Key to Pseudotremia in Virginia, based on males

1a. Depigmented, troglomorphic, usually with less than 12 ocelli................................................... 2

1b. Pigmented, with 15–25 ocelli........................................................................... 10

2a. Heads enormously swollen (figs. 34, 35); about 6 reduced, depigmented ocelli; Giles Co................. peponocranium

2b. Heads normal; fewer or more depigmented ocelli............................................................ 3

3a. Metazonites evenly covered with regular, small, wart-like tubercles (fig. 91); Lee Co.......................... piscator

3b. Metazonites otherwise.................................................................................. 4

4a. Four or fewer ocelli, or appearing eyeless; Allegany Co................................................. cerberus

4b. About 10–12 ocelli.................................................................................... 5

5a. Gonopod LAP divided (fig. 69); Wise Co............................................................. hubbardi

5b. Gonopod LAP entire................................................................................... 6

6a. Gonopods with a ventral colpocoxite process................................................................ 7

6b. Ventral colpocoxite process absent........................................................................ 8

7a. Gonopod MAP with subapical spine (fig. 99); Lee Co.................................................... culveri

7b. Gonopod MAP without subapical spine (fig. 116); Lee Co............................................. inexpectata

8a. Gonopod colpocoxites reduced (fig. 76); Scott Co....................................................... ryensis

8b. Gonopod colpocoxites of normal size...................................................................... 9

9a. Row of 4–6 distinct tubercles across posterior margin of anterior metazonites; Lee Co.......................... nodosa

9b. No such tubercles; Giles Co....................................................................... orndorffi

10a. About 1.5 mm wide, 14–20 mm long; metazonites smooth or nearly so.......................................... 11

10b. More than 2.0 mm wide, more than 25 mm long; metazonites smooth or with rugae or tubercles...................... 12

11a. About 20 ocelli; segmental shoulders prominent (fig. 88); Lee Co........................................... valga

11b. About 15 ocelli; segmental shoulders weak; Montgomery Co.......................................... cavernarum

12a. Metazonites smooth or nearly so......................................................................... 13

12b. Metazonites roughened with tubercles or rugae............................................................. 15

13a. Ventral branch of LAP erect, forked; MAPs much reduced, without subapical or apical spines; Giles and Montogomery Cos................................................................................................ sublevis

13b. Ventral branch of LAP not erect, not forked; MAPs of normal size, with subapical spines............................ 14

14a. Gonopod MAPs with apical spine (fig. 43); Patrick Co................................................... glaber

14b. Gonopod MAPs without apical spine (fig. 22); Botetourt Co............................................. pomarium

15a. Gonopod MAPs lacking spines.......................................................................... 16

15b. Gonopod MAPs with at least one set of spines.............................................................. 18

16a. Width about 2.3 mm; Bath Co....................................................................... loomisi

16b. Width 2.7 mm or greater............................................................................... 17

17a. Gonopod LAPs twisted; VCP large, two-pronged; DCP absent (figs. 106–108); Lee Co....................... salfodina

17b. Gonopod LAPs curved, not twisted; VCP small, toothed; DCP grapple-like; Tazewell Co.................... tuberculata

18a. Apical spine present on gonopod MAPs................................................................... 19

18b. Apical spine absent from gonopod MAPs.................................................................. 22

19a. Metazonites covered with many small tubercles; gonopod LAPs undivided; VCP absent; Allegany and Bath Cos...... alecto

19b. Metazonites otherwise; gonopod LAPs divided; VCP present.................................................. 20

20a. Width about 2.3 mm; VCP very large, harpoon-like (figs. 55–57); Washington Co...................... jaculohamatum

20b. Width greater than 2.5 mm; VCP otherwise................................................................ 21

21a. Gonopod VCP as two large, hooked blades (fig. 63); Wise Co............................................. fremens

21b. Gonopod VCP single, curved, acute; Lee Co..................................................... johnholsingeri

22a. Gonopod LAPS large, broad, much divided, antler-like (fig. 50); Smyth Co................................. fergusoni

22b. Gonopod LAPs not antler-like.......................................................................... 23

23a. Twenty-five ocelli; width 3.0 mm; gonopod LAPs twisted; VCP an upright, blunt rod, DCP absent (figs. 12,13); Bath Co.................................................................................................. contorta

23b. Seventeen to 19 ocelli; width 2.8 mm or less; gonopod LAPs curved, not twisted; VCP absent or small; DCP present..... 24

24a. Gonopod VCP grapple-like, ending in retrorse hooks; metazonites with posterior row of tubercles; Smyth Co........ momus

24b. Gonopod VCP saber-like, without hooks; subapical spines of MAPs very long; metazonites with low rugae; Allegany Co. south to Lee Co................................................................................... hobbsi