Lamellodectes ocelatus ( Berla, 1960 ) Berla, 1960

Hernandes, Fabio A. & Valim, Michel P., 2014, On the identity of two species of Proctophyllodidae (Acari: Astigmata: Analgoidea) described by Herbert F. Berla in Brazil, with a description of Lamellodectes gen. nov. and a new species, Zootaxa 3794 (1), pp. 179-200 : 182-186

Lamellodectes ocelatus ( Berla, 1960) comb. nov.

(Figs. 1–3, 10A)

Pterodectes ocelatus Berla, 1960:102 ; Park & Atyeo 1971b: 81; Valim & Hernandes 2006: 41; Valim et al. 2011: 304.

Rescription. MALE (holotype). Idiosoma, length × width, 333 (311–322 in 2 paratypes from type host) × distorted by the mounting (119–134). Prodorsal shield: 118 (116–119) × 86 (88–89), lateral margins with incisions extending to bases of setae se, posterior margin slightly convex medially, antero-lateral extensions acute, surface with large circular lacunae except for most anterior part; scapular setae se, 93 (84) in length, separated by 40 (43–44), setae si separated by 26 (29–30) (Fig. 1A). Setae cp situated ventrally on humeral shield. Setae c2 situated dorsally on antero-medial margins of humeral shields. Subhumeral setae c3 lanceolate, 21 (20–21) × 5 (5–6). Hysteronotal shield: greatest length 193 (191–194), width in anterior region 95 (84–85), anterior margin slightly concave, surface with numerous circular lacunae as on prodorsal shield. Distance between prodorsal and hysteronotal shields distorted in holotype (8). Opisthosomal lobes very short, posterior margin rounded; terminal cleft 22 (21–24) long, its anterior end rounded. Supranal concavity present (Fig. 1A). Setae h1 situated at level of anterior end of supranal concavity. Length of lamellae 18 (14–15), width at base 15 (13–15). Setae h3 represented by macrosetae, 82 (88–99) long; setae ps2 26 (27–28) long; setae f2 absent; setae h2 94 (115–118) long; setae ps1 minute, about 5 long, situated at same level of setae h2. Distance between dorsal setae: c1:d1 39 (41–43), d1:d2 32 (31–34), d2:e1 57 (51–60), e1:h1 40 (43–44), h3:h3 40 (35–37).

Epimerites I fused into a V (Fig. 1B). Coxal fields I and II without large sclerotized areas. Rudimentary sclerite rEpIIa present. Epimerites IVa indistinct. Aedeagus length (from anterior bend to apex) 50 (48–50), genital arch length 16 (12–15), width 29 (19). Genital shields absent, adanal shields present, represented by small ovate sclerites. Adanal suckers 16 (12–13) in diameter, distance between centers of discs 25 (15–22). Setae ps3 12 (6–8) long. Distance between ventral setae: 3a:4a 39 (38–49), 4a:g 42 (35), g:ps3 29 (30), ps3:ps3 distorted in holotype (12–13).

Solenidion σ 1 of genu I 7 (6) in length, situated medially on segment. Genual seta cG I and II, mG I and II setiform ( Figs. 2 A, B). Solenidia ω 1 of tarsi I 7 (6) in length, ω 1 of tarsi II 9 (8), ω 3 of tarsi I 30 (40). Tarsus IV 35 (33–36) long; setae d and e button-like ( Fig. 2 D).

FEMALE (2 paratypes). Idiosoma, length × width, 484 × 158–162. Prodorsal shield: 136–141 × 121–131, lateral margins with incisions extending to bases of setae se, posterior margin slightly convex medially, anterolateral extensions rounded, surface with large circular lacunae except most anterior part; scapular setae se 105 in length, separated by 60–64, setae si separated by 40–42 ( Fig. 3 A). Setae cp situated ventrally, on humeral shields. Setae c2 situated dorsally on antero-medial margins of humeral shields. Setae c3 lanceolate, 23–24 × 7–8. Distance between prodorsal and hysteronotal shields 4. Anterior hysteronotal shield roughly rectangular, greatest length 236–253, width at anterior margin 110, surface with numerous circular lacunae as on prodorsal shield, with conspicuous oblique slits posterolateral to setae e1 ( Fig. 3 A). Length of lobar region 82, greatest width 96. Terminal cleft inverted U-shaped, 56 long. Setae h1 on soft tegument between anterior hysteronotal and lobar shields. Hysterosomal setae f2 absent. Setae h2 blade-like with apical filament, total length 70, width of enlarged part 8. Setae ps1 situated on opisthosomal lobes dorsally, near inner margins of lobes, close to base of setae h3. Setae h3 setiform, 49 long. Distance between dorsal setae: c1:d1 39–44, d1:d 2 30–39, d2:e1 72–75, e1:h1 38, h1:h1 40, h2:h2 85, ps1:ps1 19, h3:h3 38.

FiGURE 1. Lamellodectes ocelatus (Berla) comb. nov., male. A—dorsal view; B—ventral view.

Epimerites I fused into a narrow V. Coxal fields II as in male ( Fig. 3 B). Epimerites IVa indistinct. Translobar apodemes of opisthosomal lobes present, fused to each other anterior to terminal cleft. Epigynum horseshoeshaped. Apodemes of oviporus free from tips of epimerites IIIa. Primary spermaduct not enlarged near head of spermatheca ( Fig. 10 A); copulatory opening situated ventrally, posterior to anal opening. Pseudanal setae ps2 and ps3 setiform, situated at posterior and anterior levels of anal opening, respectively; distances between ventral setae: 1a:3a 72, 3a:g 27, g:4a 89, 4a:ps3 110, ps2:ps3 17, ps2:ps2 43, ps3:ps3 20.

Segments of anterior legs as in male. Solenidion σ 1 of genu I 7–8 in length. Seta d of tarsus II subequal to corresponding seta f, and setae d of tarsi III, IV shorter than corresponding seta f. Solenidion ω 1 of tarsus I 14–15 in length, ω 3 of tarsus I 37, ω 1 of tarsus II 9. Genu IV without dorsal inflation, genu III not modified.

Material examined. Male holotype, 2 male and 2 female paratypes ( MNRJ) ex Anabazenops fuscus (Vieillot) ( Passeriformes , Furnariidae ), BRAZIL: Rio de Janeiro, Tinguá, 22°36'S, 43°26'W, no other data, coll. H.F. Berla; 1 male and 1 female (DZUnesp-RC) ex Automolus leucophthalmus (Wied) (Furnariidae) (band G76627), BRAZIL: São Paulo State, Arujá, 23°22'19''S, 46°22'01''W, 25 July 2011, coll. A.M. Montanhini.

Figures

FIGURE 2. Lamellodectes ocelatus (Berla) comb. nov., male. A – D—legs I – IV, respectively.

FIGURE 3. Lamellodectes ocelatus (Berla) comb. nov., female. A—dorsal view; B—ventral view.

FIGURE 10. Female spermathecae: A— Lamellodectes ocelatus (Berla) comb. nov.; B— L. distinctus sp. nov.; C— Platyacarus minor (Berla) comb. nov.