Trichorhynchiella Fain, 1995

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 : 114-115

Genus Trichorhynchiella Fain, 1995

Trichorhynchiella Fain, 1995: 50 ; Bochkov & OConnor 2014: 323.

Type species: Trichorhynchiella paddae Fain, 1995 , by original designation.

Diagnosis. FEMALE. Subcapitular setae n present or absent. Palp with full set of setae. Setae vF smooth. Idiosoma sacciform, length and width subequal, bearing distinct terminal lobes and various additional dorsal or ventral soft projections. Anterior part of propodonotum between peritrematal branches and striated cuticle smooth. Dorsal shield present, distinctly developed, entire, without ornamentation or absent. Dorsal idiosomal striae accompanied by tubercles or verrucosities. Idiosomal venter striated or almost smooth, without scales or verrucosities. Idiosoma with full complement of setae. Setae h2 filiform, not thickened, moderate long. Setae 1a, 1c, 3a subequal, short; setae 1a situated in anterior idiosomal third distantly from setae 3a. Vulvar slit subequal to or longer than 1/2 of idiosomal length. Vulvar apodemes not developed. Legs I and II inserted laterally; legs III and IV—terminally. Leg I with 4 articulated segments, legs II with 4–5 articulated segments. Anterior legs without basal lobes; their pretarsi bearing paired claws without basal angles and ciliated empodium. Tarsi and tibiae I and II with full complement of setae. Number of setae on basal segment of legs I and femora-genua of legs II variable (1–3 setae), genua I and II always bearing 1–3 setae. All setae of legs I and II smooth. Leg III with 2 articulated segments. Basal segment bearing 0–3 setae, apical segment with several setae. Leg IV with 1 articulated segment bearing several setae.

MALE. Gnathosoma as in female. Idiosoma flattened dorso-ventrally and rounded in outline. Genital opening situated at anterior margin of idiosoma . Genital setae 3 pairs. Aedeagus situated posterior to genital opening. Idiosoma with full complement of setae. Setae vi long and serrate. Legs I and II consisting of 5 articulate segments. Setation of tarsi and tibiae I and II as in female; genua I and II with 3 setae (d, l’, v’), femora I and II with 2 setae (d, v), trochanters I and II with 1 seta (v). Leg III with 2 articulated segments, basal segment with 1 seta, apical segment with several setae. Leg IV with 1 articulated segment bearing several setae.

Species included: Trichorhynchiella myiarchus Bochkov and Klompen, 2014 , T. paddae Fain, 1995 , T. phleocryptes Bochkov and OConnor, 2014.

Hosts: Passeriformes : Estrildidae , Furnariidae , Tyrannidae .

Microhabitat: in feather follicles; female remaining in tritonymphal skin.