Poropodalius, 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 : 26-27

Key to Poropodalius species (known adult females)

1. Dorsal idiosoma with at least one seta (r3) with distal half pilose; podonotal shield with four circular scleronoduli; peritrematal shield broad and long, extending anteriorly onto the dorsum but not fused to podonotal shield; pretarsus I, a single, sessile, curved claw.......................................................................................... 2

- Dorsal idiosoma with all setae smooth; podonotal shield with four crescent-shaped scleronoduli; peritrematal shield narrow, not extending beyond peritreme; pretarsus I, an elongate ambulacral stalk, a pair of strong claws and three rounded pulvillar lobes............................................................................................... 3

2. Podonotal shield with series of short, wavy lines mostly transversely or diagonally aligned; setae j1, z2-z5, s5, s6, r3 and r6 with distal half pilose, other podonotal setae smooth; opisthonotal shield imbricate; sternal shield lightly reticulate; unsclerotised integument between sternal and ventrianal shields with three transverse elongate accessory platelets; ventrianal shield with six pairs of setae (Jv2-Jv5, Zv2 and Zv3) in addition to circum-anal setae........... Poropodalius crispus Karg, 2000a

- Podonotal shield with indistinct roundish markings; only seta r3 with distal half pilose, other podonotal setae smooth; opisthonotal shield lightly reticulate; sternal shield lightly imbricate; unsclerotised integument between sternal and ventrianal shields with one transverse elongate accessory platelet; ventrianal shield with five pairs of setae (Jv2, Jv3, Jv5, Zv2 and Zv3) in addition to circum-anal setae................................................ Poropodalius hexapennatus Karg, 2000a

3. Epistome with serrate antero-lateral projections triangular; scleronoduli between setae j6 and z6; sternal shield smooth; unsclerotised integument between genital and ventrianal shields with one transverse elongate accessory platelet......................................................................................... Poropodalius basisetae Karg, 2000a

- Epistome with smooth antero-lateral projections of about uniform width; scleronoduli between setae j5 and j6; sternal shield ornamented; unsclerotised integument between genital and ventrianal shields without accessory platelet................. 4

4. Podonotal shield lightly imbricate; setae j3 and J1 not reaching the base of setae j4 and J2, respectively; pretarsus I with the same size of other pretarsus................................................... Poropodalius acutus Karg, 2000a

- Podonotal shield with indistinct roundish markings; setae j3 and J1 reaching the base of setae j4 and J2, respectively; pretarsus I with half the size of other pretarsi............................ Poropodalius medioflagelli Karg & Schorlemmer, 2009

Key to Poropodalius species (known adult males)

Information for P. acutus is based on Karg (2000a), as the type specimens were not available for study.

1. Spermatodactyl more than five times longer than movable cheliceral digit............... Poropodalius acutus Karg, 2000a

- Spermatodactyl 2–3 times longer than movable cheliceral digit................................................. 2

2. Podonotal shield imbricate; setae j1, z2-z5, s5, s6, r3 and r6 with distal half pilose, other podonotal setae smooth; opisthonotal shield imbricate; sternogenital shield lightly reticulate; unsclerotised integument between sternogenital and ventrianal shields with an ellipsoidal accessory platelet; ventrianal shield imbricate; with four pairs of setae R on ventrianal shield; peritrematal shield broad and long, extending anteriorly onto the dorsum but not fused to podonotal shield................................................................................................... Poropodalius crispus Karg, 2000a

- Podonotal shield with indistinct roundish markings; only seta r3 with distal half pilose, other podonotal setae smooth; opisthonotal shield lightly reticulate; sternogenital shield with light roundish markings; unsclerotised integument between sternogenital and ventrianal shields without accessory platelet; ventrianal shield reticulate; with five pairs of setae R on ventrianal shield; peritrematal shield narrow, not extending beyond peritreme.................... Poropodalius hexapennatus Karg, 2000a