Pseudotremia
Creators: name: Shear, William A.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Diplopoda
Chordeumatida
Cleidogonidae
Pseudotremia

description: 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
description: Published as part of Shear, William A., 2011, Cave millipeds of the United States. X. New species and records of the genus Pseudotremia Cope. 2. Species from Virginia, USA (Diplopoda, Chordeumatida, Cleidogonidae), pp. 1-38 in Zootaxa 3109 on pages 5-6, DOI: 10.5281/zenodo.279260