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(Figs 11, 12, 19, 20, 28)
Types. Holotype worker, Australia, Western Australia, 21mi. NWbyW Balladonia Motel, 32°12'S 123°19'E, 4 Nov. 1969, Key and Upton (ANIC) (ANIC 32-031016); paratypes, 30 workers and one male (same data as holotype) (ANIC 32-001084) (ANIC, MCZC, WAMP).
Diagnosis. Majority of hairs on venter of head located laterally and forming a distinct psammophore (Fig. 21); eye relatively large (EI greater than 21, Fig. 19); scape relatively long (SI greater than 106, Fig. 20). This species has a psammophore similar to that found in A. barbigulaHNS and A. poultoniHNS. It can be separated from these species by the presence of a larger eye and longer scape.
Description. Posterior margin of head broadly arched in full face view, the arch beginning at the occipital collar and with at most a weak angle separating the posterior and lateral margins of the head (often posterior and lateral margins forming a continuous surface). Majority of hairs on venter of head located laterally and forming a distinct psammophore, only scattered hairs on central portion. Mandibular sculpture composed of regularly sized striations. Erect hairs on mesosomal dorsum tapering to sharp points. Propodeal spines reduced to small denticles. Petiolar node (in dorsal view) approximately square.
Measurements. Worker (n = 22). CI 84-92; EI 21-27; EL 0.19-0.27; HL 0.88-1.29; HW 0.75-1.16; ML 1.23-1.84; MTL 0.77-1.08; SI 104-126; SL 0.94-1.28.
Material examined (in ANIC unless otherwise noted). South Australia: 15mi. SE Streaky Bay (Greaves,T.); 31mi. SE Colona (Greaves,T.); 3km ENE Mt. Centre (Greenslade,P.J.M.); 40km ENE Yantanabie(Taylor,R.W., Bartell,R.J. & Lowery,B.B.); 41km WbyS Nullabor (Taylor,R.W.); 8km N McLachlan Siding, Eyre Peninsula (Greenslade,P.J.M.); Blyth (Lowery,B.B.); c.18km SSE Poochera (Taylor,R.W. & Bartell,R.J.); Ceduna (Riek,E.F.; Casparson,K.); Cowell (Lowery,B.B.); Inkster, SW Poochera (Casparson,K.); Koongawa (Moddev,M.); NW Yaninee, Eyre Penin. (Casparson,K.); Poochera (Taylor,R.W. & Bartell,R.J.); Port Wakefield (Bogisch,G.P., ANIC, MCZC); Streaky Bay (Greenslade^.; Lowery,B.B.; McAreavey,J.); Victoria Desert, 1km W Emu Camp (Greenslade,P.J.M.). Western Australia: 10km SW Mt. Ragged (Taylor,R.W.); 11km W Balladonia motel (Brown,W.L., MCZC); 12mi. NW Mt. Ragged (Greaves,T.); 13mi. ESE Ravensthorpe (Greaves,T.); 16mi. N Mt. Ragged (Taylor,R.W.); 16mi. W Coonana (Taylor,R.W.); 20km S Norseman (Lowery,B.B.); 21mi. NWbyW Balladonia Motel (Key,K.H.L. & Upton,M.S.); 22km N Norseman (Browning,G.P.); 23km ESE of Cocklebiddy (Taylor,R.W.); 23mi. W Eucla (Greaves,T.); 23mi. W Fraser Rge. HS (Taylor,R.W.); 25mi. S Coolgardie (Riek,E.F.); 26 m. E of Madura Stn. (Greaves,T. & Calaby,J.H.); 30mi. E Balladonia Stn (Greaves,T.); 38mi. N Balladonia HS (Taylor,R.W.); 46mi. SSW Coolgardie (Taylor,R.W.); 4mi. S Ravensthorpe (Lowery,B.B.); 50mi. S Coolgardie (Riek,E.F.); 6km S Norseman (Feehan,J.E.); 6mi. W Coonana (Taylor,R.W.); 71km E Balladonia (Browning,G.P. & Mutze,G.J.); 8km E Caiguna (Heterick,B.E.) (JDMC); 90mi. E Balladonia (Greaves,T.); Ethel Creek (Varris,P.A.) (JDMC); Goora Hill [Gora Hill] (Greaves,T.); Junana Rock, on Balladonia Rd. (Taylor,R.W.); Mt. Ragged (Lowery,B.B.); Norseman (Lowery,B.B., ANIC; Wilson,E.O., MCZC); Salmon Gums (Lowery,B.B.); Salmon Gums, 70mi. N Esperance (Lowery,B.B.).
Comments. Aphaenogaster mediterraeHNS is found in mallee and open woodlands from the Adelaide region west across the Nullabor Plain to south-central Western Australia (Fig. 28). Nests are generally in sand with cone or funnel-shaped entrances. This species was previously confused with A. barbigulaHNS.
Found most commonly in these habitats: 3 times found in Mallee, 2 times found in Limestone mallee, 2 times found in Mallee scrub, 1 times found in Sclerophyll woodland, 1 times found in Tree heath, 1 times found in arid woodland, 1 times found in mallee woodland, 1 times found in Mallee, spinifex, 1 times found in Mallee, spinifex, yellow sand, 1 times found in sand dunes, ...
Found most commonly in these microhabitats: 2 times Typical nest in sand, 2 times nocturnal foragers, 1 times Ground strays, evening, 1 times Funnel nest, 1 times Deep funnel nests, common, 1 times crater, large entrance hole, nocturnal, 1 times Cone nests in sand, foragers, 1 times Cone nest in sand, 1 times Common in red sand, 1 times soil, 1 times nocturnal trunk, ground strays, ...
Collected most commonly using these methods: 1 times By hand.