A. pallipes (Haldeman)

IL (Champaign, Du Page, Jackson, Piatt, Putnam, Sangamon, Tazewell, Union)

IA (=Stigmatomma pallipes subterranea; Des Moines, Jackson, Story, Woodbury)

IN (no locality)

KS (Allen, Cowly, Douglas, Jefferson, Pottawatomie, Riley, Wabaunsee)

MI (Baraga, Livingston, Midland, St. Joseph, Washtenaw)

H. opacior (Forel)

IA (=Ponera trigona opacior; Clinton, Harrison, Mills)

IL (Champaign)

IN (no locality)

KS (Bourbon, Cheyenne, Clark, Clay, Coffey, Comanche, Crawford, Douglas, Elk, Ellsworth, Hamilton, Harper, Jewell, Johnson, Montgomery, Pottawatomie, Smith, Washington)

P. pennsylvanica Buckley

IA (=P. coarctata pennsylvanica; Clinton, Jackson, Lyon, Muscatine, Sioux, Story, Woodbury)

IL (Adams, Champaign, Clinton, Coles, Cook, DeKalb, DeWitt, Edwards, Franklin, Hardin, Jackson, Jersey, Jo Daviess, LaSalle, Logan, Macon, Macoupin, Marshall, Mason, Massac, McHenry, McLean, Menard, Montgomery, Piatt, Pope, Sangamon, Stark, Stephenson, Tazewell, Union, Vermilion, Warren)

IN (=Ponera coarctata pennsylvanica; Clinton, Jefferson, Lake, Posey, Washington)

KS (Allen, Atchison, Bourbon, Crawford, Dickinson, Douglas, Elk, Ellis, Franklin, Geary, Greenwood, Jefferson, Johnson, Kiowa, Leavenworth, Linn, Marshall, Miami, Nemaha, Osage, Pratt, Riley, Wabaunsee, Wilson, Woodson)

MI (Alcona, Arenac, Barry, Berrien, Cass, CHeboygan, Clinton, Delta, Emmet, Gladwin, Gratiot, Huron, Ingham, Iron, Jackson, Kalamazoo, Lake, Lapeer, Livingston, Mackinac, Manistee, Midland, Montcalm, Musckegon, Newaygo, Oakland, Oscoda, Presque Isle, Saginaw, St. Joseph, Schoolcraft, Washtenaw, Wayne, Wexford)

MN (Anoka, Cook (Gregg 1946), Dakota, Fillmore, Goodhue, Hennepin, Houston, Mille Lacs, Pine, Ramsey, Rice*, Rock, Washington)

ND (=P. coarctata pennsylvanica; McKenzie, Slope)

SD (Brookings, Haakon, Hand, Hughes, Moody, Lincoln, Pennington, Yankton)

P. croceum (Roger)

IL (no locality)

P. pergandei (Emery)

IA (=Sysphincta pergandei; Jackson)

IL (Vermilion)

IN (no locality)

KS (Douglas, Geary)

P. silaceum Roger

IL (Effingham, Jackson, Pope, Vermilion)

IN (Crawford)

KS (Crawford)

MI (Livingston)