A revision of the genus Haroldiataenius Chalumeau (Scarabaeidae: Aphodiinae: Eupariini) Author Stebnicka, Z. Teresa Author Skelley, Paul E. text Insecta Mundi 2009 2009-01-30 2009 62 1 16 journal article 10.5281/zenodo.4531515 1942-1354 4531515 Key to Species of Haroldiataenius 1. Body psammodiiform (Fig. 12); lateral margins of pronotum and elytron with long setal fringe, setal length much greater than distance between setal bases ( Fig. 1 ). Clypeus transversely rugose. Mexico , Panama ........................................................................ H. mariarum (Bates) — Body psammodiiform to robustly elongate (Fig. 13-15); lateral margins of pronotum or elytron bare, or with fringe of short setae; if setae present, then length equal to or less than distance between setal bases ( Fig. 2, 5-11 ). Clypeus punctate, smooth, or weakly rugose ..................... 2 2(1). Meso- and metafemoral posterior margin with distinct, complete line from trochanter to apex ( Fig. 3 ) ....................................................................................................................................... 3 — Meso- and metafemoral posterior margin lacking complete line, if present, then only in distal half ( Fig. 4 )........................................................................................................................................ 4 3(2). Clypeus rounded each side of median emargination. Base of head lacking band of coarse punctures. Elytral intervals convex ( Fig. 5 ), lacking setae on disc, some setae may be visible on apical declivity. Florida , USA ................................................................. H. saramari (Cartwright) — Clypeus angulate to distinctly toothed each side of median emargination. Base of head with band of coarse punctures. Elytral intervals tectiform, with short setae ( Fig. 6 ). Baja California , Mexico and Arizona , USA ....................................................................................... H. lucanus (Horn) 4(2). Lateral pronotal margin lacking distinct setae; lateral bead of pronotum gradually thickened toward anterior angle ( Fig. 7 ). Mexico , Guatemala , Honduras , El Salvador ............................. .................................................................................................................. H. limbatus (Bates) — Lateral pronotal margin with distinct setal fringe; lateral bead of pronotum fine throughout length, not distinctly thickened near anterior angles ............................................................... 5 Figures 1-7. Haroldiataenius spp. 1) H. mariarum , lateral habitus. 2) H. hintoni lateral habitus. 3) H. lucanus , mesotibia. 4) H. semipilosus , mesotibia. 5) H. saramari , lateral habitus. 6) H. lucanus , lateral habitus. 7) H. limbatus , lateral habitus. 5(4). Pronotal punctures of uniform size, punctures dense, separated by less than one diameter over entire surface ( Fig. 2 , 15); base of pronotum with marginal line obscured by coarse punctures. Mexico , Guatemala , Honduras .................................................................. H. hintoni (Saylor) — Pronotal punctures mixed fine and coarse; coarse pronotal punctures more widely scattered, separated by at least their own diameter ( Fig. 8-11 ); base of pronotum with distinct marginal line ............ 6 6(5). Clypeus strongly angulate to dentate each side of median emargination. Elytral intervals with long scattered setae, most prominent laterally ( Fig. 8 ). Texas and Arizona , USA ; Mexico ....... ...................................................................................................... H. semipilosus (Van Dyke) — Clypeus rounded or angulate each side of median emargination. Elytral intervals lacking setae ( Fig. 9-11 ). Southern Texas , USA ............................................................................................. 7 7(6). Lateral elytral margin with indistinct fringe of setae, if visible, setae distinctly shorter than distance between their bases ( Fig. 9 ). Coarse pronotal punctures more widely scattered, diameter equal to or less than width of basal pronotal margin ...................... H. griffini (Cartwright) — Lateral elytral margin with distinct fringe of short setae, setae as long as distance between their bases ( Fig. 10-11 ). Coarse pronotal punctures evenly distributed basally, their diameter generally greater than width of broad basal pronotal margin .................................................................. 8 8(7). Clypeal anterior margin evenly rounded each side of median emargination ( Fig. 10 ). Elytral intervals weakly convex on disc. Body dark brown, nearly black. Big Bend region, Texas , USA ............ ...................................................................................................................... H. buvexus , n. sp. — Clypeal anterior margin angulate each side of median emargination ( Fig. 11 ). Elytral intervals strongly convex on disc. Body dark reddish brown. Southern coastal Texas , USA ................... .......................................................................................................... H. convexus (Robinson)