Leioproctus (Protomorpha)

Batley, Michael & Popic, Tony, 2013, Five New Species of Leioproctus (Protomorpha) Rayment (Hymenoptera: Colletidae), Records of the Australian Museum (Rec. Aust. Mus.) 65 (2), pp. 39-50 : 40-41

Key to species of Leioproctus (Protomorpha) (modified from Maynard, 1991)

1 Male (hind tibia without scopa) ................................................................................................. 2

—— Female (hind tibia with scopa) ................................................................................................ 10

2(1) Hind coxa covered with long, dense hair .................................................................................. 3

—— Hind coxa lacking long, dense hair ........................................................................................... 4

3(2) Anterior margin of hind basitarsus strongly curved; frons obscured by dense, white hair ................................................................... L. tarsalis (Rayment)

—— Anterior margin of hind basitarsus almost straight; frons not obscured by hair ........................................................................................... L. plautus Maynard

4(2) Hind tibia with row of stout setae on anterior margin ............................................................... 5

—— Hind tibia unmodified .............................................................................. L. minutus (Cockerell)

5(4) Hind basitarsus with narrow basal projection .......................................... L. alloeopus Maynard

—— Hind basitarsus without basal projection ................................................................................... 6

6(5) Anterior margin of hind basitarsus with large apical projection ......................... L. crispus n.sp.

—— Hind basitarsus with at most a slight apical extension .............................................................. 7

7(6) Hind tibial spurs flattened and strongly recurved ...................................................................... 8

—— Hind tibial spurs not flattened, almost straight .......................................................................... 9

8(7) Hind femur with broad projection on outer face; outer hind tibial spur ca 0.3× as long as inner spur; lower gena concave ...................................................................................................................... L. nix n.sp.

—— Hind femur without projection; outer hind tibial spur ca 0.7× as long as inner spur; lower gena convex .............................................................. L. latifrons n.sp.

9(7) Hind tibial setae weak; mandible with preapical tooth ...................................... L. gurneyi n.sp.

—— Hind tibial setae stout; mandible simple .............................................................. L. gibber n.sp.

10(1) Inner hind tibial spur strongly curved ..................................................................................... 11

—— Inner hind tibial spur almost straight ....................................................................................... 12 11(10) Apical margins of T1–4 transparent ......................................................... L. alloeopus Maynard

—— Apical margins of T1–4 opaque .................................................................... Leioproctus sp. A*

12(10) Frons entirely covered by dense, white, branched hair ........................................................... 13

—— Frons medially without dense, branched hair .......................................................................... 14

13(12) Facial fovea obscured by hair, inner margins ill-defined .......................... L. tarsalis (Rayment)

—— Facial fovea not obscured by hair, inner margins sharply defined ........................................................................................................... Leioproctus sp. B*

14(12) Frons and clypeus with long, weakly-branched, curly hair ( Fig. 5) ...................... L. crispus n.sp.

—— Frons and clypeus without curly hair ...................................................................................... 15

15(14) Frons and/or vertex with stiff, pale orange setae ..................................................................... 16

—— Frons and vertex without stiff, pale orange setae .................................................................... 18

16(15) Vertex strongly protuberant medially ................................................................... L. gibber n.sp.

—— Vertex not protuberant medially .............................................................................................. 17

17(16) Vertex with single row of stiff setae; clypeus convex ........................................ L. gurneyi n.sp.

—— Frons laterally and vertex with many stiff setae; clypeus flat ...................................................................................................................... L. latifrons n.sp.

18(15) Facial fovea medially narrower than base of scape ................................................................. 19

—— Facial fovea medially as wide as, or wider than, base of scape .............................................. 20

19(18) Hair of medial clypeus branched ............................................................. L. minutus (Cockerell)

—— Hair of medial clypeus simple ....................................................................... Leioproctus sp. C*

20(18) Pygidial plate not striate; body length ca 9 mm .......................................... L. fallax (Cockerell)

—— Pygidial plate striate ................................................................................................................ 21

21(20) Paraocular area with dense, white plumose hair; body length ca 7 mm ................................................................................................. L. nix n.sp.