Pennarhodeus Karg

Castilho, Raphael C., De, Gilberto J. & Halliday, Bruce, 2012, Revision of the genera Interrhodeus, Pennarhodeus and Poropodalius (Acari: Rhodacaridae), Zootaxa 3335, pp. 1-28 : 5

Genus Pennarhodeus Karg

Pennarhodeus Karg, 2000a: 255 .

Pennarhodeus .— Karg, 2000b: 211.

Type species: Pennarhodeus pennatus Karg, 2000 , by original designation.

Diagnosis (adult female and male). Arthrodial process of chelicera with a short coronet-like fringe (except P. decoris , arthrodial process elongate, with three points); epistome with a smooth antero-medial projection either of about uniform width or slightly wider proximally, flanked on each side by a shorter projection whose lateral margins are smooth or lightly serrate; seta h3 directly posterior to h1 and mediad to h2; setae dorsal, circumanal and Jv4 usually pilose and other setae smooth; podonotal shield with 22–23 pairs of setae and without scleronoduli (except male of P. brevipennatus , with two scleronoduli); unsclerotised integument laterad to podonotal shield with zero or one pair of setae; opisthonotal shield with 15–17 pairs of setae; with four or five pairs of R setae on unsclerotised integument laterad to opisthonotal shield in female and two to five pairs of R setae on unsclerotised integument laterad to opisthonotal shield or on ventrianal shield in male; most dorsal idiosomal setae pilose; presternal shields absent; ventrianal shield with five pairs of setae in female and seven to nine pairs of setae in male; unsclerotised integument along margins of ventrianal shield with two pairs of setae in female and without setae in male; with a pair of rounded metapodal plates in female and without metapodal plates in male; peritreme extending anteriorly to level between anterior margin of coxa III and median region of coxa II; pretarsus I, a single, sessile, curved claw; seta pl 4 of tarsus IV absent. Numbers of setae on legs I–IV: coxa: 2, 2, 2, 1; trochanter: 6, 5, 5, 5; femur: 13, 11, 6, 6; genu: 13, 11, 9, 10 (9 in P. turris Karg ); tibia: 14, 10, 8, 10 (9 in P. brevipennatus Karg ); tarsus II–IV: 18, 18, 17. Adult male with spermatodactyl abruptly bent dorsally or ventrally and with one or two spur-like ventral setae on each of femur, genu and tibia II.