Leioproctus ( Alokocolletes ) excubitor Houston, 1991

Leioproctus ( Alokocolletes) excubitor Houston, 1991 View in CoL

Leioproctus ( Leioproctus) excubitor * Houston 1991: 84 View in CoL .

Types

Leioproctus ( Leioproctus) excubitor — Western Australia: holotype ♂, East Yuna Reserve , 34 k WNW of Mullewa, 24– 26.viii.1985, T.F. Houston ( WAM 89 About WAM /520) ; paratypes, 1♂, 11 k ENE Anketell HS (28˚02'S 188˚51'E), 4–6.ix.1981, T.F. Houston, on trunks of dead mulga ( QM) ; 1♀, East Yuna nature Reserve, 34 k WNW Mullewa , 24–26.viii.1985, T.F. Houston off Conosperma scoparium blossom ( QM) .

Additional material examined: 1♀ South Australia: 50 k W Emu .

Months collected: August, September, October.

Floral visitations: Amaranthaceae : Ptilotus ; Asphodelaceae : Asphodelus fistulosus ; Asteraceae : Rhodanthe charsleyae , Schoenia cassiniana ; Fabaceae : Acacia , Senna ; Proteaceae : Conospermum scoparium , Grevillea didymobotrya ; Solanaceae : Solanum costiliferum ; Myrtaceae : Eucalyptus oldfieldii , Melaleuca nematophylla .

Female — Length ca 11 mm. Head— Hair of vertex and upper frons black, long, sparse, open branched; lower frons and paraocular area with moderately dense, white long, branched hair; clypeus with white, sparse, fine, weakly branched hair; F1 length more than 3 x maximum width; lower clypeal margin evenly convex; labrum with basal area shallowly depressed medially, strong ridge dividing from apical area, apical area strongly depressed with a row of strong apical setae, mandibles slender with pollex weakly defined apically; gena wider than eye when head viewed laterally. Mesosoma — Hair long, white, sparse, fine branched, propodeal triangle coriaceous; inner hind tibial spur with 6 long, coarse, well spaced teeth. Metasoma— Metasoma covered in long, dense, white and black hair; T3–4 with furrows that extend from base to apical margin. Male — Length ca 12 mm. Head— F1 more than 4 x maximum width; hair of vertex and frons black, sparse, finely branched; paraocular and clypeus with dense, appressed, long, white hair; ventral clypeal margin strongly concave; labrum length, half width, basal area polished not defined by carina or ridge, ventral margin concave, margin fringed with long, thick setae. Mesosoma — Fore femur and tibia tumid; fore basitarsus flattened and broadened, anterior with a dense fringe of long, thick hair; malus of fore tibial spur not extended beyond apex of velum; mid legs modified in a similar fashion to fore legs, but to a lesser extent with anterior fringe; hind legs slightly swollen. Metasoma— very broad and flat medially; narrow basally and apically. For S7–8 and genitalia see figs 100–102.