B, L. usdi, sp. nov., 1500X; C, L. triloba (U.S.A., Alabama, Clay Co., tributary to West Fork Hatchet Creek, Talladega National Forest, 25 I 2006), 350X; D, L. triloba, 1500X; E, L. variabilis (U.S.A., Tennessee, Carter Co., Twin Springs, Cherokee National Forest, 29 XI 2002), 350X; F, L. variabilis, 1500X.