(Figs. 80–82)
Cytoleichus penrosei Weidman 1917: 88, figs. 1–17.
Pneumocoptes penrosei, Baker 1951: 584, figs. 1–5; Doby 1963: 963; Doby et al. 1964: 203; Loos-Frank & Abel 1983: 539; Kouchakij & Loos-Frank 1984: 673, figs. 12–13b.
Redescription. FEMALE (10 specimens). Body, including gnathosoma, 205–235 long, 145–160 wide. Body sclerotization with lacy pattern (Fig. 80A). Setae se 30–35, distance se–se 35–45. Sternum 25–30 long, its apex situated distinctly posterior to setae 1a, distance between level of seta 1a bases and sternal apex about 10. Inseminatory canal 16–18 long. Alveoli g and 4a distinct. Posterior margin of posterogynal shield indistinct. Legs III and IV subequal in length, 80–85 long (excluding pretarsus). Tarsal apices weakly pointed. Solenidia ϕIV absent. Setae w and r with moderately pointed apex. Setal lengths: d I–IV 53–62, mG I–II about 4, vF I–II 7–9; solenidia ωI 8–9, ωII 9–11, ϕI–III 4–5.
MALE (10 specimens). Body, including gnathosoma, 175–215 long, 110–135 wide. Body sclerotization having lacy pattern (Fig. 82A). Setae se 30–35 long, distance se–se 30–35. Sternum about 22 long, its apex situated level with or slightly posterior to seta 1a bases. Aedeagus about 50 long. Postgenital shield about 13 long. Legs III and IV subequal in length, 85–90 long (excluding pretarsus). Tarsal apices weakly pointed. Solenidion ϕIV absent. Setae w and r with moderately pointed apex. Setal lengths: d I–IV 35–40, mG I–II about 3, vF I–II about 9; solenidia ωI 4–5, ωII 5–6, ϕI–III 3–4.
Type material examined. Two female paratypes (USNM) from Cynomys ludovicianus (Ord) (Sciuridae), USA: from the Philadelphia Zoological Gardens, 28 March 1917, coll. F.D. Weidman.
Type deposition. Holotype is deposited in USNM.
Non-type material examined. One female (USNM) from Cynomys sp., USA: Nebraska, Hitchcock Co., 1–11 August 1950, coll. unknown; 1 female (USNM) from Cynomys sp. USA: Texas, Dallam Co., October 1950, coll. unknown; 1 female (USNM) from Cynomys sp. USA: Texas, Parmer Co., September 1950, coll. unknown; 23 females, 16 males, 4 tritonymphs, 2 larvae (USNM, UMMZ), from Cynomys sp., USA: no other data.
Host range and distribution. This species was described from Cynomys ludovicianus from the Philadelphia Zoological Gardens, USA (Weidman 1917). Later on this species was recollected from Cynomys sp. from the native range in Nebraska and Texas, USA (Baker 1951).