Crassacarus, Bochkov, Andre V, Oconnor, Barry M. & Klompen, Hans, 2015

Bochkov, Andre V, Oconnor, Barry M. & Klompen, Hans, 2015, A review of the mite subfamily Harpirhynchinae (Acariformes: Harpirhynchidae) — parasites of New World birds (Aves: Neognathae), Zootaxa 4023 (1), pp. 1-130 : 79

Key to species of the genus Crassacarus gen. nov. (see Table 3 for differential characters)

(females)

*—species occurring in New World.

1. Leg III with 1 articulated segment....................................................................... 4

- Legs III with 2 articulated segments..................................................................... 2

2. Palp 1.5–1.8 times longer than wide. Palpal setae l”G shorter or subequal to dF. All setae of legs III and IV long filiform.. 3

- Palp only 1.3 times longer than wide. Palpal setae l”G 1.3 times longer than dF. Some setae of legs III and IV short, spur-like..................................................................... C. melanerpes sp. nov. * ( Figs. 60–62 )

3. Setae vF smooth. Setae h2 110 long. Genua I and II with 1 seta (l’)................... C. fritschi sp. nov. * ( Figs. 56 , 57 )

- Setae vF serrate. Setae h2 60–70 long. Genua I and II without setae................... C. sialia sp. nov. * ( Figs. 58 , 59 )

4. Legs I and II with 4 articulated segments dorsally (femur and genu fused)....................................... 5

- Legs I and II with 5 articulated segments dorsally (femur and genu separated). C. cylindripalpus ( Fritsch, 1954) comb. nov.

5. Setae h2 serrate. Legs I and II with 4 articulated segments ventrally (femur and genu fused)................................................................................................... C. alexfaini sp. nov. * ( Figs. 50–52 )

- Setae h2 smooth. Legs I and II with 5 segments ventrally (femur and genu separated)..... C. tinae sp. nov. * ( Figs. 53–55 )

Figures

FIGURE 50. Crassacarus alexfaini sp. nov., female. A—dorsal view; B—ventral view.

FIGURE 51. Crassacarus alexfaini sp. nov., male. A—dorsal view; B—ventral view.

FIGURE 52. Crassacarus alexfaini sp. nov., details. Female (A – E): A—palpalae; B—palpal tibio-tarsus in ventral view; Cleg I in ventral view; D—tarsus I in dorsal view; E—solenidion ω 1 II. Male (F – I): F—palpalae; G—genital opening; Hsolenidion ω 1 I; I—solenidion ω 1 II.

FIGURE 53. Crassacarus tinae sp. nov., female. A—dorsal view; B—ventral view.

FIGURE 54. Crassacarus tinae sp. nov., male. A—dorsal view; B—ventral view.

FIGURE 55. Crassacarus tinae sp. nov., details. Female (A – D): A—palpalae, B—leg I in dorsal view; C—leg I in ventral view; D—tarsus II in dorsal view. Male (E, F): E—palpalae; F—genital opening.

FIGURE 56. Crassacarus fritschi sp. nov., female. A—dorsal view; B—ventral view.

FIGURE 57. Crassacarus fritschi sp. nov., details of female. A—palp in dorsal view; B—leg I in ventral view; C—tarsus I in dorsal view; D—leg II in ventral view; E—tarsus II in dorsal view.

FIGURE 58. Crassacarus sialia sp. nov., female. A—dorsal view; B—ventral view.

FIGURE 59. Crassacarus sialia sp. nov., details of female. A—palp in dorsal view; B—leg I in ventral view; C—tarsus I in dorsal view; D—tarsus II in dorsal view.

FIGURE 60. Crassacarus melanerpes sp. nov., female. A—dorsal view; B—ventral view.

FIGURE 61. Crassacarus melanerpes sp. nov., male. A—dorsal view; B—ventral view.

FIGURE 62. Crassacarus melanerpes sp. nov., details. Female (A – J): A—palpalae; B—palpal tibio-tarsus in ventral view; C—leg I in ventral view; D—tarsus I in dorsal view; E—leg II in ventral view; F—tarsus II in dorsal view; G—solenidion ω 1 I, H—solenidion ω 1 II; I—leg III in ventral view; J—leg IV in ventral view. Male (K – M): K—palpalae; L—solenidion ω 1 I, Msolenidion ω 1 II. Scale bars: A, B, G – J = 50 Μm; C – F = 100 Μm.