6. Madecadryinus semicaecus Olmi, 2007

(Figs 261D, E, G, 262B, C)

Madecadryinus semicaecus Olmi 2007c: 29; Azevedo et al. 2010: 885.

Description. ♀ (Figs 262B, C). Apterous; body length 1.7–2.1 mm. Head black, except clypeus and mandible testaceous; antenna testaceous; mesosoma black, except lateral margin of apparent pronotum and distal extremity of propodeal declivity testaceous; metasoma brown, except distal half testaceous; legs testaceous. Antenna (Figs 262B, C) clavate, thickened; antennomeres of holotype in following proportions: 10:3.5:2:2.5:2.5:2.5:2.5:2:2:6; antennomeres 1 and 10 longer than broad; antennomeres 3–9 broader than long (length/breadth ratio of antennomere 9 in lateral view: 3.5:2; antennomere 6 broader than long: 3:2.5); antennomere 2 slightly longer than broad; ADOs present in antennomeres 4–10; antennal toruli contiguous with lateral margins of clypeus. Head rectangular in dorsal view, broader than long (25:20), shiny, covered with short and fine setae, finely punctate, unsculptured among punctures; vertex of head flat; frons very convex (Figs 261D, 262C); eye very small, much shorter than head (2: 20 in dorsal view); ocelli absent; occipital carina distinct, complete on dorsal region of head, incomplete on lateral regions of head; frontal line absent; clypeus with ventral margin rounded; temple very long, almost six × as long as eyes (13:2) (Fig. 261D); subocular sulcus absent. Palpal formula 2/2. Propleuron apparently mobile and articulated, hidden under apparent pronotum. Remaining regions of mesosoma completely fused with no sutures separating fused regions; laterally two incomplete sutures visible (suture between apparent pronotum and mesothorax and meso-metapleural suture); above two sutures incomplete and only partly visible on lateral regions of mesosoma. Mesosoma (Figs 262B, C) shiny, covered with fine and short setae, finely punctate, unsculptured among punctures; mesosoma cylindric and divided into two regions (anterior flat dorsal region (corresponding to pronotum, mesonotum, metanotum and metapectal-propodeal declivity) and posterior inclined region (corresponding to propodeal declivity); in anterior dorsal region no sutures dorsally visible, except suture separating dorsal region from lateral regions (suture incomplete, being absent in anterior third of dorsal region (probably corresponding to pronotum)) (Fig. 261E); posterior inclined region completely surrounded by strong keel separating it from anterior dorsal region and from lateral regions of mesosoma; anterior dorsal regions and posterior inclined region completely unsculptured, except few transverse striae near apex of posterior region. Protarsomeres in following proportions: 7:2:2:5:9. Protarsomere 3 produced into hook. Enlarged claw (Fig. 261G) without subapical teeth (only with tracks of three small teeth), with 11 bristles and many setae on outer side. Protarsomere 5 (Fig. 261G) with two rows of 3 + 10 lamellae; apex with five lamellae. Tibial spurs 1/0/1.

♂. Unknown.

Material examined. Type: ♀ holotype: MADAGASCAR: Antananarivo, Ambohitantely Special Reserve, Ambohitantely Forest, 24.1 km 59° NE of Ankazobe, 18°10.17’S 47°16.55’E, 1620 m, 17–22.IV.2001, in botanical garden, sifted litter in montane rainforest, Fisher, Griswold et al. leg., BLF3720 (CAS). Paratypes: MADA- GASCAR: same locality label as holotype , 2♀♀ (CAS, MOLC); Toamasina, Analamay, 18°48.22’S 48°20.13’E, 1068 m, 21.III.2004, sifted litter (leaf mold, rotten wood), montane rainforest, Malagasy ant team, BLF 10502 , 2♀♀ (CAS). Other material: MADAGASCAR: Fianarantsoa, Vevembe Forest, 66.6 km 293° WNW Farafangana, 22°47.28’S 47°10.55’E, 600 m, 23.IV.2006, maxi Winkler litter extraction, rainforest transitioning to montane forest, BLF14120, B.L. Fisher et al. leg ., 2♀♀ (CAS, MOLC) .

Hosts. Unknown.

Distribution. Madagascar.