Cavaecarabodes hauseri ( Mahunka, 1989 )

Fernandez, Nestor, Theron, Pieter, Leiva, Sergio & Jordaan, Anine, 2018, Revision of the family Carabodidae (Acari: Oribatida) XVI. Synkrotima tsalakpmenoi sp. nov. from Zimbabwe and Kenya, and Congocepheus thailandae sp. nov. from Thailand, including a complementary study of Cavaecarabodes hauseri (Mahunka 1989), Zootaxa 4504 (3), pp. 371-389 : 385-388

Cavaecarabodes hauseri ( Mahunka, 1989)

Material examined. Vietnam “ Lam Dong province Mt. Pehhatt near Quang Tryung Reservoir ca 8 Km SW of Da. Lat 11°58’37.4N 108°25’58.3E; 1.590 m Evergreen hill forest. 6. IX. 2003. Leg. P. SWEDINGEN”; 3 adult females, material deposited in the Collection of the Natural History Museum of Geneva ( NHMG) , Switzerland; preserved in 70 % ethanol.

Description. Cerotegument. Granulate: principally found on notogaster and ventral region.

Integument. Circular-ovoid fovea ( Figure 74 , indicated by R): prodorsum: e.i.p; p.p.d ( Figure 71 ); notogaster ( Figure 71 indicated by R); epimeral zone; around genital and anal openings; on genital and anal plate; region of ag and ad setae; in ventral depressions (dep).

Rugous with elevated ridges: lateral margin of notogaster zone of setae p 1, p 2, p 3, h 3, up to h.ap. level ( Figure 71 indicated by z); marginal ventral region; laterally on anal zone. Reticulate-foveate: lamellar zone ( Figure77 indicated by a); smooth: zone of CSO; near rostrum ( Figure 77 )

Setation. Filiform, elongate, serrate, with rib located medially: le setae ( Figure 84 , rib indicated by l). Lanceolate, with three ribs: in, ng, ad setae ( Figures 72, 73, 76 , 83 ). Rugous ribs situated on either side of setal margin ( Figures 72, 73 indicated byS), medial rib with small barbs ( Figure 73 indicated by¡). Lanceolate with two parallel medial ribs: ro setae ( Figure 75 , ribs indicated by ¿). Lanceolate elongate, smooth: ag setae ( Figure 83 ). Simple, short, smooth surface: a, m, an setae ( Figures 78, 79, 85 ); simple, short, surface with dentitions: h ( Figure 80 ); simple, long, smooth: ge setae ( Figure 81 ); simple, long, barbate: epimeral setae ( Figure 82 ).

Prodorsum. Rostral margin rectilinear ( Figure 77 , indicated by ¿). Lamellae dorsolateral, laterally well-defined ( Figure 77 ); l.l.f clearly visible ( Figure 77 ). CSO present ( Figure 77 ) on anterior zone between ro setae, delimited posteriorly by a semicircular groove (c.g) ( Figure 77 , indicated by5); l.l.f extending from in setal level to c.g; le setae situated laterally, far from and posterior to ro setal level; la.ti absent. Tu and Pd I clearly visible in frontal view ( Figure 77 ).

Notogaster. Fourteen pairs of setae (c 1, c 2, da, dm, dp, la, lm, lp, h 1, h 2, h 3, p 1, p 2, p 3) similar shape ( Figure 71 ); all setae extending backward; c 1 and c 2 setae closely adjacent; insertion levels almost parallel; c 2 small relative to c 1. Circumgastric furrow clearly discernible externally to la, lm, lp, h 1, h 2 setae ( Figure 71 indicated by l).

Remarks. By making use of SEM, the diagnosis (in Fernandez et al. 2013a) related to setae is improved. In that text:

“Setation: barbate, le; simple, subcapitular, an; lanceolate, in, notogastral, ro, genital, aggenital, epimeric and adanal” should be changed to: “Setation: filiform, elongate, serrate, with rib located medially: le setae; lanceolate, with three ribs: in, ng, ad setae; lanceolate with two parallel medial ribs: ro setae; lanceolate, elongate, smooth: ag setae; simple, short, smooth surface: a, m, an setae; simple, short, surface with dentitions: h; simple, long, smooth: ge setae; simple, long, barbate: epimeral setae. The other diagnostic aspects are correct as indicated.

Also worth noting are the particularities found on the integument, described in Fernandez et al. 2013a, but complemented by this study.

Figures

FIGURES 71–76. Cavaecarabodes hauseri (Mahunka, 1989) Adult female, SEM observations. 71. dorsal view; 72. notagastral seta, dorsal view; 73. notogastral seta, inclined view; 74. cuticular microsculpture; 75. rostral seta; 76. interlamellar seta. Scale bar: 71=100 µm; 72=12 µm; 7312 µm; 74=15 µm; 75=10 µm; 76=20 µm.

FIGURES 77–85. Cavaecarabodes hauseri (Mahunka, 1989) Adult female, SEM observations. 77. prodorsum frontal view; 78. subcapitular seta a; 79. subcapitular seta m; 80. subcapitular seta h; 81. genital seta; 82; epimeral seta 4b; 83. adanalaggenital zone; 84. lamelar seta; 85. anal seta. Scale bar: 77=59 µm; 78=2 µm; 79=2 µm; 80=5 µm; 81=5 µm; 82=10 µm; 83=10 µm; 84=20 µm; 85=5 µm.